Blind Spot Module (bsm) - Electrical Diagnostics Jeep Grand Cherokee WK2

DIAGNOSTIC CODE INDEX

DIAGNOSTIC CODE INDEX

Scheme 1

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

WHEN MONITORED

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

SET CONDITION

The Blind Spot Module detects the Blind Spot Sensor circuit voltage below threshold.

POSSIBLE CAUSES

Scheme 2

1. CHECK FOR ACTIVE DTC NOTE: Diagnose and repair any vehicle charging system failures before proceeding with this diagnostic procedure. Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
2. (F921) FUSED RUN RELAY OUTPUT CIRCUIT Turn the ignition off. Disconnect the Left Rear Blind Spot Sensor harness connector. Turn the ignition on. Using a volt meter, measure the voltage of the (F921) Fused Run Relay Output circuit. Is the voltage above 10.0 volts? Yes Replace the Left Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Repair the (F921) Fused Run Relay Output circuit for an open or high resistance. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B128C-17-DRIVER BLIND SPOT SENSOR-CIRCUIT VOLTAGE ABOVE THRESHOLD

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The Blind Spot Module detects the Blind Spot Sensor circuit voltage above threshold.

DIAGNOSTIC TEST

1. CHECK FOR ACTIVE DTC NOTE: Diagnose and repair any vehicle charging system failures before proceeding with this diagnostic procedure. Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
2. (F921) FUSED RUN RELAY OUTPUT CIRCUIT Turn the ignition off. Disconnect the Left Rear Blind Spot Sensor harness connector. Turn the ignition on. Using a volt meter, measure the voltage of the (F921) Fused Run Relay Output circuit. Is the voltage below 16.0 volts? Yes Replace the Left Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Diagnose the vehicle for high system voltage. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B128C-2A-DRIVER BLIND SPOT SENSOR-SIGNAL STUCK IN RANGE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The Blind Spot Module detects an internal failure with the Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC NOTE: Before proceeding, check the vehicle for physical blockage on vehicle over Blind Spot Sensors. Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Replace the Left Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B128C-48-DRIVER BLIND SPOT SENSOR-SUPERVISION SOFTWARE FAILURE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The Blind Spot Module detects an internal failure with the Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Replace the Left Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B128C-4A-DRIVER BLIND SPOT SENSOR-INCORRECT COMPONENT INSTALLED

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The sensor installed is reporting an incompatible version which causes the Blind Spot Module (BSM) to continuously poll the sensors for the correct version.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Install a new Left Rear Blind Spot Sensor with proper software version to match the BSM. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B128C-56-DRIVER BLIND SPOT SENSOR-INVALID/INCOMPATIBLE CONFIGURATION

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The Blind Spot Module (BSM) detects an internal failure with the Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Replace the Left Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B128C-57-DRIVER BLIND SPOT SENSOR-INVALID/INCOMPATIBLE SOFTWARE COMPONENT

For a complete wiring diagram refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The sensor installed is reporting an incompatible version which causes the Blind Spot Module (BSM) to continuously poll the sensors for the correct version.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Install a new Left Rear Blind Spot Sensor with proper software version to match the BSM. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B128C-64-DRIVER BLIND SPOT SENSOR-SIGNAL PLAUSIBILITY FAILURE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The Blind Spot Module (BSM) detects an internal failure with the Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Replace the Left Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B128C-92-DRIVER BLIND SPOT SENSOR-PERFORMANCE OR INCORRECT OPERATION

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The Blind Spot Module (BSM) detects an internal failure with the Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Replace the Left Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B128C-96-DRIVER BLIND SPOT SENSOR-COMPONENT INTERNAL FAILURE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The Blind Spot Module detects an internal failure with the Blind Spot Sensor

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Replace the Left Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B128C-98-DRIVER BLIND SPOT SENSOR-COMPONENT OR SYSTEM OVER TEMPERATURE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The Blind Spot Module (BSM) detects an internal failure with the Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Replace the Left Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

Scheme 3

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The Blind Spot Module (BSM) detects the Blind Spot Sensor circuit voltage below threshold.

Scheme 4

1. CHECK FOR ACTIVE DTC NOTE: Diagnose and repair any vehicle charging system failures before proceeding with this diagnostic procedure. Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
2. (F921) FUSED RUN RELAY OUTPUT CIRCUIT Turn the ignition off. Disconnect the Right Rear Blind Spot Sensor harness connector. Turn the ignition on. Using a volt meter, measure the voltage of the (F921) Fused Run Relay Output circuit. Is the voltage above 10.0 volts? Yes Replace the Right Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Repair the (F921) Fused Run Relay Output circuit for an open or high resistance. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B128D-17-PASSENGER BLINDSPOT SENSOR-CIRCUIT VOLTAGE ABOVE THRESHOLD

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The Blind Spot Module (BSM) detects the Blind Spot Sensor circuit above below threshold.

