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Electronic Control Modules - Electrical Diagnostics: Diagnosis Dodge Charger V

Communication Devices 6 illustrations ~11464 words

DIAGNOSTIC CODE INDEX

DTCDescription
B210DBATTERY VOLTAGE LOW
B210EBATTERY VOLTAGE HIGH
B21125 VOLT SUPPLY CIRCUIT LOW
B21135 VOLT SUPPLY CIRCUIT HIGH
B2206CURRENT VIN MISSING/MISMATCH
B2215FRONT CONTROL MODULE INTERNAL
B222CVEHICLE CONFIGURATION NOT PROGRAMMED
U0001CAN C BUS
U0019CAN B BUS
U0100LOST COMMUNICATION WITH ECM/PCM
U0101LOST COMMUNICATION WITH TCM
U0103LOST COMMUNICATION WITH ELECTRIC GEAR SHIFT MODULE
U0121LOST COMMUNICATION WITH ANTI-LOCK BRAKE MODULE
U0141LOST COMMUNICATION WITH FRONT CONTROL MODULE
U0143LOST COMMUNICATION WITH MULTI-PURPOSE MODULE (POLICE AND TAXI INTERFACE MODULE) (PTIM)
U0151LOST COMMUNICATION WITH OCCUPANT RESTRAINT CONTROLLER (ORC)
U0154LOST COMMUNICATION WITH OCCUPANT CLASSIFICATION MODULE
U0155LOST COMMUNICATION WITH CLUSTER/CCN
U0156LOST COMMUNICATION WITH EOM
U0159LOST COMMUNICATION WITH PARK ASSIST CONTROL MODULE
U0164LOST COMMUNICATION WITH HVAC CONTROL MODULE
U0167LOST COMMUNICATION WITH INTRUSION TRANSCEIVER CONTROL MODULE
U0168LOST COMMUNICATION WITH VEHICLE SECURITY CONTROL MODULE (SKREEM/WCM)
U0169LOST COMMUNICATION WITH SUNROOF CONTROL MODULE
U0181LOST COMMUNICATION WITH HEADLAMP LEVELING TRANSLATOR
U0184LOST COMMUNICATION WITH RADIO
U0186LOST COMMUNICATION WITH AUDIO AMPLIFIER
U0193LOST COMMUNICATION WITH TRAFFIC INFORMATION RECEIVER MODULE
U0195LOST COMMUNICATION WITH SDARS
U0196LOST COMMUNICATION WITH VEHICLE ENTERTAINMENT CONTROL MODULE
U0197LOST COMMUNICATION WITH HANDS FREE PHONE MODULE
U0199LOST COMMUNICATION WITH DRIVER DOOR MODULE
U0200LOST COMMUNICATION WITH PASSENGER DOOR MODULE
U0208LOST COMMUNICATION WITH HEATED SEAT CONTROL MODULE
U0209LOST COMMUNICATION WITH MEMORY SEAT CONTROL MODULE
U0212LOST COMMUNICATION WITH SCCM - CAN B
U0231LOST COMMUNICATION WITH RAIN SENSING MODULE
U1105CAN B SIGNAL MISSING
U1106CAN C SIGNAL MISSING
U1107ECU IN SINGLE-WIRE MODE
U1108ADDITIONAL CAN B ECU DETECTED
U110ALOST COMMUNICATION WITH SCCM - CAN C

DIAGNOSTIC CODE INDEX

Diagnostic Test

  1. 1) CHECK FOR ANY POWERTRAIN CONTROL MODULES DTCS NOTE: Make sure the Battery is in good condition. Using the Midtronics Battery Tester, test the Battery before continuing. NOTE: Inspect the vehicle for after market accessories that may exceed the Generator System output. NOTE: Make sure the generator drive belt is in good operating condition. NOTE: Inspect the fuses in the IPM. If an open fuse is found, use the wire diagram/schematic as a guide, inspect the wiring and connectors for damage. Turn the ignition on. With the scan tool, read active PCM DTC's. Does the scan tool display any active PCM DTCs? Yes Refer to «DIAGNOSTIC CODE INDEX»(ref-255953-S18327327412007060500000) for the diagnostic test procedure. No Check the above conditions that can cause a low voltage condition. Repair as necessary. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) CHECK FOR ANY POWERTRAIN CONTROL MODULES DTCS NOTE: Make sure the Battery is in good condition. Using the Midtronics Battery Tester, test the Battery before continuing. NOTE: Inspect the vehicle for after market accessories that may exceed the Generator System output. NOTE: Make sure the generator drive belt is in good operating condition. NOTE: Inspect the fuses in the IPM. If an open fuse is found, use the wire diagram/schematic as a guide, inspect the wiring and connectors for damage. Turn the ignition on. With the scan tool, read active PCM DTC's. Does the scan tool display any active PCM DTCs? Yes Refer to «DIAGNOSTIC CODE INDEX»(ref-255953-S18327327412007060500000) for the diagnostic test procedure. No Check the above conditions that can cause a high voltage condition. Repair as necessary. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .

Scheme 36

Scheme 36: Circuit Schematic
Scheme 36: Circuit Schematic
  1. 1) CHECK FOR ACTIVE DTC With the scan tool, read the active DTC's. Cycle the ignition switch from off to on at least 5 times, leaving the ignition on for a minimum of 90 seconds per cycle. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To 2) . No If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
  2. 2) CHECK VIN IN PCM With the scan tool compare the VIN that is programmed into the PCM to the VIN on the vehicle. Does the VIN programmed into the PCM match the vehicles VIN? Yes Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Front Control Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Program the correct VIN in the PCM and retest.
  1. 1) REPLACE THE FRONT CONTROL MODULE IF DTC IS ACTIVE With the scan tool, read the active FCM DTC's. Does the scan tool display this DTC as active? Yes Replace and program the Front Control Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
  1. 1) CHECK FOR ACTIVE DTC With the scan tool, read the active DTC's. Cycle the ignition switch from off to on at least 5 times, leaving the ignition on for a minimum of 90 seconds per cycle. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To 2) . No If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
  2. 2) CONFIGURE THE FCM TO THE VEHICLE With the scan tool enter program network configuration and program the FCM to the vehicle configuration. With the scan tool, erase FCM DTC's. Cycle the ignition switch from off to on at least 5 times, leaving the ignition on for a minimum of 90 seconds per cycle. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Front Control Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Repair is complete.

Scheme 37

Scheme 37: Circuit Schematic
Scheme 37: Circuit Schematic
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read all active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to the «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE ECM/PCM IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the ECM/PCM is active on the bus. Is the ECM/PCM active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the ECM/PCM? Yes Replace/update the ECM/PCM in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read all active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE TCM IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the TCM is active on the bus. Is the TCM active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the TCM? Yes Replace/update the TCM in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read all active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE SHIFTER LEVER ASSEMBLY (NAG 1 ONLY) OR IF APPLICABLE THE ELECTRONIC SHIFT MODULE (COLUMN NAG 1) IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the Shifter Lever Assembly (NAG 1 Only) or if applicable the Electronic Shift Module (Column NAG 1) is active on the bus. Is the Shifter Lever Assembly (NAG 1 Only) or if applicable the Electronic Shift Module (Column NAG 1) active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the Shifter Lever Assembly (NAG 1 Only) or if applicable the Electronic Shift Module (Column NAG 1)? Yes Replace/update the Shifter Lever Assembly (NAG 1 Only) or if applicable the Electronic Shift Module (Column NAG 1) in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read all active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE ABS IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the ABS is active on the bus. Is the ABS active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the ABS? Yes Replace/update the Antilock Brake Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read all active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE FCM IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the FCM is active on the bus. Is the FCM active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the FCM? Yes Replace/update the Front Control Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE MPM (PTIM) IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the MPM (PTIM) is active on the bus. Is the MPM (PTIM) active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the MPM (PTIM)? Yes Replace/update the Multi-Purpose Module (PTIM) in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read all active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE ORC IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the ORC is active on the bus. Is the ORC active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the ORC? Yes Replace/update the Occupant Restraint Controller in accordance with the service information. Perform «*ORC VERIFICATION TEST - VER 1»(ref-256029-S29649165752007060500000) . No Replace/update the module that set this DTC in accordance with the service information Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE OCM IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the OCM is active on the bus. Is the OCM active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the OCM? Yes Replace/update the Occupant Classification Module in accordance with the service information. Perform «*ORC VERIFICATION TEST - VER 1»(ref-256029-S29649165752007060500000) . No Replace/update the module that set this DTC in accordance with the service information Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE CCN IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the CCN is active on the bus. Is the CCN active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the CCN? Yes Replace/update the Cluster (CCN) in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read all active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE EOM IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the EOM is active on the bus. Is the EOM active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the EOM? Yes Replace/update the Electronic Overhead Module (EOM) in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read all active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE PTS IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the PTS is active on the bus. Is the PTS active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the PTS? Yes Replace/update the Park Assist Module (PTS) in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE HVAC IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the HVAC is active on the bus. Is the HVAC active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the HVAC? Yes Replace/update the A/C Heater Control in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set the DTC in accordance with the service information Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE ITM IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the ITM is active on the bus. Is the ITM active on the bus? Yes Go To 4) . No Refer to the No Response test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the ITM? Yes Replace/update the Intrusion Transceiver Control Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set the DTC in accordance with the service information Perform the appropriate VERIFICATION TEST.
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE WCM IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the WCM is active on the bus. Is the WCM active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the WCM? Yes Replace/update the Sentry Key Remote Entry Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE SUNR IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the SUNR is active on the bus. Is the SUNR active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the SUNR? Yes Replace/update the Sunroof Control Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE HIDT IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the HIDT is active on the bus. Is the HIDT active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the HIDT? Yes Replace/update the Headlamp Leveling Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE RADIO IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the Radio is active on the bus. Is the Radio active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the Radio? Yes Replace/update the Radio in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE AMPLIFIER IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the Amplifier is active on the bus. Is the Amplifier active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the Amplifier? Yes Replace/update the Amplifier in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .

Scheme 38

Scheme 38: Circuit Schematic
Scheme 38: Circuit Schematic
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE SATELLITE RECEIVER IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the SDARS is active on the bus. Is the SDARS active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the SDARS? Yes Replace/update the Satellite Receiver in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set the DTC in accordance with the service information Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE VES IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the VES is active on the bus. Is the VES active on the bus? Yes Go To 4) . No Refer to the No Response test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the VES? Yes Replace/update the Monitor/DVD Media System in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE HFM IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the HFM is active on the bus. Is the HFM active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the HFM? Yes Replace/update the Hands Free Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE DDM IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the DDM is active on the bus. Is the DDM active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the DDM? Yes Replace/update the Driver Door Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE PDM IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the PDM is active on the bus. Is the PDM active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the PDM? Yes Replace/update the Passenger Door Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE HSM IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the HSM is active on the bus. Is the HSM active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the HSM? Yes Replace/update the Heated Seat Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE MSMD IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the MSMD is active on the bus. Is the MSMD active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the MSMD? Yes Replace/update the Memory Seat Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE SCM IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the SCM is active on the bus. Is the SCM active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the SCM? Yes Replace/update the Steering Control Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE LRSM IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the LRSM is active on the bus. Is the LRSM active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the LRSM? Yes Replace/update the Rain Sensor in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .

Scheme 39

Scheme 39: Circuit Schematic
Scheme 39: Circuit Schematic
  1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase FCM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active FCM DTC's. Does the scan tool display U1106-CAN C SIGNAL MISSING 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. 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 FCM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active FCM DTC's. Does the scan tool display U1106-CAN C SIGNAL MISSING 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 - VER 1»(ref-255955-S35331477802007060500000) .
  3. 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 FCM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active FCM DTC's. Does the scan tool display U1106-CAN C SIGNAL MISSING 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-255961-S21247958582007060500000) .
  4. 4) SHIFTER LEVER ASSEMBLY (NAG1 ONLY) OR ELECTRONIC SHIFT MODULE (COLUMN NAG1) - INTERNAL SHORT Turn the ignition off. NOTE: If the vehicle is not equipped with a NAG1 controller then skip this step. Disconnect the Shifter Lever Assembly or Electronic Shift Module harness connector. Turn the ignition on. With the scan tool, record and erase FCM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active FCM DTC's. Does the scan tool display U1106-CAN C SIGNAL MISSING as active? Yes Go To 5) . No Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Shifter Lever Assembly in accordance with the service information. Perform «NAG1 TRANSMISSION VERIFICATION TEST»(ref-256186-S37466248292007061100000) .
  5. 5) TRANSMISSION CONTROL MODULE (NAG1 ONLY) - INTERNAL SHORT Turn the ignition off. NOTE: If the vehicle is not equipped with a NAG1 controller then skip this step. Disconnect the Transmission Control Module C2 harness connector. Turn the ignition on. With the scan tool, record and erase FCM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active FCM DTC's. Does the scan tool display U1106-CAN C SIGNAL MISSING as active? Yes Go To 7) . No Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Transmission Control Module in accordance with the service information. Perform «NAG1 TRANSMISSION VERIFICATION TEST»(ref-256186-S37466248292007061100000) .
  6. 6) ENGINE CONTROL MODULE (DIESEL) - INTERNAL SHORT Turn the ignition off. Disconnect the Engine Control Module C2 harness connector. Turn the ignition on. With the scan tool, record and erase FCM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active FCM DTC's. Does the scan tool display U0001-CAN C BUS as active? Yes Go To 7) . 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.
  7. 7) STEERING CONTROL MODULE - INTERNAL SHORT Turn the ignition off. Disconnect the Steering Control Module harness connector. Turn the ignition on. With the scan tool, record and erase FCM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active FCM DTC's. Does the scan tool display U1106-CAN C SIGNAL MISSING as active? Yes Go To 8) . No Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Steering Control Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  8. 8) (D65) CAN C BUS (+) CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Front Control Module C1 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. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 9) .
  9. 9) (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. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 10) .
  10. 10) (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. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 11) .
  11. 11) (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. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 12) .
  12. 12) (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. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Front Control Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) RECONFIGURE THE FRONT CONTROL MODULE Turn the ignition on. With the scan tool, select network view and press the gateway button. This will list the CAN modules on the vehicle. Read and record the listed modules. With the scan tool, select FCM, miscellaneous functions then add/remove ECUs. With the scan tool, add or remove the module that was not configured in the FCM. With the scan tool, erase DTC's. Cycle the ignition from on to off 3 times and read the active FCM DTC's. Does the scan tool display this DTC as active? Yes Retest system and attempt to reconfigure the FCM. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Repair is complete. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Is this DTC active? Yes Go To 2) . No Refer to the Stored Lost Communication test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS With the scan tool, read active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Diagnose and repair the DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To 3) .
  3. 3) VERIFY THAT THE SCM IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the SCM is active on the bus. Is the SCM active on the bus? Yes Go To 4) . No Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) for a no response test procedure. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS With the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the SCM? Yes Replace/update the Steering Control Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Replace/update the module that set this DTC in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  1. 1) VERIFY DTC IS STORED NOTE: Stored faults may indicate a customer perceived intermittent condition. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read stored DTCs. Is this DTC stored? Yes Go To step 2) . No Diagnose the active DTC. Refer to «DIAGNOSTIC CODE INDEX»(ref-255952-S36405998082007060500000) . Perform «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  2. 2) CHECK THE ENVIRONMENTAL DATA With the scan tool, read the loss of communication environmental data. Does the loss of communication environmental odometer data match up to any of the previous service procedures listed in the possible causes or are there any stored CAN B or C hardware electrical, battery, ignition voltage, VIN missing/mismatch, FCM configuration DTCs present with match environmental data? Yes These DTCs may have been the result of other service procedures performed. Clear DTCs. Perform «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Go To step 3) .
  3. 3) VERIFY INTERMITTENT LOST COMMUNICATION DTC-WIRING CONCERNS Turn the ignition on. With the scan tool, select Network View and select Advanced. Is there more than one ECU with stored DTCs "Logged Against" the module and one or more lost communication DTCs stored in the offending module? Yes Verify if the vehicle was recently in for this type of service. Otherwise, visually inspect the related wiring harness for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals. Repair as necessary. No Go To step 4) .
  4. 4) VERIFY INTERMITTENT LOST COMMUNICATION DTC-OFFENDING MODULE Turn the ignition on. With the scan tool, select Network View and select Advanced. Is there more than one ECU with stored DTCs "Logged Against" the module and NO lost communication DTCs stored in the offending module? Yes Check for TSB related to this offending module. No Go To step 5) .
  5. 5) VERIFY INTERMITTENT LOST COMMUNICATION DTC-REPORTING MODULE Turn the ignition on. With the scan tool, select Network View and select Advanced. Is there ONLY ONE ECU with stored DTCs "Logged Against" the module? Yes Check for TSB related to the module that set this DTC. No Verify if the vehicle was recently in for this type of service. Otherwise, visually inspect the related wiring harness for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals. Repair as necessary.

Scheme 40

Scheme 40: Circuit Schematic
Scheme 40: Circuit Schematic
  1. 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. 2) (D72) CAN C DIAGNOSTIC (+) CIRCUIT OPEN Turn the ignition off. Disconnect the Front Control Module C1 harness connector. Disconnect the scan tool from the DLC. NOTE: Check the connectors at both the DLC and the FCM. Measure the resistance of the (D72) CAN C Diagnostic (+) circuit between the FCM connector and the DLC. Is the resistance below 5.0 ohms? Yes Go To step 3) . No Repair the (D72) CAN C Diagnostic (+) circuit for an open. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .
  3. 3) (D71) CAN C DIAGNOSTIC (-) CIRCUIT OPEN Measure the resistance of the (D71) CAN C Diagnostic (-) circuit between the FCM 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 Front Control Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) . No Repair the (D71) CAN C Diagnostic (-) circuit for an open. Perform BODY VERIFICATION TEST - VER 1. «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-255944-S31737016002007060500000) .

Scheme 41

Scheme 41: Circuit Schematic
Scheme 41: Circuit Schematic

More articles — Electronic Control Modules - Electrical Diagnostics