Electronic Control Modules - Electrical Diagnostics: Other Dodge Cab & Chassis R3500 HD

Monitor Conditions

1. When Monitored: When the scan tool queries the TIPM.

Set Conditions

1. Set Condition: The scan tool has detected an open condition on both Diagnostic CAN C circuits.

Possible Causes

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1. CHECK THE STATUS OF THE ERROR MESSAGE NOTE: Ensure the vehicle being tested is a CAN BUS VEHICLE. If not, false error messages may be displayed. NOTE: Ensure the scan tool is updated to the latest software. With the scan tool, record the error message. Disconnect the scan tool from the DLC. Cycle the ignition from on to off 3 times. Turn the ignition on. Does the scan tool display this same error message? Yes Go To step 2 . No The conditions that caused this error message to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. (D52) DIAGNOSTIC CAN C (+) CIRCUIT OPEN Turn the ignition off. Disconnect the Totally Integrated Power Module C6 harness connector. Disconnect the scan tool from the DLC. NOTE: Check the connectors at both the DLC and the TIPM. Measure the resistance of the (D52) Diagnostic CAN C (+) circuit between the TIPM connector and the DLC. Is the resistance below 5.0 ohms? Yes Go To step 3 . No Repair the (D52) Diagnostic CAN C (+) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
3. (D51) DIAGNOSTIC CAN C (-) CIRCUIT OPEN Measure the resistance of the (D51) Diagnostic CAN C (-) circuit between the TIPM connector and the DLC. Is the resistance below 5.0 ohms? Yes Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Totally Integrated Power Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Repair the (D51) Diagnostic CAN C (-) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

1. When Monitored: When the scan tool queries the TIPM.

1. Set Condition: The scan tool has detected a shorted high condition on either or both Diagnostic CAN C circuits.

Scheme 7

1. CHECK THE STATUS OF THE ERROR MESSAGE NOTE: Ensure the vehicle being tested is a CAN BUS VEHICLE. If not, false error messages may be displayed. NOTE: Ensure the scan tool is updated to the latest software. With the scan tool, record the error message. Disconnect the scan tool from the DLC. Cycle the ignition from on to off 3 times. Turn the ignition on. Does the scan tool display this same error message? Yes Go To step 2 . No The conditions that caused this error message to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. DIAGNOSTIC CAN C CIRCUITS SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Totally Integrated Power Module C6 harness connector. Disconnect the scan tool from the DLC. Turn the ignition on. Measure the voltage of the Diagnostic CAN C circuits. Is the voltage above 6.0 volts for either circuit? Yes Repair the Diagnostic CAN C circuits for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Totally Integrated Power Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

1. When Monitored: When the scan tool queries the TIPM.

1. Set Condition: The scan tool has detected a shorted low condition on the (D52) Diagnostic CAN C (+) circuit.

Scheme 8

1. CHECK THE STATUS OF THE ERROR MESSAGE NOTE: Ensure the vehicle being tested is a CAN BUS VEHICLE. If not, false error messages may be displayed. NOTE: Ensure the scan tool is updated to the latest software. With the scan tool, record the error message. Disconnect the scan tool from the DLC. Cycle the ignition from on to off 3 times. Turn the ignition on. Does the scan tool display this same error message? Yes Go To step 2 . No The conditions that caused this error message to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. (D52) DIAGNOSTIC CAN C (+) CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the Totally Integrated Power Module C6 harness connector. Disconnect the scan tool from the DLC. Measure the resistance between ground and the (D52) Diagnostic CAN C (+) circuit. Is the resistance below 100.0 ohms? Yes Repair the (D52) Diagnostic CAN C (+) circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Totally Integrated Power Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

1. When Monitored: When the scan tool queries the TIPM.

1. Set Condition: The scan tool has detected an open condition on the (D52) Diagnostic CAN C (+) circuit.

1. When Monitored: When the scan tool queries the TIPM.

1. Set Condition: The scan tool has detected a shorted together condition on the Diagnostic CAN C circuits.

Scheme 9

1. CHECK THE STATUS OF THE ERROR MESSAGE NOTE: Ensure the vehicle being tested is a CAN BUS VEHICLE. If not, false error messages may be displayed. NOTE: Ensure the scan tool is updated to the latest software. With the scan tool, record the error message. Disconnect the scan tool from the DLC. Cycle the ignition from on to off 3 times. Turn the ignition on. Does the scan tool display this same error message? Yes Go To step 2 . No The conditions that caused this error message to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. (D52) DIAGNOSTIC CAN C (+) CIRCUIT SHORTED TO (D51) DIAGNOSTIC CAN C (-) CIRCUIT Turn the ignition off. Disconnect the Totally Integrated Power Module C6 harness connector. Disconnect the scan tool from the DLC. Measure the resistance between the (D52) Diagnostic CAN C (+) circuit and the (D51) Diagnostic CAN C (-) circuit. Is the resistance below 100.0 ohms? Yes Repair the (D52) Diagnostic CAN C (+) circuit for a short to the (D51) Diagnostic CAN C (-) circuit. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Totally Integrated Power Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

1. When Monitored: When the scan tool queries the TIPM.

1. Set Condition: The scan tool has detected a shorted low condition on the (D51) Diagnostic CAN C (-) circuit.

Scheme 10

1. CHECK THE STATUS OF THE ERROR MESSAGE NOTE: Ensure the vehicle being tested is a CAN BUS VEHICLE. If not, false error messages may be displayed. NOTE: Ensure the scan tool is updated to the latest software. With the scan tool, record the error message. Disconnect the scan tool from the DLC. Cycle the ignition from on to off 3 times. Turn the ignition on. Does the scan tool display this same error message? Yes Go To step 2 . No The conditions that caused this error message to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. (D51) DIAGNOSTIC CAN C (-) CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the Totally Integrated Power Module C6 harness connector. Disconnect the scan tool from the DLC. Measure the resistance between ground and the (D51) Diagnostic CAN C (-) circuit. Is the resistance below 100.0 ohms? Yes Repair the (D51) Diagnostic CAN C (-) circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Totally Integrated Power Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