1. CHECK FOR ACTIVE DTC NOTE: Diagnose and repair any vehicle charging system failures before proceeding with this diagnostic procedure. Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
2. (F921) FUSED RUN RELAY OUTPUT CIRCUIT Turn the ignition off. Disconnect the Right Rear Blind Spot Sensor harness connector. Turn the ignition on. Using a volt meter, measure the voltage of the (F921) Fused Run Relay Output circuit. Is the voltage below 16.0 volts? Yes Replace the Right Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Diagnose the vehicle for high system voltage. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B128D-2A-PASSENGER BLIND SPOT SENSOR-SIGNAL STUCK IN RANGE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The Blind Spot Module (BSM) detects an internal failure with the Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC NOTE: Before proceeding, check the vehicle for physical blockage on vehicle over Blind Spot Sensors. Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Replace the Right Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B128D-48-PASSENGER BLIND SPOT SENSOR-SUPERVISION SOFTWARE FAILURE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The Blind Spot Module (BSM) detects an internal failure with the Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Replace the Right Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B128D-4A-PASSENGER BLIND SPOT SENSOR-INCORRECT COMPONENT INSTALLED

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The sensor installed is reporting an incompatible version which causes the Blind Spot Module (BSM) to continuously poll the sensors for the correct version.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Install a new Right Rear Blind Spot Sensor with proper software version to match the BSM. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B128D-56-PASSENGER BLIND SPOT SENSOR-INVALID/INCOMPATIBLE CONFIGURATION

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The Blind Spot Module (BSM) detects an internal failure with the Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Replace the Right Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B128D-57-PASSENGER BLIND SPOT SENSOR-INVALID/INCOMPATIBLE SOFTWARE COMPONENT

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The sensor installed is reporting an incompatible version which causes the Blind Spot Module (BSM) to continuously poll the sensors for the correct version.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Install a new Right Rear Blind Spot Sensor with proper software version to match the BSM. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B128D-64-PASSENGER BLIND SPOT SENSOR-SIGNAL PLAUSIBILITY FAILURE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The Blind Spot Module (BSM) detects an internal failure with the Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Replace the Right Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B128D-92-PASSENGER BLIND SPOT SENSOR-PERFORMANCE OR INCORRECT OPERATION

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The Blind Spot Module (BSM) detects an internal failure with the Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Replace the Right Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B128D-96-PASSENGER BLIND SPOT SENSOR-COMPONENT INTERNAL FAILURE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The Blind Spot Module detects an internal failure with the Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Replace the Right Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B128D-98-PASSENGER BLIND SPOT SENSOR-COMPONENT OR SYSTEM OVER TEMPERATURE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The Blind Spot Module detects an internal failure with the Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Replace the Right Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B129A-00-DRIVER BLIND SPOT SENSOR-INCOMPATIBLE VERSION

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

This fault will present itself during a reflashing session. When the flashing tool attempts to enter the programming session, the Blind Spot Module (BSM) will query the sensors for their bootloader version. If the returned version is not compatible with the BSM bootloader, the BSM will not allow the system to flash. This DTC will be set.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Replace the Left Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B129B-00-PASSENGER BLIND SPOT SENSOR-INCOMPATIBLE VERSION

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

This fault will present itself during a reflashing session. When the flashing tool attempts to enter the programming session, the Blind Spot Module (BSM) will query the sensors for their bootloader version. If the returned version is not compatible with the BSM bootloader, the BSM will not allow the system to flash. This DTC will be set.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Replace the Right Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B210C-00-BATTERY VOLTAGE INPUT

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The Blind Spot Module detects an internal failure.

1. CHECK FOR ACTIVE DIAGNOSTIC TROUBLE CODE (DTC) NOTE: Diagnose and repair any vehicle charging system problems before proceeding with this procedure. Turn the ignition on. Using the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Replace the Blind Spot Module (BSM) in accordance with the Service Information. Refer to «MODULE, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information__removal) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B2199-16-BATTERY VOLTAGE-CIRCUIT VOLTAGE BELOW THRESHOLD

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

Blind Spot Sensor supply voltage less than 6.5 volts.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Is this DTC active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
2. VERIFY OPERATION OF THE VEHICLE CHARGING SYSTEM NOTE: Troubleshoot any PCM charging/cranking DTCs before proceeding. NOTE: Make sure the battery is fully charged. Are any charging system DTCs present? Yes Refer to «DIAGNOSTIC CODE INDEX - 3.0L DIESEL»(/jeep/grand-cherokee/wk2-2010-2013/remont/testing-diagnostics/#30l-diesel-diagnostic-code-index) or «DIAGNOSTIC CODE INDEX - NGC»(/jeep/grand-cherokee/wk2-2010-2013/remont/testing-diagnostics/#36l-57l-diagnostic-code-index) and perform the appropriate diagnostic procedure . No Replace the BSM in accordance with the Service Information. Refer to «MODULE, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information__removal) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B2199-17-BATTERY VOLTAGE-CIRCUIT VOLTAGE ABOVE THRESHOLD

