U1148

U1148-ADDITIONAL CAN C BUS ECU DETECTED

For a complete wiring diagram consult Diagrams/Electrical.


- When Monitored:
Continuously.

- Set Condition:
The Totally Integrated Power Module (TIPM) detects an additional CAN C Bus module and requires reprogramming.








Diagnostic Test


1. REPROGRAM THE TOTALLY INTEGRATED POWER MODULE (TIPM)
Turn the ignition on.
With the scan tool, select network view and select the CAN C Bus network. This will list the CAN C Bus 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 reprogram the TIPM.
- Perform the BODY VERIFICATION TEST - VER 1.Body Verification Test.


No


- Repair is complete.
- Perform the BODY VERIFICATION TEST - VER 1.Body Verification Test.