1. When Monitored: When the scan tool queries the TIPM.

1. Set Condition: The scan tool has detected an open condition on the (D51) Diagnostic CAN C (-) circuit.

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1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. NOTE: Check the TIPM for any active CAN C hardware DTCs, perform DTC before proceeding. Does the scan tool display a red X next to the module? Yes Go To step 2 . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.
2. (A107) (A111) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Antilock Brake Module harness connector. Using a 12-volt test light connected to ground, check each (A107) and (A111) Fused B(+) circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 3 . No Repair the (A107) or (A111) Fused B(+) circuit for an open or short. Perform «*ABS VERIFICATION TEST»(ref-303797-S09068351562008103100000) .
3. (Z107) (Z127) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check each (Z107) and (Z127) ground circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 4 . No Repair the (Z107) or (Z127) ground circuit for an open. Perform «*ABS VERIFICATION TEST»(ref-303797-S09068351562008103100000) .
4. (F202) FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN OR SHORTED Turn the ignition on. Using a 12-volt test light connected to ground, check the (F202) Fused Ignition Switch Output circuit. Does the test light illuminate brightly? Yes Go To step 5 . No Repair the (F202) Fused Ignition Switch Output circuit for an open or short. Perform «*ABS VERIFICATION TEST»(ref-303797-S09068351562008103100000) .
5. (D65) CAN C BUS (+) CIRCUIT OPEN Turn the ignition off. Disconnect the TIPM C6 harness connector. Measure the resistance of the (D65) CAN C Bus (+) circuit between the TIPM connector and the Antilock Brake Module connector. Is resistance below 5.0 ohms? Yes Go To step 6 . No Repair the (D65) CAN C Bus (+) circuit for an open. Perform «*ABS VERIFICATION TEST»(ref-303797-S09068351562008103100000) .
6. (D64) CAN C BUS (-) CIRCUIT OPEN Measure the resistance of the (D64) CAN C Bus (-) circuit between the TIPM connector and the Antilock Brake Module connector. Is resistance below 5.0 ohms? Yes Replace the Antilock Brake Module in accordance with the service information. Perform «*ABS VERIFICATION TEST»(ref-303797-S09068351562008103100000) . No Repair the (D64) CAN C Bus (-) circuit for an open. Perform «*ABS VERIFICATION TEST»(ref-303797-S09068351562008103100000) .

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1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2 . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.
2. (A116) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Radio Amplifier C1 harness connector. Using a 12-volt test light connected to ground, check each (A116) Fused B(+) circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 3 . No Repair the Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
3. (Z513) (Z907) GROUND CIRCUITS OPEN Using a 12-volt test light connected to 12-volts, check each (Z513) and (Z907) ground circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 4 . No Repair the (Z513) or (Z907) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
4. (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Radio Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

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1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2 . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.
2. FUSED B(+) CIRCUITS OPEN OR SHORTED Turn the ignition off. Disconnect the Cluster C1, C3 and C4 harness connectors. Using a 12-volt test light connected to ground, check each Fused B(+) circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 3 . No Repair the Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
3. GROUND CIRCUITS OPEN Using a 12-volt test light connected to 12-volts, check each ground circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 4 . No Repair the ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
4. (F1) FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN OR SHORTED Turn the ignition on. Using a 12-volt test light connected to ground, check the (F1) Fused Ignition Switch Output circuit. Does the test light illuminate brightly? Yes Go To step 5 . No Repair the (F1) Fused Ignition Switch Output circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
5. (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Cluster in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

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1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. NOTE: Check the TIPM for any active CAN C hardware and any ignition related DTCs, perform DTCs before proceeding. Does the scan tool display a red X next to the module? Yes Go To step 2 . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.
2. CHECK ECM POWER AND GROUND Check the ECM power and ground circuits. Refer to «*CHECKING THE ECM POWER AND GROUNDS - DIESEL»(ref-303866-S18102506602008103100000) for the diagnostic test procedure. Were any problems found? Yes Repair as necessary. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST - DIESEL»(ref-303872-S13820159012008103100000) . No Go To step 3 .
3. (D65) CAN C BUS (+) CIRCUIT OPEN Turn the ignition off. Disconnect the TIPM C6 harness connector. Disconnect the ECM C1 harness connector. Measure the resistance of the (D65) CAN C Bus (+) circuit between the TIPM connector and the ECM connector. Is resistance below 5.0 ohms? Yes Go To step 4 . No Repair the (D65) CAN C Bus (+) circuit for an open. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST - DIESEL»(ref-303872-S13820159012008103100000) .
4. (D64) CAN C BUS (-) CIRCUIT OPEN Measure the resistance of the (D64) CAN C Bus (-) circuit between the TIPM connector and the ECM connector. Is resistance below 5.0 ohms? Yes Replace and program the Engine Control Module in accordance with the service information. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST - DIESEL»(ref-303872-S13820159012008103100000) . No Repair the (D64) CAN C Bus (-) circuit for an open. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST - DIESEL»(ref-303872-S13820159012008103100000) .

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1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. NOTE: Check the TIPM for any active CAN C hardware and any ignition related DTCs, perform DTCs before proceeding. Does the scan tool display a red X next to the module? Yes Go To step 2 . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.
2. CHECK ECM POWER AND GROUND Check the ECM power and ground circuits. Refer to «*CHECKING THE ECM POWER AND GROUNDS - DIESEL»(ref-303866-S18102506602008103100000) for the diagnostic test procedure. Were any problems found? Yes Repair as necessary. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST - DIESEL»(ref-303872-S13820159012008103100000) . No Go To step 3 .
3. (D65) CAN C BUS (+) CIRCUIT OPEN Turn the ignition off. Disconnect the TIPM C6 harness connector. Disconnect the ECM C2 harness connector. Measure the resistance of the (D65) CAN C Bus (+) circuit between the TIPM connector and the ECM connector. Is resistance below 5.0 ohms? Yes Go To step 4 . No Repair the (D65) CAN C Bus (+) circuit for an open. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST - DIESEL»(ref-303872-S13820159012008103100000) .
4. (D64) CAN C BUS (-) CIRCUIT OPEN Measure the resistance of the (D64) CAN C Bus (-) circuit between the TIPM connector and the ECM connector. Is resistance below 5.0 ohms? Yes Replace and program the Engine Control Module in accordance with the service information. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST - DIESEL»(ref-303872-S13820159012008103100000) . No Repair the (D64) CAN C Bus (-) circuit for an open. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST - DIESEL»(ref-303872-S13820159012008103100000) .