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

Blind Spot Sensor supply voltage greater than 16.0 volts.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Is this DTC active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
2. VERIFY OPERATION OF THE VEHICLE CHARGING SYSTEM NOTE: Troubleshoot any PCM charging/cranking DTCs before proceeding. NOTE: Make sure the battery is fully charged. Are any charging system DTCs present? Yes Refer to «DIAGNOSTIC CODE INDEX - 3.0L DIESEL»(/jeep/grand-cherokee/wk2-2010-2013/remont/testing-diagnostics/#30l-diesel-diagnostic-code-index) or «DIAGNOSTIC CODE INDEX - NGC»(/jeep/grand-cherokee/wk2-2010-2013/remont/testing-diagnostics/#36l-57l-diagnostic-code-index) and perform the appropriate diagnostic procedure . No Replace the BSM in accordance with the Service Information. Refer to «MODULE, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information__removal) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B21DD-84-SYSTEM VOLTAGE-SIGNAL BELOW ALLOWABLE RANGE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

Blind Spot Sensor supply voltage less than 6.5 volts.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Is this DTC active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
2. VERIFY OPERATION OF THE VEHICLE CHARGING SYSTEM NOTE: Troubleshoot any PCM charging/cranking DTCs before proceeding. NOTE: Make sure the battery is fully charged. Are any charging system DTCs present? Yes Refer to «DIAGNOSTIC CODE INDEX - 3.0L DIESEL»(/jeep/grand-cherokee/wk2-2010-2013/remont/testing-diagnostics/#30l-diesel-diagnostic-code-index) or «DIAGNOSTIC CODE INDEX - NGC»(/jeep/grand-cherokee/wk2-2010-2013/remont/testing-diagnostics/#36l-57l-diagnostic-code-index) and perform the appropriate diagnostic procedure . No Replace the BSM in accordance with the Service Information. Refer to «MODULE, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information__removal) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B21DD-85-SYSTEM VOLTAGE-SIGNAL ABOVE ALLOWABLE RANGE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

Blind Spot Sensor supply voltage greater than 16.0 volts.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Is this DTC active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
2. VERIFY OPERATION OF THE VEHICLE CHARGING SYSTEM NOTE: Troubleshoot any PCM charging/cranking DTCs before proceeding. NOTE: Make sure the battery is fully charged. Are any charging system DTCs present? Yes Refer to «DIAGNOSTIC CODE INDEX - 3.0L DIESEL»(/jeep/grand-cherokee/wk2-2010-2013/remont/testing-diagnostics/#30l-diesel-diagnostic-code-index) or «DIAGNOSTIC CODE INDEX - NGC»(/jeep/grand-cherokee/wk2-2010-2013/remont/testing-diagnostics/#36l-57l-diagnostic-code-index) and perform the appropriate diagnostic procedure . No Replace the BSM in accordance with the Service Information. Refer to «MODULE, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information__removal) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B223B-00-VEHICLE CONFIGURATION MISMATCH

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

This DTC will set if the vehicle type is not identified or incorrectly identified.

1. BLIND SPOT MODULE (BSM) NOTE: Diagnose and repair any Powertrain Control Module VIN or Communication DTCs before continuing with this test. Turn the ignition on. With the scan tool, select View DTCs. Is this DTC active at this time? Yes Use the scan tool and check vehicle configuration in Totally Integrated Power Module (TIPM). Diagnose any active TIPM DTCs. Refer to «DIAGNOSIS AND TESTING»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-dtcs-b10b4-to-b25ae) . No Use the scan tool to read DTCs in all other modules. If any communication DTCs are present, perform the appropriate diagnostic procedure. Perform any Technical Service Bulletins that apply. If no problems are found, test is complete.

B2598-00-DOOR MODULE FRONT LEFT

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The door module is reporting a DTC.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Refer to «DIAGNOSIS AND TESTING»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#driver-door-module-ddm-dmfl-electrical-diagnostics) and perform the appropriate diagnostic procedure. No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

B2599-00-DOOR MODULE FRONT RIGHT

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

The door module is reporting a DTC.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Refer to «DIAGNOSIS AND TESTING»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#passenger-door-module-pdm-dmfr-electrical-diagnostics) and perform the appropriate diagnostic procedure. No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

U0010-00-CAN INTERIOR BUS

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fuse installed.

The controller detects a short to ground on the CAN Interior Bus (125K) (+) circuit or a short to voltage on the CAN Interior Bus (125K) (-) circuit.

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE NOTE: Make sure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. Using the scan tool, read active DTCs. Is this DTC active? Yes Refer to «DIAGNOSIS AND TESTING»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-dtcs-b10b4-to-b25ae) and perform the U0010-CAN Interior Bus diagnostic procedure. No Refer to «DIAGNOSIS AND TESTING»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#communication-non-dtc-based-diagnostics) and perform the Stored Lost Communication DTCs diagnostic procedure.

