DTC U1108: Additional Can B Ecu Detected

For a complete wiring diagram Refer to SYSTEM WIRING DIAGRAMS .

• When Monitored: 

  Continuously  .

• Set Condition: 

  The Front Control Module detects an additional CAN B module and requires a reconfiguration  .

Possible Causes 

ADDITIONAL MODULE ADDED/REMOVED FROM THE CAN B BUS NETWORK

1. Diagnostic Test 

   RECONFIGURE THE FRONT CONTROL MODULE 

   1. Turn the ignition on.
   2. 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.
   3. With the scan tool, select FCM, miscellaneous functions then add/remove ECUs.
   4. With the scan tool, add or remove the module that was not configured in the FCM.
   5. With the scan tool, erase DTC's.
   6. Cycle the ignition from on to off 3 times and read the active FCM DTC's.

   Q: 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 DIAGNOSIS AND TESTING ).

   No  :

   • Repair is complete.
   • Perform BODY VERIFICATION TEST - VER 1 . (Refer to DIAGNOSIS AND TESTING ).