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1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2 . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.
2. (A919) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Electronic Overhead Module harness connector. Using a 12-volt test light connected to ground, check the (A919) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3 . No Repair the (A919) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
3. (Z13) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check the (Z13) ground circuit. Does the test light illuminate brightly? Yes Go To step 4 . No Repair the (Z13) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
4. (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Electronic Overhead Module (EOM) in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

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1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. NOTE: Check the TIPM for any active CAN C hardware DTCs, perform DTC before proceeding. Does the scan tool display a red X next to the module? Yes Go To step 2 . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.
2. (A121) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Final Drive Control Module harness connector. Using a 12-volt test light connected to ground, check the (A121) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3 . No Repair the (A121) Fused B(+) circuit for an open or short. Perform «FDCM VERIFICATION TEST»(ref-303781-S04848787062008103100000) .
3. (Z935) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check the (Z935) Ground circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 4 . No Repair the (Z935) ground circuit for an open. Perform «FDCM VERIFICATION TEST»(ref-303781-S04848787062008103100000) .
4. (F21) FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN OR SHORTED Turn the ignition on. Using a 12-volt test light connected to ground, check the (F21) Fused Ignition Switch Output circuit. Does the test light illuminate brightly? Yes Go To step 5 . No Repair the (F21) Fused Ignition Switch Output circuit for an open or short. Perform «FDCM VERIFICATION TEST»(ref-303781-S04848787062008103100000) .
5. (D65) CAN C BUS (+) CIRCUIT OPEN Turn the ignition off. Disconnect the TIPM C6 harness connector. Measure the resistance of the (D65) CAN C Bus (+) circuit between the TIPM connector and the FDCM connector. Is resistance below 5.0 ohms? Yes Go To step 6 . No Repair the (D65) CAN C Bus (+) circuit for an open. Perform «FDCM VERIFICATION TEST»(ref-303781-S04848787062008103100000) .
6. (D64) CAN C BUS (-) CIRCUIT OPEN Measure the resistance of the (D64) CAN C Bus (-) circuit between the TIPM connector and the FDCM connector. Is resistance below 5.0 ohms? Yes Replace the Final Drive Control Module in accordance with the service information. Perform «FDCM VERIFICATION TEST»(ref-303781-S04848787062008103100000) . No Repair the (D64) CAN C Bus (-) circuit for an open. Perform «FDCM VERIFICATION TEST»(ref-303781-S04848787062008103100000) .

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1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2 . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.
2. (A114) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Hands Free Module harness connector. Using a 12-volt test light connected to ground, check the (A114) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3 . No Repair the (A114) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
3. (Z970) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check the (Z970) ground circuit. Does the test light illuminate brightly? Yes Go To step 4 . No Repair the (Z970) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
4. (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Hands Free Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

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1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2 . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.
2. (A919) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the A/C Heater Control C1 harness connector. Using a 12-volt test light connected to ground, check the (A919) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3 . No Repair the (A919) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
3. (F504) FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN OR SHORTED Turn the ignition on. Using a 12-volt test light connected to ground, check the (F504) Fused Ignition Switch Output circuit. Does the test light illuminate brightly? Yes Go To step 4 . No Repair the (F504) Fused Ignition Switch Output for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
4. (Z24) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check the (Z24) ground circuit. Does the test light illuminate brightly? Yes Go To step 5 . No Repair the (Z24) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
5. (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the A/C Heater Control in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

Scheme 50

Scheme 51

Scheme 52

Scheme 53

Scheme 54

1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2 . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.
2. (Z104) GROUND CIRCUIT OPEN WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding. Disconnect the Occupant Restraint Controller Module C1 and C2 harness connectors. Connect the appropriate Load Tool ACM Adapter to the ORC connector. Measure the resistance between ground and the (Z104) ground circuit. Is the resistance below 10k ohms? Yes Go To step 3 . No Repair the (Z104) ground circuit for an open. Perform «VERIFICATION TEST - SUPPLEMENTAL RESTRAINT SYSTEM»(ref-303812-S00608946672008103100000) .
3. (F100) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN OR SHORTED NOTE: Check the TIPM for any ignition related DTCs before proceeding. If set, refer to «DIAGNOSIS AND TESTING»(ref-303817-S06861726732008103100000) . WARNING: To avoid personal injury or death, turn the ignition on, then reconnect the battery. Using a 12-volt test light connected to ground, check the (F100) Fused Ignition Switch Output (RUN) circuit. Does the test light illuminate brightly? Yes Go To step 4 . No Repair the (F100) Fused Ignition Switch Output (RUN) circuit for an open or short. Perform «VERIFICATION TEST - SUPPLEMENTAL RESTRAINT SYSTEM»(ref-303812-S00608946672008103100000) .
4. (F201) FUSED IGNITION SWITCH OUTPUT (RUN/START) CIRCUIT OPEN OR SHORTED Using a 12-volt test light connected to ground, check the (F201) Fused Ignition Switch Output (RUN/START) circuit. Does the test light illuminate brightly? Yes Go To step 5 . No Repair the (F201) Fused Ignition Switch Output (RUN/START) circuit for an open or short. Perform «VERIFICATION TEST - SUPPLEMENTAL RESTRAINT SYSTEM»(ref-303812-S00608946672008103100000) .
5. (D55) AND (D54) CAN B BUS CIRCUITS OPEN WARNING: If the Occupant Restraint Controller is dropped at any time, it must be replaced. Failure to take the proper precautions could result in accidental airbag deployment and personal injury or death. NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Occupant Restraint Controller Module in accordance with the service information. Perform «VERIFICATION TEST - SUPPLEMENTAL RESTRAINT SYSTEM»(ref-303812-S00608946672008103100000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «VERIFICATION TEST - SUPPLEMENTAL RESTRAINT SYSTEM»(ref-303812-S00608946672008103100000) .