U0141-00-LOST COMMUNICATION WITH IPM (FCM/TIPM)

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fuse installed.

Totally Integrated Power Module (TIPM) is configured correctly.

Bus messages not received from the Integrated Power Module (TIPM) for approximately two to five seconds.

1. VERIFY THE DTC IS ACTIVE NOTE: Make sure the IOD fuse is installed and the battery is fully charged before proceeding. Turn the ignition on. With the scan tool, read active DTCs. Is the DTC active at this time? Yes Perform the U0141-Lost Communication with IPM (FCM/TIPM) diagnostic procedure. Refer to «DIAGNOSIS AND TESTING»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-dtcs-b10b4-to-b25ae) . . No Perform the Stored Lost Communication DTCs diagnostic procedure. Refer to «DIAGNOSIS AND TESTING»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#communication-non-dtc-based-diagnostics) . .

U0155-00-LOST COMMUNICATION WITH CLUSTER/CCN

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fuse installed.

Totally Integrated Power Module (TIPM) is configured correctly.

Bus messages not received from the Instrument Cluster (CCN) for approximately two to five seconds.

1. VERIFY DTC IS ACTIVE NOTE: Make sure the IOD fuse is installed and the battery is fully charged before proceeding. Turn the ignition on. With the scan tool, read active DTCs. Is this DTC active? Yes Refer to «DIAGNOSIS AND TESTING»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-dtcs-b10b4-to-b25ae) and perform the U0155-Lost Communication with Cluster/CCN diagnostic procedure. No Refer to «DIAGNOSIS AND TESTING»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#communication-non-dtc-based-diagnostics) and perform the Stored Lost Communication DTCs diagnostic procedure.

U0184-00-LOST COMMUNICATION WITH RADIO

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fuse installed.

Totally Integrated Power Module (TIPM) is configured correctly.

Bus messages not received from the Radio for approximately two to five seconds.

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE NOTE: Make sure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active BSM DTCs. Is this DTC active? Yes Refer to «DIAGNOSIS AND TESTING»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-dtcs-b10b4-to-b25ae) and perform the U0184-Lost Communication with Radio diagnostic procedure. No Refer to «DIAGNOSIS AND TESTING»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#communication-non-dtc-based-diagnostics) and perform the Stored Lost Communication DTCs diagnostic procedure.

U0203-00-LOST COMMUNICATION WITH LEFT FRONT DOOR MODULE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fused installed.

Totally Integrated Power Module (TIPM) is configured correctly.

Bus messages not received from the DDM for approximately two to five seconds.

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE NOTE: Make sure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active BSM DTCs. Is this DTC active? Yes Refer to «DIAGNOSIS AND TESTING»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-dtcs-b10b4-to-b25ae) and perform the U0203-Lost Communication with Left Front Door Module diagnostic procedure. No Refer to «DIAGNOSIS AND TESTING»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#communication-non-dtc-based-diagnostics) and perform the Stored Lost Communication DTCs diagnostic procedure.

U0204-00-LOST COMMUNICATION WITH RIGHT FRONT DOOR MODULE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fused installed.

Totally Integrated Power Module (TIPM) is configured correctly.

Bus messages not received from the PDM for approximately two to five seconds.

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE NOTE: Make sure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active BSM DTCs. Is this DTC active? Yes Refer to «DIAGNOSIS AND TESTING»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-dtcs-b10b4-to-b25ae) and perform the U0204-Lost Communication with Right Front Door Module diagnostic procedure. No Refer to «DIAGNOSIS AND TESTING»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#communication-non-dtc-based-diagnostics) and perform the Stored Lost Communication DTCs diagnostic procedure.

U0423-00-IMPLAUSIBLE DATA RECEIVED FROM CLUSTER/CCN

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

Implausible data received from the Cluster.

1. CHECK FOR ACTIVE DTC NOTE: Diagnose any Cluster DTCs before proceeding with the test. Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Replace the Cluster in accordance with the Service Information. Refer to «REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/gauges-instrument-panels/#instrument-cluster-service-information__removal) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

U0431-00-IMPLAUSIBLE DATA RECEIVED FROM IPM (FCM/TIPM)

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

Implausible data received from the Totally Integrated Power Module (TIPM).

1. CHECK FOR ACTIVE DTC NOTE: Diagnose any TIPM DTCs before proceeding with the test. Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Replace the Totally Integrated Power Module (TIPM) in accordance with the Service Information. Refer to «MODULE, TOTALLY INTEGRATED POWER (TIPM) , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#electronic-control-modules-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

Scheme 5

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

THEORY OF OPERATION

The Blind Spot Sensors communicate with the Blind Spot Module via an Independent CAN network: (D764) Blind Spot Sensor Data Link Low Circuit and the (D765) Blind Spot Sensor Data Link High Circuit.

