Cabin Compartment Node (Ccn) - Electrical Diagnostics: Diagnosis Dodge Challenger III рестайлинг

DIAGNOSTIC CODE INDEX

DIAGNOSTIC CODE INDEX

Scheme 144

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

DIAGNOSTIC TEST

1. CHECK FOR AN ACTIVE DTC Turn the ignition on. Press the Heated Steering Wheel Switch three times. With the scan tool, read 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.
2. CHECK FOR AN INTERNALLY SHORTED SWITCH BANK Turn the ignition off. Disconnect the Switch Bank harness connector. Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display DTC: B10C4-HEATED STEERING WHEEL CONTROL CIRCUIT as active? Yes Go To 3 . No Replace the Switch Bank in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) .
3. (C93) HEATED STEERING WHEEL CONTROL CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the Cluster C1 harness connector. Measure the resistance between ground and the (C93) Heated Steering Wheel Control circuit at the Switch Bank harness connector. Is the resistance below 10K Ohms? Yes Repair the short to ground on the (C93) Heated Steering Wheel Control circuit. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . No Replace the Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) .

1. CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, read 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.
2. CHECK FOR AN INTERNALLY SHORTED SWITCH BANK Turn the ignition off. Disconnect the Switch Bank harness connector. Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display DTC: B10C6-HEATED STEERING WHEEL CONTROL CIRCUIT HIGH as active? Yes Go To 3 . No Replace the Switch Bank in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) .
3. (C93) HEATED STEERING WHEEL CONTROL CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Cluster C1 harness connector. Turn the ignition on. Measure the voltage of the (C93) Heated Steering Wheel Control circuit at the Switch Bank harness connector. Is voltage present? Yes Repair the short to voltage on the (C93) Heated Steering Wheel Control circuit. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . No Replace the Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) .

1. CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, read 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.
2. CHECK VOLTAGE AT THE SWITCH BANK HARNESS CONNECTOR Turn the ignition off. Disconnect the Switch Bank harness connector. Turn the ignition on. Measure the voltage of the (C93) Heated Steering Wheel Control circuit at the Switch Bank harness connector. Is the voltage above 10.0 volts? Yes Replace the Switch Bank in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . No Go To 3 .
3. (C93) HEATED STEERING WHEEL CONTROL CIRCUIT OPEN Turn the ignition off. Disconnect the Cluster C1 harness connector. Measure the resistance of the (C93) Heated Steering Wheel Control circuit between the Cluster C1 and Switch Bank harness connectors. Is the resistance above 5.0 Ohms? Yes Repair the open in the (C93) Heated Steering Wheel Control circuit. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . No Replace the Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) .

1. CHECK FOR ACTIVE DTC NOTE: The Cluster performs internal tests on the Airbag Lamp during each ignition cycle. With the scan tool, erase DTCs. Turn the ignition off, wait 10 seconds, then turn the ignition on. Wait for the Cluster to perform the bulb check. With the scan tool, read DTCs. Is the DTC active? Yes Replace and program the Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . No Test complete.

1. CHECK FOR AN ACTIVE DTC NOTE: The Cluster performs internal tests on the Airbag Lamp during each ignition cycle. With the scan tool, erase DTCs. Turn the ignition off, wait 10 seconds, then turn the ignition on. Wait for the Cluster to perform the bulb check. With the scan tool, read DTCs. Is the DTC active? Yes Replace and program the Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . No Test complete.

Scheme 145

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

1. CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC) Turn the ignition on. With the scan tool, read 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.
2. (M24) COURTESY LAMPS DRIVER CIRCUIT SHORT TO GROUND Turn the ignition off. Disconnect the Cluster C3 connector. Measure the resistance between ground and the (M24) Courtesy Lamp Driver circuit at the Cluster C3 harness connector. Is the resistance below 5.0 Ohms? Yes Repair the (M24) Courtesy lamp Driver circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . No Replace the Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) .

Scheme 146

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

1. CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC) Turn the ignition on. With the scan tool, read 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 «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) .
2. (M27) READING/RAIL LAMPS DRIVER SHORTED TO GROUND Turn the ignition off. Disconnect the Cluster C3 harness connector. Measure the resistance between ground and the (M27) Reading/Rail Lamps Driver circuit at the Cluster C3 harness connector. Is the resistance below 5.0 Ohms? Yes Repair the (M27) Reading/Rail Lamps Driver circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . No Replace the Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) .

1. CHECK FOR AN ACTIVE DTC Turn the ignition on. Turn the Headlamps on. Press the Fog Lamps Switch three times. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Replace the Headlamp Switch in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . 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.