Scheme 55

Scheme 56

Scheme 57

Scheme 58

Scheme 59

Scheme 60

1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. NOTE: Check the TIPM for any active CAN C hardware DTCs, perform DTC before proceeding. Does the scan tool display a red X next to the module? Yes Go To step 2 . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.
2. (A918) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the PCM C1 harness connector. CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install Miller Special Tool #8815 to perform diagnosis. Using a 12-volt test light connected to ground, check the (A918) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3 . No Repair the (A918) Fused B(+) circuit for an open or short. Perform «POWERTRAIN VERIFICATION TEST»(ref-303864-S05337783532008103100000) .
3. (Z130) (Z131) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check each (Z130) and (Z131) ground circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 4 . No Repair the ground circuit for an open. Perform «POWERTRAIN VERIFICATION TEST»(ref-303864-S05337783532008103100000) .
4. (F1) (F202) FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN OR SHORTED Turn the ignition on. Using a 12-volt test light connected to ground, check each (F1) and (F202) Fused Ignition Switch Output circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 5 . No Repair the Fused Ignition Switch Output circuit for an open or short. Perform «POWERTRAIN VERIFICATION TEST»(ref-303864-S05337783532008103100000) .
5. (D65) CAN C BUS (+) CIRCUIT OPEN Turn the ignition off. Disconnect the TIPM C6 harness connector. Measure the resistance of the (D65) CAN C Bus (+) circuit between the TIPM connector and the appropriate terminal of the special tool #8815. Is the resistance below 5.0 ohms? Yes Go To step 6 . No Repair the (D65) CAN C Bus (+) circuit for an open. Perform «POWERTRAIN VERIFICATION TEST»(ref-303864-S05337783532008103100000) .
6. (D64) CAN C BUS (-) CIRCUIT OPEN Measure the resistance of the (D64) CAN C Bus (-) circuit between the TIPM connector and the appropriate terminal of the special tool #8815. Is the resistance below 5.0 ohms? Yes Replace and program the Powertrain Control Module in accordance with the service information. Perform «POWERTRAIN VERIFICATION TEST»(ref-303864-S05337783532008103100000) . No Repair the (D64) CAN C Bus (-) circuit for an open. Perform «POWERTRAIN VERIFICATION TEST»(ref-303864-S05337783532008103100000) .

Scheme 61

Scheme 62

Scheme 63

Scheme 64

1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2 . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.
2. (A114) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Radio C1 harness connector. Using a 12-volt test light connected to ground, check each (A114) Fused B(+) circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 3 . No Repair the (A114) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
3. (Z514) (Z515) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check each (Z514) and (Z515) ground circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 4 . No Repair the (Z514) or (Z515) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
4. (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Radio in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

Scheme 65

Scheme 66

Scheme 67

Scheme 68

1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2 . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.
2. (A114) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Satellite Receiver harness connector. Using a 12-volt test light connected to ground, check the (A114) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3 . No Repair the (A114) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
3. (Z960) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check the (Z960) ground circuit. Does the test light illuminate brightly? Yes Go To step 4 . No Repair the (Z960) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
4. (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Satellite Receiver in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

Scheme 69

Scheme 70

Scheme 71

1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2 . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.
2. (A310) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Sunroof Motor/Module harness connector. Using a 12-volt test light connected to ground, check the (A310) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3 . No Repair the (A310) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
3. (Z964) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check the (Z964) ground circuit. Does the test light illuminate brightly? Yes Go To step 4 . No Repair the (Z964) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
4. (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Sunroof Motor/Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

Scheme 72

Scheme 73

1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. NOTE: Check the TIPM for any active CAN C hardware DTCs, perform DTC before proceeding. Does the scan tool display a red X next to the module? Yes Go To step 2 . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.
2. ATTEMPT TO COMMUNICATE WITH THE PCM With the scan tool in ECU view, observe the status of the PCM. Does the scan tool display a red X next to the PCM? Yes Refer to the «*NO RESPONSE FROM PCM (POWERTRAIN CONTROL MODULE) (NGC)»(ref-303801-S00116641542008103100000) test procedure. No Go To step 3 .
3. GROUND CIRCUIT OPEN Turn the ignition off. Disconnect the PCM C4 harness connector. CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install Miller Special Tool #8815 to perform diagnosis. Using a 12-volt test light connected to 12-volts, check each ground circuit. Does the test light illuminate brightly for each circuit? Yes Replace and program the Powertrain Control Module in accordance with the service information. Perform the appropriate VERIFICATION TEST. No Repair the ground circuit for an open. Perform the appropriate VERIFICATION TEST.