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

Blind Spot Module unable to send a CAN message on the Blind Spot Sensor Data Link.

Scheme 6

Scheme 7

Scheme 8

1. CHECK FOR ACTIVE DTC Turn the ignition on. Using the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
2. (D764/D765) BLIND SPOT SENSOR DATA LINK LOW AND HIGH CIRCUITS SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Blind Spot Module (BSM) harness connector. Disconnect the Left and Right Blind Spot Sensors. Turn the ignition on. Using a volt meter, measure the voltage of the D764 and D765 circuits at the BSM harness connector. Is voltage present on either circuit? Yes Repair the appropriate circuit for a short to voltage. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Go To 3 .
3. (D764/D765) BLIND SPOT SENSOR DATA LINK LOW AND CIRCUITS SHORTED TO GROUND Turn the ignition off. Using an Ohm meter, measure the resistance between ground and the D764 and D765 circuits at the BSM harness connector. Is the resistance below 10K Ohms? Yes Repair the appropriate circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Go To 4 .
4. (D764/D765) BLIND SPOT SENSOR DATA LINK LOW AND HIGH CIRCUITS SHORTED TOGETHER Using an Ohm meter, measure the resistance between the D764 and D765 circuits at the BSM harness connector. Is the resistance below 10K Ohms? Yes Repair the D764 and D765 circuits for a short together. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Replace the BSM in accordance with the Service Information. Refer to «MODULE, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information__removal) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

U1193-00-LOST COMMUNICATION WITH DRIVER SIDE BLIND SPOT SENSOR

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

Blind Spot Module (BSM) does not receive messages from the Left Rear Blind Spot Sensor.

Scheme 9

Scheme 10

Scheme 11

Scheme 12

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
2. CHECK THE VOLTAGE OF THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS Turn the ignition off. Disconnect the Left Rear Blind Spot Sensor harness connector. Turn the ignition on. Using a volt meter, measure the voltage across the (D764) and (D765) circuits at the Left Rear Blind Spot Sensor harness connector. Is Bus voltage present? Yes Go To 3 . No Go To 5 .
3. (F921) FUSED RUN RELAY OUTPUT CIRCUIT OPEN Using a volt meter, measure the voltage of the (F921) Fused Run Relay Output circuit. Is voltage present? Yes Go To 4 . No Repair the (F921) Fused Run Relay Output circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
4. (Z921) GROUND CIRCUIT OPEN Turn the ignition off. Using an Ohm meter, measure the resistance between ground and the (Z921) Ground circuit at the Left Rear Blind Spot Sensor harness connector. Is the resistance below 100 Ohms? Yes Replace the Left Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Repair the (Z921) Ground circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
5. CHECK THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS FOR AN OPEN Turn the ignition off. Disconnect the BSM harness connector. Using an Ohm meter, measure the resistance of the (D764) and (D765) circuits. Is the resistance above 5.0 Ohms? Yes Repair the appropriate circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Replace the Blind Spot Module in accordance with the Service Information. Refer to «MODULE, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information__removal) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

U1193-01-LOST COMMUNICATION WITH DRIVER SIDE BLIND SPOT SENSOR-GENERAL ELECTRICAL FAILURE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

Blind Spot Module (BSM) does not receive messages from the Left Rear Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
2. CHECK THE VOLTAGE OF THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS Turn the ignition off. Disconnect the Left Rear Blind Spot Sensor harness connector. Turn the ignition on. Using a volt meter, measure the voltage across the (D764) and (D765) circuits at the Left Rear Blind Spot Sensor harness connector. Is Bus voltage present? Yes Go To 3 . No Go To 5 .
3. (F921) FUSED RUN RELAY OUTPUT CIRCUIT OPEN Using a volt meter, measure the voltage of the (F921) Fused Run Relay Output circuit. Is voltage present? Yes Go To 4 . No Repair the (F921) Fused Run Relay Output circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
4. (Z921) GROUND CIRCUIT OPEN Turn the ignition off. Using an Ohm meter, measure the resistance between ground and the (Z921) Ground circuit at the Left Rear Blind Spot Sensor harness connector. Is the resistance below 100 Ohms? Yes Replace the Left Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Repair the (Z921) Ground circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
5. CHECK THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS FOR AN OPEN Turn the ignition off. Disconnect the BSM harness connector. Using an Ohm meter, measure the resistance of the (D764) and (D765) circuits. Is the resistance above 5.0 Ohms? Yes Repair the appropriate circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Replace the Blind Spot Module in accordance with the Service Information. Refer to «MODULE, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information__removal) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

U1193-87-LOST COMMUNICATION WITH DRIVER SIDE BLIND SPOT SENSOR-MISSING MESSAGE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

