Electronic Control Modules - Electrical Diagnostics: Diagnosis Dodge Caliber I

DIAGNOSTIC CODE INDEX

DIAGNOSTIC CODE INDEX

Scheme 1

Diagnostic Test

1. 1) TEST FOR INTERMITTENT CONDITION NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. Turn the ignition on. With the scan tool, record and erase TIPM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active TIPM DTC's. Does the scan tool display this DTC as active? Yes Go to step 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) CHECK THE (D55) CAN B BUS (+) CIRCUIT FOR A SHORT TO THE (D54) CAN B BUS (-) CIRCUIT Turn the ignition off. Disconnect the Totally Integrated Power Module C3 harness connector. Measure the resistance between the (D55) CAN B Bus (+) circuit and (D54) CAN B Bus (-) circuit. Is resistance below 1000.0 ohms? Yes Go to step 3) . No Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Totally Integrated Power Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .
3. 3) (D55) CAN B BUS (+) CIRCUIT SHORTED TO THE (D54) CAN B BUS (-) CIRCUIT Measure the resistance between the (D55) CAN B Bus (+) circuit and (D54) CAN B Bus (-) circuit. While monitoring the ohmmeter, disconnect each CAN B Bus module one at a time. NOTE: This is to determine if the circuits are shorted together internally within a module or if the circuits are shorted together in the harness. NOTE: Disconnecting an in-line connector can eliminate a module or group of modules from the list of possible causes for this fault. Refer to the wring diagrams to assist in diagnosis. Is resistance below 1000.0 ohms with all the CAN B Bus modules disconnected? Yes Repair the (D55) CAN B Bus (+) circuit for a short to the (D54) CAN B Bus (-) circuit. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Replace the module, in accordance with the service information, that when disconnected eliminated the shorted together circuits. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .

1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. With the scan tool, read active DTC's. Is this DTC active? Yes Go to step 2) . No Refer to the Stored Lost Communication test procedure. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .
2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTC'S With the scan tool, read all active DTC's from all modules. NOTE: Check for TIPM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTC's. Does the scan tool display any active DTC's to the conditions listed above? Yes Diagnose and repair the DTC. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Go to step 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 step 4) . No Diagnose and repair the DTC. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .
4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTC'S With the scan tool, select Network View and select Advanced. Is there more than one module with active DTC's "Logged Against" the ECM/PCM? Yes Replace/update the ECM/PCM in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Replace/update the module that set this DTC in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .

1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. With the scan tool, read active DTC's. Is this DTC active? Yes Go to step 2) . No Refer to the Stored Lost Communication test procedure. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .
2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTC'S With the scan tool, read all active DTC's from all modules. NOTE: Check for TIPM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTC's. Does the scan tool display any active DTC's to the conditions listed above? Yes Diagnose and repair the DTC. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Go to step 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 step 4) . No Diagnose and repair the DTC. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .
4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTC'S With the scan tool, select Network View and select Advanced. Is there more than one module with active DTC's "Logged Against" the TCM? Yes Replace/update the TCM in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Replace/update the module that set this DTC in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .

Scheme 2

1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. With the scan tool, read active DTC's. Is this DTC active? Yes Go to step 2) . No Refer to the Stored Lost Communication test procedure. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .
2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTC'S With the scan tool, read all active DTC's from all modules. NOTE: Check for TIPM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTC's. Does the scan tool display any active DTC's to the conditions listed above? Yes Diagnose and repair the DTC. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Go to step 3) .
3. 3) VERIFY THAT THE AWD IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the AWD is active on the bus. Is the AWD active on the bus? Yes Go to step 4) . No Diagnose and repair the DTC. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .
4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTC'S With the scan tool, select Network View and select Advanced. Is there more than one module with active DTC's "Logged Against" the AWD? Yes Replace/update the All Wheel Drive Control (AWD) Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Replace/update the module that set this DTC in accordance with the service information Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .

1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. With the scan tool, read active DTC's. Is this DTC active? Yes Go to step 2) . No Refer to the Stored Lost Communication test procedure. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .
2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTC'S With the scan tool, read all active DTC's from all modules. NOTE: Check for TIPM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTC's. Does the scan tool display any active DTC's to the conditions listed above? Yes Diagnose and repair the DTC. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Go to step 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 step 4) . No Diagnose and repair the DTC. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .
4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTC'S With the scan tool, select Network View and select Advanced. Is there more than one module with active DTC's "Logged Against" the ABS? Yes Replace/update the Antilock Brake Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Replace/update the module that set this DTC in accordance with the service information Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .

1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. Turn the ignition on. With the scan tool, read active DTC's. Is this DTC active? Yes Go to step 2) . No Perform the Stored Lost Communication test procedure. See «DIAGNOSIS AND TESTING»(ref-284875-S05531614152008051600000) .
2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTC'S With the scan tool, read all active DTC's from all CAN C Bus modules. NOTE: Check for CAN C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTC's. Does the scan tool display any active DTC's to the conditions listed above? Yes Diagnose and repair the DTC. No Go to step 3) .
3. 3) VERIFY THAT THE SAS IS ACTIVE ON THE BUS With the scan tool, select ECU View. Verify that the SAS is active on the bus. Is the SAS active on the bus? Yes Go to step 4) . No Perform the appropriate No Response diagnostic procedure. See «DIAGNOSIS AND TESTING»(ref-284875-S05531614152008051600000) .
4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTC'S With the scan tool, select Network View and select Advanced. Is there more than one module with active DTC's "Logged Against" the SAS? Yes Replace/update the Steering Angle Sensor (internal to the clockspring) in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Replace/update the module that set this DTC in accordance with the service information Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .

1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. With the scan tool, read active DTC's. Is this DTC active? Yes Go to step 2) . No Perform the Stored Lost Communication test procedure. See «DIAGNOSIS AND TESTING»(ref-284875-S05531614152008051600000) .
2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTC'S With the scan tool, read all active DTC's from all modules. NOTE: Check for TIPM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTC's. Does the scan tool display any active DTC's to the conditions listed above? Yes Diagnose and repair the DTC. No Go to step 3) .
3. 3) VERIFY THAT THE TIPM IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select ECU View. Verify that the TIPM is active on the bus. Is the TIPM active on the bus? Yes Go to step 4) . No Perform the appropriate No Response diagnostic procedure. See «DIAGNOSIS AND TESTING»(ref-284875-S05531614152008051600000) .
4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTC'S With the scan tool, select Network Diagnostics and select Advanced. Is there more than one module with active DTC's "Logged Against" the TIPM? Yes Replace/update the Totally Integrated Power Module (TIPM) in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Replace/update the module that set this 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. NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. With the scan tool, read active DTC's. Is this DTC active? Yes Go to step 2) . No Perform the Stored Lost Communication test procedure. See «DIAGNOSIS AND TESTING»(ref-284875-S05531614152008051600000) .
2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTC'S With the scan tool, read all active DTC's from all modules. NOTE: Check for TIPM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTC's. Does the scan tool display any active DTC's to the conditions listed above? Yes Diagnose and repair the DTC. No Go to step 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 step 4) . No Perform the appropriate No Response diagnostic procedure. See «DIAGNOSIS AND TESTING»(ref-284875-S05531614152008051600000) .
4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTC'S With the scan tool, select Network View and select Advanced. Is there more than one module with active DTC's "Logged Against" the ORC? Yes Replace/update the Occupant Restraint Controller in accordance with the service information. Perform «*AIRBAG SYSTEM VERIFICATION TEST - VER 1»(ref-284966-S15038634792008051600000) . Refer to «DIAGNOSIS AND TESTING»(ref-284889-S09564569592008051600000) . No Replace/update the module that set this DTC in accordance with the service information Perform «*OCM SYSTEM VERIFICATION TEST»(ref-284966-S33307848292008051600000) .

1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. With the scan tool, read active DTC's. Is this DTC active? Yes Go to step 2) . No Perform the Stored Lost Communication test procedure. See «DIAGNOSIS AND TESTING»(ref-284875-S05531614152008051600000) .
2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTC'S With the scan tool, read active DTC's from all modules. NOTE: Check for TIPM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTC's. Does the scan tool display any active DTC's to the conditions listed above? Yes Diagnose and repair the DTC. No Go to step 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 step 4) . No Perform the appropriate No Response diagnostic procedure. See «DIAGNOSIS AND TESTING»(ref-284875-S05531614152008051600000) .
4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTC'S With the scan tool, select Network View and select Advanced. Is there more than one module with active DTC's "Logged Against" the OCM? Yes Replace/update the Occupant Classification Module in accordance with the service information. Perform «*OCM SYSTEM VERIFICATION TEST»(ref-284966-S33307848292008051600000) . No Replace/update the module that set this 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. NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. With the scan tool, read active DTC's. Is this DTC active? Yes Go to step 2) . No Refer to the Stored Lost Communication test procedure. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .
2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTC'S With the scan tool, read active DTC's from all modules. NOTE: Check for TIPM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTC's. Does the scan tool display any active DTC's to the conditions listed above? Yes Diagnose and repair the DTC. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Go to step 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 step 4) . No Diagnose and repair the DTC. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .
4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTC'S With the scan tool, select Network View and select Advanced. Is there more than one module with active DTC's "Logged Against" the CCN? Yes Replace/update the Cluster (CCN) in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Replace/update the module that set this DTC in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .

1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. With the scan tool, read active DTC's. Is this DTC active? Yes Go to step 2) . No Perform the Stored Lost Communication test procedure. See «DIAGNOSIS AND TESTING»(ref-284875-S05531614152008051600000) .
2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTC'S With the scan tool, read active DTC's from all modules. NOTE: Check for TIPM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTC's. Does the scan tool display any active DTC's to the conditions listed above? Yes Diagnose and repair the DTC. No Go to step 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 step 4) . No Perform the appropriate No Response diagnostic procedure. See «DIAGNOSIS AND TESTING»(ref-284875-S05531614152008051600000) .
4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTC'S With the scan tool, select Network View and select Advanced. Is there more than one module with active DTC's "Logged Against" the ITM? Yes Replace/update the Intrusion Transceiver Control Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . 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. NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. With the scan tool, read active DTC's. Is this DTC active? Yes Go to step 2) . No Perform the Stored Lost Communication test procedure. See «DIAGNOSIS AND TESTING»(ref-284875-S05531614152008051600000) .
2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTC'S With the scan tool, read active DTC's from all modules. NOTE: Check for CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTC's. Does the scan tool display any active DTC's to the conditions listed above? Yes Diagnose and repair the DTC. No Go to step 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 step 4) . No Perform the appropriate No Response diagnostic procedure. See «DIAGNOSIS AND TESTING»(ref-284875-S05531614152008051600000) .
4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTC'S With the scan tool, select Network View and select Advanced. Is there more than one module with active DTC's "Logged Against" the WCM? Yes Replace/update the Sentry Key Remote Entry Module in accordance with the service information. Perform «SKREEM/SKIM VERIFICATION TEST»(ref-284896-S28815405812008051600000) . Refer to «STANDARD PROCEDURE»(ref-284896-S25132907402008051600000) . No Replace/update the module that set this 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. NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. With the scan tool, read active DTC's. Is this DTC active? Yes Go to step 2) . No Perform the Stored Lost Communication test procedure. See «DIAGNOSIS AND TESTING»(ref-284875-S05531614152008051600000) .
2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTC'S With the scan tool, read active DTC's from all modules. NOTE: Check for TIPM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTC's. Does the scan tool display any active DTC's to the conditions listed above? Yes Diagnose and repair the DTC. No Go to step 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 step 4) . No Perform the appropriate No Response diagnostic procedure. See «DIAGNOSIS AND TESTING»(ref-284875-S05531614152008051600000) .
4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTC'S With the scan tool, select Network View and select Advanced. Is there more than one module with active DTC's "Logged Against" the Radio? Yes Replace/update the Radio in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Replace/update the module that set this 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. NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. With the scan tool, read active DTC's. Is this DTC active? Yes Go to step 2) . No Perform the Stored Lost Communication test procedure. See «DIAGNOSIS AND TESTING»(ref-284875-S05531614152008051600000) .
2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTC'S With the scan tool, read active DTC's from all modules. NOTE: Check for TIPM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTC's. Does the scan tool display any active DTC's to the conditions listed above? Yes Diagnose and repair the DTC. No Go to step 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 step 4) . No Perform the appropriate No Response diagnostic procedure. See «DIAGNOSIS AND TESTING»(ref-284875-S05531614152008051600000) .
4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTC'S With the scan tool, select Network View and select Advanced. Is there more than one module with active DTC's "Logged Against" the Amplifier? Yes Replace/update the Amplifier in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Replace/update the module that set this DTC in accordance with the service information. Perform the appropriate VERIFICATION TEST.