Scheme 74

Scheme 75

Scheme 76

1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. NOTE: Ensure the scan tool is updated to the latest software. NOTE: If the scan tool displays any error messages involving the CAN C Diagnostic circuits, diagnose and repair the error message before proceeding. Refer to the «DIAGNOSTIC CODE INDEX»(ref-303801-S25624446322008103100000) . NOTE: A loss of communication with the TIPM can cause the ECU View button on the scan tool to be inoperative (not highlighted). With the scan tool, attempt to select ECU view. Can the scan tool communicate with the TIPM? Yes The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals. No Go To step 2 .
2. FUSED B (+) CIRCUITS OPEN AT TIPM Disconnect the scan tool from the DLC. Using a 12-volt test light connected to ground, and using the wiring diagram as a guide, check all Fused B (+) circuits. Does the test light illuminate brightly for each circuit? Yes Go To step 3 . No Repair the Fused B(+) circuit that did not light the test light for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
3. FUSED IGNITION SWITCH OUTPUT CIRCUITS OPEN AT TIPM Turn the ignition on. Using a 12-volt test light connected to ground, and using the wiring diagram as a guide, check each Fused Ignition Switch Output circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 4 . No Repair the Fused Ignition Switch Output circuit that did not light the test light for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
4. GROUND CIRCUITS OPEN AT TIPM Turn the ignition off. Using a 12-volt test light connected to 12-volts, and using the wiring diagram as a guide, check all ground circuits. Does the test light illuminate brightly on each circuit? Yes Go To step 5 . No Repair the ground circuit that did not light the test light for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
5. CHECK FOR (D52) CAN C DIAGNOSTIC (+) CIRCUIT OPEN AT DLC Disconnect the TIPM C6 harness connector. Measure the resistance on the D52 CAN C Diagnostic (+) circuit between the TIPM C6 harness connector and the DLC Is the resistance above 10 ohms? Yes Repair the D52 CAN C Diagnostic (+) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Go To step 6 .
6. CHECK FOR (D51) CAN C DIAGNOSTIC (-) CIRCUIT OPEN AT DLC Measure the resistance on the D51 CAN C Diagnostic (-) circuit between the TIPM C6 harness connector and the DLC Is the resistance above 10 ohms? Yes Repair the D51 CAN C Diagnostic (-) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Go To step 7 .
7. CHECK FOR CAN C DIAGNOSTIC CIRCUITS SHORTED TOGETHER Measure the resistance between the (D52) CAN C Diagnostic (+) circuit and the (D51) CAN C Diagnostic (-) circuit at the TIPM C6 harness connector. Is the resistance below 100.0 ohms? Yes Repair the (D52) CAN C Diagnostic (+) circuit for a short to the (D51) CAN C Diagnostic (-) circuit. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Replace the Totally Integrated Power Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

Scheme 77

Scheme 78

Scheme 79

Scheme 80

1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2 . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.
2. (A118) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Monitor/DVD Media System harness connector. Using a 12-volt test light connected to ground, check the (A118) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3 . No Repair the (A118) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
3. (Z957) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check the (Z957) ground circuit. Does the test light illuminate brightly? Yes Go To step 4 . No Repair the (Z957) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
4. (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Monitor/DVD Media System in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

Scheme 81

Scheme 82

Scheme 83

Scheme 84

Scheme 85

1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2 . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.
2. (A114) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Sentry Key Remote Entry Module harness connector. Using a 12-volt test light connected to ground, check the (A114) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3 . No Repair the (A114) Fused B(+) circuit for an open or short. Perform «SKREEM/SKIM VERIFICATION TEST»(ref-303847-S05597624732008103100000) .
3. (Z109) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check the (Z109) ground circuit. Does the test light illuminate brightly? Yes Go To step 4 . No Repair the (Z109) ground circuit for an open. Perform «SKREEM/SKIM VERIFICATION TEST»(ref-303847-S05597624732008103100000) .
4. (F202) FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN OR SHORTED Turn the ignition on. Using a 12-volt test light connected to ground, check the (F202) Fused Ignition Switch Output circuit. Does the test light illuminate brightly? Yes Go To step 5 . No Repair the (F202) Fused Ignition Switch Output circuit for an open or short. Perform «SKREEM/SKIM VERIFICATION TEST»(ref-303847-S05597624732008103100000) .
5. (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Sentry Key Remote Entry Module in accordance with the service information. Perform «SKREEM/SKIM VERIFICATION TEST»(ref-303847-S05597624732008103100000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «SKREEM/SKIM VERIFICATION TEST»(ref-303847-S05597624732008103100000) .

Scheme 86

1. When Monitored: With the ignition on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.

1. Set Condition: Bus messages not received for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on.

1. Set Condition: Battery voltage less than 9 volts for more than 15 seconds.

1. When Monitored: With the ignition on.

1. Set Condition: Battery voltage greater than 16 volts for more than 15 seconds.

1. When Monitored: With the ignition on.

1. Set Condition: The Totally Integrated Power Module (TIPM) will receive and monitor the VIN message from the PCM and record the VIN if different from the last VIN.

1. When Monitored: Continuously.

1. Set Condition: The Totally Integrated Power Module detects an internal fault.

1. When Monitored: With the ignition on.

1. Set Condition: The Totally Integrated Power Module is not configured correctly to the vehicle.

1. When Monitored: Continuously.

1. Set Condition: The Final Drive Control Module detects that system voltage is below 9.0 volts for 60 seconds.

Scheme 87

1. CHARGING SYSTEM DTCS PRESENT Ignition on. With the scan tool, select View DTCs in the Powertrain Control Module. Are there any Charging System or related voltage DTCs present? Yes Refer to the appropriate ELECTRICAL DIAGNOSTICS article and perform any Charging System DTC diagnostic procedures before continuing with this test. No Go to 2 .
2. DTC IS ACTIVE With the scan tool, select View DTCs in the Final Drive Control Module. Is the status Active for this DTC? Yes Go to 3 . No Go to 5 .
3. (A34) FUSED B+ CIRCUIT OPEN OR HIGH RESISTANCE Turn the ignition off. Disconnect the Final Drive Control Module harness connector. Turn the ignition on. With a 12-volt test light connected to ground, check the (A34) Fused B+ circuit in the Final Drive Control Module harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Go to 4 . No Repair the (A34) Fused B+ circuit for an open circuit or high resistance. Perform «FDCM VERIFICATION TEST»(ref-303781-S04848787062008103100000) .
4. FINAL DRIVE CONTROL MODULE View repair. Repair Replace the Final Drive Control Module in accordance with the service information. Perform «FDCM VERIFICATION TEST»(ref-303781-S04848787062008103100000) .
5. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Were any problems found? Yes Repair as necessary. Perform «FDCM VERIFICATION TEST»(ref-303781-S04848787062008103100000) . No Test complete.

1. When Monitored: Continuously.

1. Set Condition: The Final Drive Control Module detects that system voltage is above 16.0 volts for 10 seconds with engine RPM greater than 350.

