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U0196-LOST COMMUNICATION WITH VEHICLE ENTERTAINMENT CONTROL MODULE (CONTINUED) For a complete wiring diagram Refer to Section 8W. • When Monitored: • With the ignition on • Battery voltage between 10 and 16 volts • IOD fuse installed • FCM is configured correctly • Set Condition: Possible Causes CAN B BUS CIRCUITS OPEN OR SHORTED DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES FCM NOT CONFIGURED CORRECTLY MONITOR/DVD MEDIA SYSTEM (DVD PLAYER) MONITOR/DVD MEDIA SYSTEM (DVD PLAYER) POWER AND GROUND 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 >> Refer to the Stored Lost Communication test procedure. Refer to the table of contents in this section. Perform BODY VERIFICATION TEST – VER 1. 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 igni- Does the scan tool display any active DTCs to the conditions listed above? Yes >> Diagnose and repair the DTC. Refer to the Table of Contents for a complete list of the symptoms. Perform BODY VERIFICATION TEST – VER 1. No >> Go To 3 HB ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS 8E - 81 |