Blind Spot Module (BSM) does not receive messages from the Left Rear Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
2. CHECK THE VOLTAGE OF THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS Turn the ignition off. Disconnect the Left Rear Blind Spot Sensor harness connector. Turn the ignition on. Using a volt meter, measure the voltage across the (D764) and (D765) circuits at the Left Rear Blind Spot Sensor harness connector. Is Bus voltage present? Yes Go To 3 . No Go To 5 .
3. (F921) FUSED RUN RELAY OUTPUT CIRCUIT OPEN Using a volt meter, measure the voltage of the (F921) Fused Run Relay Output circuit. Is voltage present? Yes Go To 4 . No Repair the (F921) Fused Run Relay Output circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
4. (Z921) GROUND CIRCUIT OPEN Turn the ignition off. Using an ohm meter, measure the resistance between ground and the (Z921) Ground circuit at the Left Rear Blind Spot Sensor harness connector. Is the resistance below 100 Ohms? Yes Replace the Left Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Repair the (Z921) Ground circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
5. CHECK THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS FOR AN OPEN Turn the ignition off. Disconnect the BSM harness connector. Using an ohm meter, measure the resistance of the (D764) and (D765) circuits. Is the resistance above 5.0 Ohms? Yes Repair the appropriate circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Replace the Blind Spot Module in accordance with the Service Information. Refer to «MODULE, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information__removal) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

U1194-00-LOST COMMUNICATION WITH PASSENGER SIDE BLIND SPOT SENSOR

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

Blind Spot Module (BSM) does not receive messages from the Right Rear Blind Spot Sensor.

Scheme 13

Scheme 14

Scheme 15

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
2. CHECK THE VOLTAGE OF THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS Turn the ignition off. Disconnect the Right Rear Blind Spot Sensor harness connector. Turn the ignition on. Using a volt meter, measure the voltage across the (D764) and (D765) circuits at the Right Rear Blind Spot Sensor harness connector. Is Bus voltage present? Yes Go To 3 . No Go To 5 .
3. (F921) FUSED RUN RELAY OUTPUT CIRCUIT OPEN Using a volt meter, measure the voltage of the (F921) Fused Run Relay Output circuit. Is voltage present? Yes Go To 4 . No Repair the (F921) Fused Run Relay Output circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
4. (Z923) GROUND CIRCUIT OPEN Turn the ignition off. Using an ohm meter, measure the resistance between ground and the (Z923) Ground circuits at the Right Rear Blind Spot Sensor harness connector. Is the resistance below 100 Ohms? Yes Replace the Right Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Repair the (Z923) Ground circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
5. CHECK THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS FOR AN OPEN Turn the ignition off. Disconnect the BSM harness connector. Using an ohm meter, measure the resistance of the (D764) and (D765) circuits. Is the resistance above 5.0 Ohms? Yes Repair the appropriate circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Replace the Blind Spot Module in accordance with the Service Information. Refer to «MODULE, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information__removal) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

U1194-01-LOST COMMUNICATION WITH PASSENGER SIDE BLIND SPOT SENSOR-GENERAL ELECTRICAL FAILURE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

Blind Spot Module (BSM) does not receive messages from the Right Rear Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
2. CHECK THE VOLTAGE OF THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS Turn the ignition off. Disconnect the Right Rear Blind Spot Sensor harness connector. Turn the ignition on. Using a volt meter, measure the voltage across the (D764) and (D765) circuits at the Right Rear Blind Spot Sensor harness connector. Is Bus voltage present? Yes Go To 3 . No Go To 5 .
3. (F921) FUSED RUN RELAY OUTPUT CIRCUIT OPEN Using a volt meter, measure the voltage of the (F921) Fused Run Relay Output circuit. Is voltage present? Yes Go To 4 . No Repair the (F921) Fused Run Relay Output circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
4. (Z923) GROUND CIRCUIT OPEN Turn the ignition off. Using an ohm meter, measure the resistance between ground and the (Z923) Ground circuits at the Right Rear Blind Spot Sensor harness connector. Is the resistance below 100 Ohms? Yes Replace the Right Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Repair the (Z923) Ground circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
5. CHECK THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS FOR AN OPEN Turn the ignition off. Disconnect the BSM harness connector. Using an ohm meter, measure the resistance of the (D764) and (D765) circuits. Is the resistance above 5.0 Ohms? Yes Repair the appropriate circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Replace the Blind Spot Module in accordance with the Service Information. Refer to «MODULE, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information__removal) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

U1194-87-LOST COMMUNICATION WITH PASSENGER SIDE BLIND SPOT SENSOR- MISSING MESSAGE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