Scheme 88

1. CHARGING SYSTEM DTCS PRESENT Ignition on. With the scan tool, select View DTCs in the Powertrain Control Module. Are there any Charging System or related voltage DTCs present? Yes Refer to the appropriate ELECTRICAL DIAGNOSTICS article and perform any Charging System DTC diagnostic procedures before continuing with this test. No Go to 2 .
2. DTC IS ACTIVE With the scan tool, select View DTCs in the Final Drive Control Module. Is the status Active for this DTC? Yes Go to 3 . No Go to 5 .
3. FINAL DRIVE CONTROL MODULE GROUND CIRCUITS OPEN OR HIGH RESISTANCE Turn the ignition off. Disconnect the Final Drive Control Module harness connector. Turn the ignition on. With a 12-volt test light connected to B+, check the Ground circuits in the Final Drive Control Module harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly for each of the Ground circuits? Yes Go to 4 . No Repair the Ground circuit(s) for an open circuit or high resistance. Perform «FDCM VERIFICATION TEST»(ref-303781-S04848787062008103100000) .
4. FINAL DRIVE CONTROL MODULE View repair. Repair Replace the Final Drive Control Module in accordance with the service information. Perform «FDCM VERIFICATION TEST»(ref-303781-S04848787062008103100000) .
5. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Were any problems found? Yes Repair as necessary. Perform «FDCM VERIFICATION TEST»(ref-303781-S04848787062008103100000) . No Test complete.

1. When Monitored: With the ignition on.

1. Set Condition: The Final Drive Control Module has detected a failure internal to the controller.

1. When Monitored: With the ignition on.

1. Set Condition: The TIPM detects a short in either CAN C Bus circuit.

Scheme 89

Scheme 90

Scheme 91

Scheme 92

Scheme 93

1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase TIPM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active TIPM DTC's. Does the scan tool display U0001-CAN C BUS CIRCUIT as active? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. ANTILOCK BRAKE MODULE - INTERNAL SHORT Turn the ignition off. Disconnect the Antilock Brake Module harness connector. Turn the ignition on. With the scan tool, record and erase TIPM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active TIPM DTC's. Does the scan tool display U0001-CAN C BUS CIRCUIT as active? Yes Go To 3 . No Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Antilock Brake Module in accordance with the service information. Perform «*ABS VERIFICATION TEST»(ref-303797-S09068351562008103100000) .
3. POWERTRAIN CONTROL MODULE - INTERNAL SHORT Turn the ignition off. Disconnect the Powertrain Control Module C1 harness connector. Turn the ignition on. With the scan tool, record and erase TIPM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active TIPM DTC's. Does the scan tool display U0001-CAN C BUS CIRCUIT as active? Yes Go To 4 . No Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the Powertrain Control Module in accordance with the service information. Perform «POWERTRAIN VERIFICATION TEST»(ref-303864-S05337783532008103100000) .
4. ENGINE CONTROL MODULE (DIESEL ONLY) - INTERNAL SHORT Turn the ignition off. NOTE: If vehicle is not equipped with this module, answer yes to the question. Disconnect the Engine Control Module C1 (5.9L) or C2 (6.7L) harness connector. Turn the ignition on. With the scan tool, record and erase TIPM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active TIPM DTC's. Does the scan tool display U0001-CAN C BUS CIRCUIT as active? Yes Go To 5 . No Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the Engine Control Module in accordance with the service information. Perform «POWERTRAIN VERIFICATION TEST - DIESEL»(ref-303872-S13820159012008103100000) .
5. FINAL DRIVE CONTROL MODULE (POWER WAGON ONLY) - INTERNAL SHORT Turn the ignition off. NOTE: If vehicle is not equipped with this module, answer yes to the question. Disconnect the Final Drive Control Module harness connectors. Turn the ignition on. With the scan tool, record and erase TIPM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active TIPM DTC's. Does the scan tool display U0001-CAN C BUS CIRCUIT as active? Yes Go To 6 . No Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the Final Drive Control Module in accordance with the service information. Perform «FDCM VERIFICATION TEST»(ref-303781-S04848787062008103100000) .
6. (D65) CAN C BUS (+) CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Totally Integrated Power Module C6 harness connector. Turn the ignition on. Measure the voltage between the (D65) CAN C Bus (+) circuit and ground. Is there any voltage present? Yes Repair the (D65) CAN C Bus (+) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Go To 7 .
7. (D64) CAN C BUS (-) CIRCUIT SHORTED TO VOLTAGE Measure the voltage between the (D64) CAN C Bus (-) circuit and ground. Is there any voltage present? Yes Repair the (D64) CAN C Bus (-) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Go To 8 .
8. (D65) CAN C BUS (+) CIRCUIT SHORTED TO GROUND Turn the ignition off. Measure the resistance between ground and the (D65) CAN C Bus (+) circuit. Is any resistance present? Yes Repair the (D65) CAN C Bus (+) circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Go To 9 .
9. (D64) CAN C BUS (-) CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (D64) CAN C Bus (-) circuit. Is any resistance present? Yes Repair the (D64) CAN C Bus (-) circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Go To 10 .
10. (D65) CAN C BUS (+) CIRCUIT SHORTED TO (D64) CAN C BUS (-) CIRCUIT Measure the resistance between the (D65) CAN C Bus (+) circuit and the (D64) CAN C Bus (-) circuit. Is any resistance present? Yes Repair the (D65) CAN C Bus (+) circuit for a short to the (D64) CAN C Bus (-) circuit. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the Totally Integrated Power Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

