U0196
U0196-LOST COMMUNICATION WITH VEHICLE ENTERTAINMENT CONTROL MODULEU0196 - Lost Communication With Vehicle Entertainment Control Module:
WHEN MONITORED
- With the ignition on
- Battery voltage between 10 and 16 volts
- IOD fuse installed
- FCM is configured correctly
SET CONDITION
Bus messages not received from the vehicle entertainment system (DVD player) for approximately 2 to 5 seconds.
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
- Monitor/DVD media system 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.
With the scan tool, read active DTCs.
Q: Is this DTC active?
YES: Go To 2
NO: Refer to the Stored Lost Communication test procedure. Stored Lost Communication DTCs
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
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.
Q: Does the scan tool display any active DTCs to the conditions listed above?
YES: Diagnose and repair the DTC.
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Go To 3
3. VERIFY THAT THE VES IS ACTIVE ON THE BUS
Turn the ignition on.
With the scan tool, select Network Diagnostics.
Verify that the VES is active on the bus.
Q: Is the VES active on the bus?
YES: Go To 4
NO: Refer to Manufacturer Code Charts / Communications for the No Response test procedure. No Response From VES (Monitor/DVD Media System)
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
4. CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCs
With the scan tool, select Network Diagnostics.
Q: Is there more than one module with active DTCs "Logged Against" the VES?
YES: Replace/update the Monitor/DVD Media System.
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Replace/update the module that set this DTC.
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test