Blind Spot Module (BSM) does not receive messages from the Right Rear Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
2. CHECK THE VOLTAGE OF THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS Turn the ignition off. Disconnect the Right Rear Blind Spot Sensor harness connector. Turn the ignition on. Using a volt meter, measure the voltage across the (D764) and (D765) circuits at the Right Rear Blind Spot Sensor harness connector. Is Bus voltage present? Yes Go To 3 . No Go To 5 .
3. (F921) FUSED RUN RELAY OUTPUT CIRCUIT OPEN Using a volt meter, measure the voltage of the (F921) Fused Run Relay Output circuit. Is voltage present? Yes Go To 4 . No Repair the (F921) Fused Run Relay Output circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
4. (Z923) GROUND CIRCUIT OPEN Turn the ignition off. Using an ohm meter, measure the resistance between ground and the (Z923) Ground circuits at the Right Rear Blind Spot Sensor harness connector. Is the resistance below 100 Ohms? Yes Replace the Right Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Repair the (Z923) Ground circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
5. CHECK THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS FOR AN OPEN Turn the ignition off. Disconnect the BSM harness connector. Using an ohm meter, measure the resistance of the (D764) and (D765) circuits. Is the resistance above 5.0 Ohms? Yes Repair the appropriate circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Replace the Blind Spot Module in accordance with the Service Information. Refer to «MODULE, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information__removal) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

U1434-82-IMPLAUSIBLE DATA RECEIVED FROM DRIVER BLIND SPOT SENSOR-ALIVE / SEQUENCE COUNTER INCORRECT / NOT UPDATED

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

Blind Spot Module (BSM) does not receive messages from the Left Rear Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
2. CHECK THE VOLTAGE OF THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS Turn the ignition off. Disconnect the Left Rear Blind Spot Sensor harness connector. Turn the ignition on. Using a volt meter, measure the voltage across the (D764) and (D765) circuits at the Left Rear Blind Spot Sensor harness connector. Is Bus voltage present? Yes Go To 3 . No Go To 5 .
3. (F921) FUSED RUN RELAY OUTPUT CIRCUIT OPEN Using a volt meter, measure the voltage of the (F921) Fused Run Relay Output circuit. Is voltage present? Yes Go To 4 . No Repair the (F921) Fused Run Relay Output circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
4. (Z921) GROUND CIRCUIT OPEN Turn the ignition off. Using an ohm meter, measure the resistance between ground and the (Z921) Ground circuit at the Left Rear Blind Spot Sensor harness connector. Is the resistance below 100 Ohms? Yes Replace the Left Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Repair the (Z921) Ground circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
5. CHECK THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS FOR AN OPEN Turn the ignition off. Disconnect the BSM harness connector. Using an ohm meter, measure the resistance of the (D764) and (D765) circuits. Is the resistance above 5.0 Ohms? Yes Repair the appropriate circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Replace the Blind Spot Module in accordance with the Service Information. Refer to «MODULE, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information__removal) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

U1434-8F-IMPLAUSIBLE DATA RECEIVED FROM DRIVER BLIND SPOT SENSOR-ERRATIC

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

Blind Spot Module (BSM) does not receive messages from the Left Rear Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
2. CHECK THE VOLTAGE OF THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS Turn the ignition off. Disconnect the Left Rear Blind Spot Sensor harness connector. Turn the ignition on. Using a volt meter, measure the voltage across the (D764) and (D765) circuits at the Left Rear Blind Spot Sensor harness connector. Is Bus voltage present? Yes Go To 3 . No Go To 5 .
3. (F921) FUSED RUN RELAY OUTPUT CIRCUIT OPEN Using a volt meter, measure the voltage of the (F921) Fused Run Relay Output circuit. Is voltage present? Yes Go To 4 . No Repair the (F921) Fused Run Relay Output circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
4. (Z921) GROUND CIRCUIT OPEN Turn the ignition off. Using an ohm meter, measure the resistance between ground and the (Z921) Ground circuit at the Left Rear Blind Spot Sensor harness connector. Is the resistance below 100 Ohms? Yes Replace the Left Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Repair the (Z921) Ground circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
5. CHECK THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS FOR AN OPEN Turn the ignition off. Disconnect the BSM harness connector. Using an ohm meter, measure the resistance of the (D764) and (D765) circuits. Is the resistance above 5.0 Ohms? Yes Repair the appropriate circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Replace the Blind Spot Module in accordance with the Service Information. Refer to «MODULE, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information__removal) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