1. When Monitored: With the ignition on and battery voltage between 10 and 16 volts.

1. Set Condition: The TIPM detects the (D55) CAN B Bus (+) circuit is open.

Scheme 94

1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase TIPM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active TIPM DTC's. Does the scan tool display this DTC as active? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. ATTEMPT TO ISOLATE THE OPEN CONDITION Turn the ignition on. Verify that all CAN B Bus modules are communicating with the scan tool. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. NOTE: If any module is not communicating, perform the appropriate no response test procedure before proceeding. Turn the ignition off. Gain access to the Totally Integrated Power Module C6 harness connector, but do not disconnect. Using a fused jumper wire, connect one end to ground and with the other end backprobe the (D54) CAN B Bus (-) circuit at the TIPM C6 harness connector. Turn the ignition on. With the scan tool monitor the network status screen and document all modules that display a red X. Are there any red X's displayed next to the modules? Yes Go To 3 . No Check backprobe connection to ground, make sure it is proper. The CAN B Bus open DTC may no longer be active, it may be stored. Check all module connections. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
3. ATTEMPT TO ISOLATE THE OPEN CONDITION - MULTIPLE RED X'S With the scan tool continue monitoring the network status screen. Are there multiple red X's displayed next to the modules? Yes The most likely cause of this condition is an open CAN B Bus (+) circuit between a common CAN B Bus splice and the modules that display the red X next to them. Using the wiring diagrams will help you determine where open condition exists. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Go To 4 .
4. (D55) CAN B BUS (+) CIRCUIT OPEN - SINGLE RED X Turn the ignition off. Disconnect the module that has the red X displayed next to it. Turn the ignition on. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present? Yes Inspect the connector and terminal for damage, inspect for spread terminals, or push out terminals. If ok, replace the module that displayed the red X next to it in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Repair the (D55) CAN B Bus (+) circuit for an open between the next common splice and the module that has the red X displayed next to it. Using the wiring diagrams will help you determine where open condition exists. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

1. When Monitored: Continuously.

1. Set Condition: The TIPM detects the (D55) CAN B Bus (+) circuit is shorted to ground.

Scheme 95

1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase TIPM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active TIPM DTC's. Does the scan tool display this DTC as active? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. CHECK THE (D55) CAN B BUS (+) CIRCUIT FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Totally Integrated Power Module C6 harness connector. Measure the resistance between ground and the (D55) CAN B Bus (+) circuit. Is resistance below 1000.0 ohms? Yes Go To 3 . No Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Totally Integrated Power Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
3. (D55) CAN B BUS (+) CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (D55) CAN B Bus (+) circuit. While monitoring the ohmmeter, disconnect each CAN B Bus module one at a time. NOTE: This is to determine if the short to ground is internal within a module or if the circuit is shorted. NOTE: Disconnecting an in-line connector can eliminate a module or group of modules from the list of possible causes for this fault. Refer to the wiring diagrams to assist in diagnosis. Is resistance below 1000.0 ohms with all the CAN B Bus modules disconnected? Yes Repair the (D55) CAN B Bus (+) circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Replace the module that when disconnected the short to ground was eliminated, in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

1. When Monitored: Continuously.

1. Set Condition: The TIPM detects the (D55) CAN B Bus (+) circuit is shorted to voltage.

Scheme 96

1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase TIPM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active TIPM DTC's. Does the scan tool display this DTC as active? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. CHECK THE (D55) CAN B BUS (+) CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off. Disconnect the Totally Integrated Power Module C6 harness connector. Turn the ignition on. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is voltage above 10.0 volts? Yes Go To 3 . No Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Totally Integrated Power Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
3. (D55) CAN B BUS (+) CIRCUIT SHORTED TO VOLTAGE Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. While monitoring the voltmeter, disconnect each CAN B Bus module one at a time. NOTE: When performing the above step, turn the ignition off (wait one minute) before disconnecting any module. When the module is disconnected turn the ignition on to check for a short to voltage. NOTE: This is to determine if the short to voltage is internal within a module or if the circuit is shorted. NOTE: Disconnecting an in-line connector can eliminate a module or group of modules from the list of possible causes for this fault. Refer to the wiring diagrams to assist in diagnosis. Is the voltage above 10.0 volts with all the CAN B Bus modules disconnected? Yes Repair the (D55) CAN B Bus (+) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Replace the module that when disconnected the short to voltage was eliminated, in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

1. When Monitored: With the ignition on and battery voltage between 10 and 16 volts.

1. Set Condition: The TIPM detects the (D54) CAN B Bus (-) circuit is open.

Scheme 97

1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase TIPM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active TIPM DTC's. Does the scan tool display this DTC as active? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. ATTEMPT TO ISOLATE THE OPEN CONDITION Turn the ignition on. Verify that all CAN B Bus modules are communicating with the scan tool. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. NOTE: If any module is not communicating, perform the appropriate no response test procedure before proceeding. Turn the ignition off. Gain access to the Totally Integrated Power Module C6 harness connector, but do not disconnect. Using a fused jumper wire, connect one end to ground and with the other end backprobe the CAN B Bus (+) circuit at the TIPM C6 harness connector. Turn the ignition on. With the scan tool monitor the network status screen and document all modules that display a red X. Are there any red X's displayed next to the modules? Yes Go To 3 . No Check backprobe connection to ground, make sure it is proper. The CAN B Bus open DTC may no longer be active, it may be stored. Check all module connections Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
3. ATTEMPT TO ISOLATE THE OPEN CONDITION - MULTIPLE RED X'S With the scan tool continue monitoring the network status screen. Are there multiple red X's displayed next to the modules? Yes The most likely cause of this condition is an open CAN B Bus (-) circuit between a common CAN B Bus splice and the modules that display the red X next to them. Using the wiring diagrams will help you determine where open condition exists. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Go To 4 .
4. (D54) CAN B BUS (-) CIRCUIT OPEN - SINGLE RED X Turn the ignition off. Disconnect the module that has the red X displayed next to it. Turn the ignition on. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Is there any voltage present? Yes Inspect the connector and terminal for damage, inspect for spread terminals, or push out terminals. If ok, replace the module that displayed the red X next to it in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Repair the (D54) CAN B Bus (-) circuit for an open between the next common splice and the module that has the red X displayed next to it. Using the wiring diagrams will help you determine where open condition exists. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