Scheme 147

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

1. TEST FOR INTERMITTENT CONDITION With the scan tool, record and erase DTCs Operate the Driver Door Lock Switch in all positions several times. Turn the ignition on and wait 30 seconds. With the scan tool, read DTCs. Does the scan tool display B1803-DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK LOCK? 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. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) .
2. DOOR LOCK SWITCH SHORTED With the scan tool, erase DTCs. Disconnect the Driver Window/Door Lock Switch connector. With the scan tool, read DTCs. Does the scan tool display B1803-DRIVER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK LOCK? No Replace the Driver Window/Door Lock Switch. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . Yes Go To 3 .
3. (G161) DRIVER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO GROUND Turn the ignition off. Disconnect the Cluster C1 connector. Measure the resistance between ground and the (G161) Driver Door Lock Switch Mux circuit. Is the resistance below 10, 000.0 ohms? Yes Repair the (G161) Driver Door Lock Switch Mux circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . No Go To 4 .
4. (G161) DRIVER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO (G167) DRIVER DOOR LOCK SWITCH RETURN CIRCUIT Disconnect the Cluster C2 connector. Measure the resistance between the (G161) Driver Door Lock Switch Mux circuit and the (G167) Driver Door Lock Switch Return circuit in the Cluster C2 connector. Is the resistance below 10, 000.0 ohms? Yes Repair the (G161) Driver Door Lock Switch Mux circuit for a short to the (G167) Driver Door Lock Switch Return circuit. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . No Replace the Instrument Cluster in accordance with service information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) .

1. CHECK FOR AN ACTIVE DTC Turn the ignition on. Operate the Door Lock Switch in all positions several times. With the scan tool, read 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.
2. DOOR LOCK SWITCH SHORTED Turn the ignition off. Disconnect the Driver Window/Door Lock Switch connector. Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display this DTC as active? No Replace the Driver Window/Door Lock Switch in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . Yes Go To 3 .
3. (G161) DRIVER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO GROUND Turn the ignition off. Disconnect the Cluster C1 connector. Measure the resistance between ground and the (G161) Driver Door Lock Switch MUX circuit. Is the resistance below 10K Ohms? Yes Repair the (G161) Driver Door Lock Switch MUX circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . No Go To 4 .
4. (G161) DRIVER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO (G167) DRIVER DOOR LOCK SWITCH RETURN CIRCUIT Disconnect the Cluster C2 harness connector. Measure the resistance between the (G161) Driver Door Lock Switch MUX circuit (in the C1 connector) and the (G167) Driver Door Lock Switch Return circuit (in the Cluster C2 connector). Is the resistance below 10K Ohms? Yes Repair the (G161) Driver Door Lock Switch MUX circuit for a short to the (G167) Driver Door Lock Switch Return circuit. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . No Replace the Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) .

Scheme 148

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

1. TEST FOR INTERMITTENT CONDITION With the scan tool, record and erase DTCs Operate the Passenger Door Lock Switch in all positions several times. Turn the ignition on and wait 30 seconds. With the scan tool, read DTCs. Does the scan tool display B1808-PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK LOCK? 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. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) .
2. DOOR LOCK SWITCH SHORTED With the scan tool, erase DTCs. Disconnect the Passenger Window/Door Lock Switch connector. With the scan tool, read DTCs. Does the scan tool display B1808-PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK LOCK? No Replace the Passenger Window/Door Lock Switch. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . Yes Go To 3 .
3. (G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO GROUND Turn the ignition off. Disconnect the Cluster C1 connector. Measure the resistance between ground and the (G160) Passenger Door Lock Switch Mux circuit. Is the resistance below 10, 000.0 ohms? Yes Repair the (G160) Passenger Door Lock Switch Mux circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . No Go To 4 .
4. (G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO (P37) PASSENGER DOOR LOCK SWITCH RETURN CIRCUIT Disconnect the Cluster C2 connector. Measure the resistance between the (G160) Passenger Door Lock Switch Mux circuit (in the C1 connector) and the (P37) Passenger Door Lock Switch Return circuit (in the C2 connector). Is the resistance below 10, 000.0 ohms? Yes Repair the (G160) Passenger Door Lock Switch Mux circuit for a short to the (P37) Passenger Door Lock Switch Return circuit. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . No Replace the Instrument Cluster in accordance with service information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) .

1. TEST FOR INTERMITTENT CONDITION With the scan tool, record and erase DTCs. Operate the Passenger Door Lock Switch in all positions several times. Turn the ignition on and wait 30 seconds. With the scan tool, read DTCs. Does the scan tool display B1809-PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK UNLOCK? 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. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) .
2. DOOR LOCK SWITCH SHORTED With the scan tool, erase DTCs. Disconnect the Passenger Window/Door Lock Switch connector. With the scan tool, read DTCs. Does the scan tool display B1809-PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK UNLOCK? No Replace the Passenger Window/Door Lock Switch. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . Yes Go To 3 .
3. (G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO GROUND Turn the ignition off. Disconnect the Cluster C1 connector. Measure the resistance between ground and the (G160) Passenger Door Lock Switch Mux circuit. Is the resistance below 10, 000.0 Ohms? Yes Repair the (G160) Passenger Door Lock Switch Mux circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . No Go To 4 .
4. (G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO (P37) PASSENGER DOOR LOCK SWITCH RETURN CIRCUIT Disconnect the Cluster C2 connector. Measure the resistance between the (G160) Passenger Door Lock Switch Mux circuit (in the C1 connector) and the (P37) Passenger Door Lock Switch Return circuit (in the C2 connector). Is the resistance below 10, 000.0 Ohms? Yes Repair the (G160) Passenger Door Lock Switch Mux circuit for a short to the (P37) Passenger Door Lock Switch Return circuit. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) . No Replace the Instrument Cluster in accordance with service information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S01583902142012072600000) .

