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• When Monitored: • Set Condition: Possible Causes CAN B BUS CIRCUITS OPEN OR SHORTED DTC’S RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES TIPM NOT CONFIGURED CORRECTLY TOTALLY INTEGRATED POWER MODULE POWER AND GROUND TOTALLY INTEGRATED POWER MODULE MODULE THAT SET THIS DTC Diagnostic Test 1. VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. Is this DTC active? Yes >> Go To 2 No >> Perform the Stored Lost Communication test procedure. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING). 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 igni- Does the scan tool display any active DTC’s to the conditions listed above? Yes >> Diagnose and repair the DTC. Refer to the Table of Contents for a complete list of the symptoms. No >> Go To 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 4 No >> (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for No Response diagnostic procedures. PM ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS 8E - 55 |