1. When Monitored: Continuously.

1. Set Condition: The TIPM detects the (D54) CAN B Bus (-) circuit is shorted to ground.

Scheme 98

Scheme 99

1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase TIPM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active TIPM DTC's. Does the scan tool display this DTC as active? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. CHECK THE (D54) CAN B BUS (-) CIRCUIT FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Totally Integrated Power Module C6 harness connector. Measure the resistance between ground and the (D54) CAN B Bus (-) circuit. Is resistance below 1000.0 ohms? Yes Go To 3 . No Go To 4 .
3. (D54) CAN B BUS (-) CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (D54) CAN B Bus (-) circuit. While monitoring the ohmmeter, disconnect each CAN B Bus module one at a time. NOTE: This is to determine if the short to ground is internal within a module or if the circuit is shorted. NOTE: Disconnecting an in-line connector can eliminate a module or group of modules from the list of possible causes for this fault. Refer to the wiring diagrams to assist in diagnosis. Is resistance below 1000.0 ohms with all the CAN B Bus modules disconnected? Yes Repair the (D54) CAN B Bus (-) circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Replace the module that when disconnected the short to ground was eliminated, in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
4. CHECK THE (D55) CAN B BUS (+) CIRCUIT FOR A SHORT TO THE (D54) CAN B BUS (-) CIRCUIT Measure the resistance between the (D55) CAN B Bus (+) circuit and (D54) CAN B Bus (-) circuit. Is resistance below 1000.0 ohms? Yes Go To 5 . No Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Totally Integrated Power Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
5. (D55) CAN B BUS (+) CIRCUIT SHORTED TO THE (D54) CAN B BUS (-) CIRCUIT Measure the resistance between the (D55) CAN B Bus (+) circuit and (D54) CAN B Bus (-) circuit. While monitoring the ohmmeter, disconnect each CAN B Bus module one at a time. NOTE: This is to determine if the short together is internal within a module or if the circuits are shorted together. NOTE: Disconnecting an in-line connector can eliminate a module or group of modules from the list of possible causes for this fault. Refer to the wiring diagrams to assist in diagnosis. Is resistance below 1000.0 ohms with all the CAN B Bus modules disconnected? Yes Repair the (D55) CAN B Bus (+) circuit for a short to the (D54) CAN B Bus (-) circuit. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Replace the module that when disconnected the short together was eliminated, in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

1. When Monitored: Continuously.

1. Set Condition: The TIPM detects the (D54) CAN B Bus (-) circuit is shorted to voltage.

Scheme 100

1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase TIPM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active TIPM DTC's. Does the scan tool display this DTC as active? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. CHECK THE (D54) CAN B BUS (-) CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off. Disconnect the Totally Integrated Power Module C6 harness connector. Turn the ignition on. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Is voltage above 10.0 volts? Yes Go To 3 . No Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Totally Integrated Power Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
3. (D54) CAN B BUS (-) CIRCUIT SHORTED TO VOLTAGE Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. While monitoring the voltmeter, disconnect each CAN B Bus module one at a time. NOTE: When performing the above step, turn the ignition off (wait one minute) before disconnecting any module. When the module is disconnected turn the ignition on to check for a short to voltage. NOTE: This is to determine if the short to voltage is internal within a module or if the circuit is shorted. NOTE: Disconnecting an in-line connector can eliminate a module or group of modules from the list of possible causes for this fault. Refer to the wiring diagrams to assist in diagnosis. Is the voltage above 10.0 volts with all the CAN B Bus modules disconnected? Yes Repair the (D54) CAN B Bus (-) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Replace the module that when disconnected the short to voltage was eliminated, in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

1. When Monitored: Continuously.

1. Set Condition: The TIPM detects the (D55) CAN B Bus (+) circuit is shorted to the (D54) CAN B Bus (-) circuit.

Scheme 101

1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase TIPM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active TIPM DTC's. Does the scan tool display this DTC as active? Yes Go To 2 . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. CHECK THE (D55) CAN B BUS (+) CIRCUIT FOR A SHORT TO THE (D54) CAN B BUS (-) CIRCUIT Turn the ignition off. Disconnect the Totally Integrated Power Module C6 harness connector. Measure the resistance between the (D55) CAN B Bus (+) circuit and (D54) CAN B Bus (-) circuit. Is resistance below 1000.0 ohms? Yes Go To 3 . No Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Totally Integrated Power Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .
3. (D55) CAN B BUS (+) CIRCUIT SHORTED TO THE (D54) CAN B BUS (-) CIRCUIT Measure the resistance between the (D55) CAN B Bus (+) circuit and (D54) CAN B Bus (-) circuit. While monitoring the ohmmeter, disconnect each CAN B Bus module one at a time. NOTE: This is to determine if the short together is internal within a module or if the circuits are shorted together. NOTE: Disconnecting an in-line connector can eliminate a module or group of modules from the list of possible causes for this fault. Refer to the wiring diagrams to assist in diagnosis. Is resistance below 1000.0 ohms with all the CAN B Bus modules disconnected? Yes Repair the (D55) CAN B Bus (+) circuit for a short to the (D54) CAN B Bus (-) circuit. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) . No Replace the module that when disconnected the short together was eliminated, in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-303801-S12649440912008103100000) .

1. When Monitored: With the ignition on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.

1. Set Condition: Bus messages not received from the ECM/PCM for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.

1. Set Condition: Bus messages not received from the TCM for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.

1. Set Condition: Bus messages not received from the Final Drive Control Module (FDCM) for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.

1. Set Condition: Bus messages not received from the Antilock Brake Module for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.

1. Set Condition: Bus messages not received from the SAS (Steering Angle Sensor) for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.

1. Set Condition: Bus messages not received from the Front Control Module (on this vehicle, it is the Totally Integrated Power Module or TIPM) for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.

1. Set Condition: Bus messages not received from the Occupant Restraint Controller for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.

1. Set Condition: Bus messages not received from the Cluster/CCN for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.

1. Set Condition: Bus messages not received from the Electronic Overhead Module (EOM) for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.

1. Set Condition: Bus messages not received from the A/C Heater Control (HVAC) for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.

1. Set Condition: Bus messages not received from the Sentry Key Remote Entry Module (WCM) for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.

1. Set Condition: Bus messages not received from the Sunroof Motor/Module (SUNR) for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.

1. Set Condition: Bus messages not received from the Radio for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.

1. Set Condition: Bus messages not received from the Amplifier for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.

1. Set Condition: Bus messages not received from the Satellite Receiver (SDAR) for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.

1. Set Condition: Bus messages not received from the Vehicle Entertainment System (VES) for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on. Battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.

1. Set Condition: Bus messages not received from the HFM for approximately 2 to 5 seconds.

1. When Monitored: Continuously.

1. Set Condition: The Totally Integrated Power Module (TIPM) detects an additional CAN B module and requires a reconfiguration.