U1435-82-IMPLAUSIBLE DATA RECEIVED FROM PASSENGER BLIND SPOT SENSOR-ALIVE / SEQUENCE COUNTER INCORRECT / NOT UPDATED

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

Blind Spot Module (BSM) does not receive messages from the Right Rear Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
2. CHECK THE VOLTAGE OF THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS Turn the ignition off. Disconnect the Right Rear Blind Spot Sensor harness connector. Turn the ignition on. Using a volt meter, measure the voltage across the (D764) and (D765) circuits at the Right Rear Blind Spot Sensor harness connector. Is Bus voltage present? Yes Go To 3 . No Go To 5 .
3. (F921) FUSED RUN RELAY OUTPUT CIRCUIT OPEN Using a volt meter, measure the voltage of the (F921) Fused Run Relay Output circuit. Is voltage present? Yes Go To 4 . No Repair the (F921) Fused Run Relay Output circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
4. (Z923) GROUND CIRCUIT OPEN Turn the ignition off. Using an ohm meter, measure the resistance between ground and the (Z923) Ground circuit at the Right Rear Blind Spot Sensor harness connector. Is the resistance below 100 Ohms? Yes Replace the Right Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Repair the (Z923) Ground circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
5. CHECK THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS FOR AN OPEN Turn the ignition off. Disconnect the BSM harness connector. Using an ohm meter, measure the resistance of the (D764) and (D765) circuits. Is the resistance above 5.0 Ohms? Yes Repair the appropriate circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Replace the Blind Spot Module in accordance with the Service Information. Refer to «MODULE, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information__removal) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

U1435-8F-IMPLAUSIBLE DATA RECEIVED FROM PASSENGER BLIND SPOT SENSOR-ERRATIC

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

Blind Spot Module (BSM) does not receive messages from the Right Rear Blind Spot Sensor.

1. CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
2. CHECK THE VOLTAGE OF THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS Turn the ignition off. Disconnect the Right Rear Blind Spot Sensor harness connector. Turn the ignition on. Using a volt meter, measure the voltage across the (D764) and (D765) circuits at the Right Rear Blind Spot Sensor harness connector. Is Bus voltage present? Yes Go To 3 . No Go To 5 .
3. (F921) FUSED RUN RELAY OUTPUT CIRCUIT OPEN Using a volt meter, measure the voltage of the (F921) Fused Run Relay Output circuit. Is voltage present? Yes Go To 4 . No Repair the (F921) Fused Run Relay Output circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
4. (Z923) GROUND CIRCUIT OPEN Turn the ignition off. Using an ohm meter, measure the resistance between ground and the (Z923) Ground circuit at the Right Rear Blind Spot Sensor harness connector. Is the resistance below 100 Ohms? Yes Replace the Right Rear Blind Spot Sensor in accordance with the Service Information. Refer to «SENSOR, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Repair the (Z923) Ground circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .
5. CHECK THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS FOR AN OPEN Turn the ignition off. Disconnect the BSM harness connector. Using an ohm meter, measure the resistance of the (D764) and (D765) circuits. Is the resistance above 5.0 Ohms? Yes Repair the appropriate circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) . No Replace the Blind Spot Module in accordance with the Service Information. Refer to «MODULE, BLIND SPOT , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/warning-system/#chimebuzzer-service-information__removal) . Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

U1438-00-ABS MODULE-IMPLAUSIBLE VEHICLE CONFIGURATION RECEIVED

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

Implausible data received from the ABS Module.

1. CHECK FOR ACTIVE DTC NOTE: Diagnose any ABS Module DTCs before proceeding with the test. Turn the ignition on. With the scan tool, read BSM DTCs. Does the scan tool display this DTC as active? Yes Replace the ABS Module in accordance with the Service Information. Refer to «MODULE, ANTI-LOCK BRAKE SYSTEM , REMOVAL»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#electronic-control-modules-service-information) . Perform the ABS VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/anti-locktraction-control/#antilock-brake-system-abs-electrical-diagnostics) . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(/jeep/grand-cherokee/wk2-2010-2013/remont/communication-devices/#totally-integrated-power-module-tipm-body-verification-test) .

See also:
• STANDARD PROCEDURE
• SENSOR, BLIND SPOT , REMOVAL
• MODULE, BLIND SPOT , REMOVAL
• DIAGNOSTIC CODE INDEX - 3.0L DIESEL
• DIAGNOSTIC CODE INDEX - NGC
• DIAGNOSIS AND TESTING
• DIAGNOSIS AND TESTING
• DIAGNOSIS AND TESTING
• DIAGNOSIS AND TESTING
• REMOVAL
• MODULE, TOTALLY INTEGRATED POWER (TIPM) , REMOVAL
• STANDARD PROCEDURE
• B128C-16
• B128C-17
• B128C-2A
• B128C-48
• B128C-4A
• B128C-56
• B128C-57
• B128C-64
• B128C-92
• B128C-96
• B128C-98
• B128D-17
• B128D-2A
• B128D-48
• B128D-4A
• B128D-56
• B128D-57
• B128D-64
• B128D-92
• B128D-96
• B128D-98
• B129A-00
• B129B-00
• B210C-00
• B2199-16
• B2199-17
• B21DD-84
• B21DD-85
• B223B-00
• B2598-00
• B2599-00
• U0010-00
• U0141-00
• U0155-00
• U0184-00
• U0203-00
• U0204-00
• U0423-00
• U0431-00
• U1193-00
• U1193-01
• U1193-87
• U1194-00
• U1194-01
• U1194-87
• U1434-82
• U1434-8F
• U1435-82
• U1435-8F
• U1438-00