Scheme 3

1. 1) VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. With the scan tool, read active DTC's. Is this DTC active? Yes Go to step 2) . No Perform the Stored Lost Communication test procedure. See «DIAGNOSIS AND TESTING»(ref-284875-S05531614152008051600000) .
2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTC'S With the scan tool, read active DTC's from all modules. NOTE: Check for TIPM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTC's. Does the scan tool display any active DTC's to the conditions listed above? Yes Diagnose and repair the DTC. No Go to step 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 step 4) . No Perform the appropriate No Response diagnostic procedure. See «DIAGNOSIS AND TESTING»(ref-284875-S05531614152008051600000) .
4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTC'S With the scan tool, select Network View and select Advanced. Is there more than one module with active DTC's "Logged Against" the SDARS? Yes Replace/update the Satellite Receiver in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . 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. NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. With the scan tool, read active DTC's. Is this DTC active? Yes Go to step 2) . No Perform the Stored Lost Communication test procedure. See «DIAGNOSIS AND TESTING»(ref-284875-S05531614152008051600000) .
2. 2) CHECK FOR ANY OF THE FOLLOWING ACTIVE DTC'S With the scan tool, read active DTC's from all modules. NOTE: Check for TIPM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTC's. Does the scan tool display any active DTC's to the conditions listed above? Yes Diagnose and repair the DTC. No Go to step 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 step 4) . No Perform the appropriate No Response diagnostic procedure. See «DIAGNOSIS AND TESTING»(ref-284875-S05531614152008051600000) .
4. 4) CHECK FOR ADDITIONAL COMMUNICATION RELATED DTC'S With the scan tool, select Network View and select Advanced. Is there more than one module with active DTC's "Logged Against" the HFM? Yes Replace/update the Hands Free Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Replace/update the module that set this DTC in accordance with the service information. Perform the appropriate VERIFICATION TEST.

Scheme 4

1. 1) TEST FOR INTERMITTENT CONDITION NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. Turn the ignition on. With the scan tool, record and erase TIPM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active TIPM DTC's. Does the scan tool display U1106-CAN C SIGNAL MISSING as active? Yes Go to step 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 TIPM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active TIPM DTC's. Does the scan tool display U1106-CAN C SIGNAL MISSING as active? Yes Go to step 3) . No Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Antilock Brake Module in accordance with the service information. Perform «ABS VERIFICATION TEST»(ref-284883-S17463573722008051600000) .
3. 3) POWERTRAIN OR ENGINE CONTROL MODULE - INTERNAL SHORT Turn the ignition off. Disconnect the Powertrain or Engine Control Module C1 harness connector. Turn the ignition on. With the scan tool, record and erase TIPM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active TIPM DTC's. Does the scan tool display U1106-CAN C SIGNAL MISSING as active? Yes Go to step 4) . No Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the Powertrain or Engine Control Module in accordance with the service information. Perform «PCM VERIFICATION TEST»(ref-284884-S21661367132008051600000) .
4. 4) TRANSMISSION CONTROL MODULE - INTERNAL SHORT Turn the ignition off. Disconnect the Transmission Control Module C1 harness connector. Turn the ignition on. With the scan tool, record and erase TIPM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active TIPM DTC's. Does the scan tool display U1106-CAN C SIGNAL MISSING as active? Yes Go to step 5) . 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 the appropriate TRANSMISSION VERIFICATION TEST.
5. 5) ALL WHEEL DRIVE CONTROL (AWD) MODULE - INTERNAL SHORT Turn the ignition off. Disconnect the AWD Module harness connector. Turn the ignition on. With the scan tool, record and erase TIPM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active TIPM DTC's. Does the scan tool display U0001-CAN C BUS as active? Yes Go to step 6) . No Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the All Wheel Drive Control (AWD) Module in accordance with the service information. Perform the appropriate VERIFICATION TEST.
6. 6) STEERING CONTROL MODULE (SAS) - INTERNAL SHORT Turn the ignition off. Disconnect the Steering Control Module (SAS) harness connector. Turn the ignition on. With the scan tool, record and erase TIPM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active TIPM DTC's. Does the scan tool display U1106-CAN C SIGNAL MISSING as active? Yes Go to step 7) . No Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the Steering Control Module (SAS) in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .
7. 7) (D65) CAN C BUS (+) CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the TIPM C3 harness connector. Turn the ignition on. Measure the voltage between the (D65) CAN C Bus (+) circuit and ground. Is there any voltage present? Yes Repair the (D65) CAN C Bus (+) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Go to step 8) .
8. 8) (D64) CAN C BUS (-) CIRCUIT SHORTED TO VOLTAGE Measure the voltage between the (D64) CAN C Bus (-) circuit and ground. Is there any voltage present? Yes Repair the (D64) CAN C Bus (-) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Go to step 9) .
9. 9) (D65) CAN C BUS (+) CIRCUIT SHORTED TO GROUND Turn the ignition off. Measure the resistance between ground and the (D65) CAN C Bus (+) circuit. Is any resistance present? Yes Repair the (D65) CAN C Bus (+) circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Go to step 10) .
10. 10) (D64) CAN C BUS (-) CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (D64) CAN C Bus (-) circuit. Is any resistance present? Yes Repair the (D64) CAN C Bus (-) circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Go to step 11) .
11. 11) (D65) CAN C BUS (+) CIRCUIT SHORTED TO (D64) CAN C BUS (-) CIRCUIT Measure the resistance between the (D65) CAN C Bus (+) circuit and the (D64) CAN C Bus (-) circuit. Is any resistance present? Yes Repair the (D65) CAN C Bus (+) circuit for a short to the (D64) CAN C Bus (-) circuit. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the TIPM in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .

1. 1) RECONFIGURE THE TOTALLY INTEGRATED POWER MODULE NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. 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 TIPM, miscellaneous functions then add/remove ECUs. With the scan tool, add or remove the module that was not configured in the TIPM. With the scan tool, erase DTC's. Cycle the ignition from on to off 3 times and read the active TIPM DTC's. Does the scan tool display this DTC as active? Yes Retest system and attempt to reconfigure the TIPM. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Repair is complete. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .

Scheme 5

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. NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. 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) (D71) DIAGNOSTIC CAN C (-) CIRCUIT OPEN Turn the ignition off. Disconnect the TIPM C3 harness connector. Disconnect the scan tool from the DLC. Measure the resistance of the (D71) Diagnostic CAN C (-) circuit between the TIPM C3 harness connector and the DLC. Is the resistance below 5.0 ohms? Yes Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Totally Integrated Power Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Repair the (D71) Diagnostic CAN C (-) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .

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. NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. 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) DIAGNOSTIC CAN C (+) CIRCUIT OPEN Turn the ignition off. Disconnect the Totally Integrated Power Module (TIPM) C3 harness connector. Disconnect the scan tool from the DLC. Measure the resistance of the (D72) Diagnostic CAN C (+) circuit between the TIPM C3 harness connector and the DLC. Is the resistance below 5.0 ohms? Yes Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Totally Integrated Power Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) . No Repair the (D72) Diagnostic CAN C (+) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-284875-S12249799312008051600000) .

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. NOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing. With the scan tool, read stored DTC's. Is this DTC stored? Yes Go to step 2) . No Diagnose and repair the DTC.
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, TIPM configuration DTC's present with matching environmental data? Yes These DTC's may have been the result of other service procedures performed. Clear DTC's. 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 DTC's "Logged Against" the module and one or more lost communication DTC's 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 DTC's "Logged Against" the module and NO lost communication DTC's stored in the offending module? Yes Check for TSB(s) 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 DTC's "Logged Against" the module? Yes Check for TSB(s) 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.

1. 1) Perform Body Verification Test NOTE: If the SKREEM or PCM/ECM was replaced, refer to the service information for proper programming procedures. Disconnect all jumper wires and reconnect all previously disconnected components and connectors. Ensure that all accessories are turned off. Ensure that the battery is fully charged. Turn the ignition on. With the scan tool, record and erase DTC's from all modules. If an electronic control module was replaced, select the applicable module from the scan tool menu and press "Misc. Functions". If the module has programmable features, program as necessary. (Export only) If the Intrusion Transceiver Module (ITM) and/or Siren was replaced, select ITM from the scan tool ECU View menu then "Misc. Functions" and perform the applicable replacement procedure. Turn the ignition off, wait 10 seconds, and then turn the ignition on. Operate all functions of the system that caused the original concern. With the scan tool, select ECU View and check for DTC's in the modules. Are DTCs present in any of the modules or is the original condition still present? Yes The repair is not complete. Refer to the related category for the DTC or symptom that is still present. No The repair is complete.