Scheme 149

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

1. CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display this DTC as active? YES Replace the Cluster in accordance with the Service Information. Perform BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-489354-S40173642412012072600000) . 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.

Scheme 150

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

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 «U0019-CAN B BUS»(ref-489354-S06453012102012072600000) and perform the U0019-CAN B BUS diagnostic procedure. No Refer to «COMMUNICATION - DIAGNOSIS AND TESTING»(ref-489311-S04448603792012072600000) and perform the Stored Lost Communication DTCs diagnostic procedure.

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 «U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM)»(ref-489354-S33505642562012072600000) and perform the U0141-Lost Communication with IPM (FCM/TIPM) diagnostic procedure. No Refer to «COMMUNICATION - DIAGNOSIS AND TESTING»(ref-489311-S04448603792012072600000) and perform the Stored Lost Communication DTCs diagnostic procedure.

1. VERIFY THE DIAGNOSTIC TROUBLE CODE (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 «U0151-LOST COMMUNICATION WITH OCCUPANT RESTRAINT CONTROLLER (ORC)»(ref-489354-S12780026062012072600000) and perform the U0151-Lost Communication with Occupant Restraint Controller (ORC) diagnostic procedure. No Refer to «COMMUNICATION - DIAGNOSIS AND TESTING»(ref-489311-S04448603792012072600000) and perform the Stored Lost Communication DTCs diagnostic procedure.

1. VERIFY THE DIAGNOSTIC TROUBLE CODE (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 «U0164-LOST COMMUNICATION WITH HVAC CONTROL MODULE»(ref-489354-S31402295372012072600000) and perform the U0164-Lost Communication with HVAC Control Module diagnostic procedure. No Refer to «COMMUNICATION - DIAGNOSIS AND TESTING»(ref-489311-S04448603792012072600000) and perform the Stored Lost Communication DTCs diagnostic procedure.

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 «U0168-LOST COMMUNICATION WITH VEHICLE SECURITY CONTROL MODULE (WIN)»(ref-489354-S18261047282012072600000) and perform the U0168-Lost Communication with Vehicle Security Control Module (WIN) diagnostic procedure. No Refer to «COMMUNICATION - DIAGNOSIS AND TESTING»(ref-489311-S04448603792012072600000) and perform the Stored Lost Communication DTCs diagnostic procedure.

1. VERIFY THE DIAGNOSTIC TROUBLE CODE (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 the active DTCs. Is this DTC active? Yes Refer to «U0184-LOST COMMUNICATION WITH RADIO»(ref-489354-S40646992672012072600000) and perform the U0184-Lost Communication with Radio diagnostic procedure. No Refer to «COMMUNICATION - DIAGNOSIS AND TESTING»(ref-489311-S04448603792012072600000) and perform the Stored Lost Communication DTCs diagnostic procedure.

1. VERIFY THE DIAGNOSTIC TROUBLE CODE (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 the active DTCs. Is this DTC active? Yes Refer to «U0195-LOST COMMUNICATION WITH SDARS»(ref-489332-S16605257802012072600000) and perform the U0195-Lost Communication with SDAR diagnostic procedure. No Refer to «COMMUNICATION - DIAGNOSIS AND TESTING»(ref-489311-S04448603792012072600000) and perform the Stored Lost Communication DTCs diagnostic procedure.

1. VERIFY THE DIAGNOSTIC TROUBLE CODE (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 the active DTCs. Is this DTC active? Yes Refer to «U0197-LOST COMMUNICATION WITH HANDS FREE PHONE MODULE (HFM)»(ref-489354-S05516118462012072600000) and perform the U0197-Lost Communication with Hands Free Phone Module diagnostic procedure. No Refer to «COMMUNICATION - DIAGNOSIS AND TESTING»(ref-489311-S04448603792012072600000) and perform the Stored Lost Communication DTCs diagnostic procedure.

1. VERIFY THE DIAGNOSTIC TROUBLE CODE (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 the active DTCs. Is this DTC active? Yes Refer to «U0208-LOST COMMUNICATION WITH HEATED SEAT CONTROL MODULE»(ref-489332-S09459434412012072600000) and perform the U0208-Lost Communication with Heated Seat Control Module diagnostic procedure. No Refer to «COMMUNICATION - DIAGNOSIS AND TESTING»(ref-489311-S04448603792012072600000) and perform the Stored Lost Communication DTCs diagnostic procedure.

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 the active DTCs. Is this DTC active? Yes Refer to «U0212-LOST COMMUNICATION WITH SCM»(ref-489354-S12016381862012072600000) and perform the U0212-Lost Communication with SCM diagnostic procedure. No Refer to «COMMUNICATION - DIAGNOSIS AND TESTING»(ref-489311-S04448603792012072600000) and perform the Stored Lost Communication DTCs diagnostic procedure.