U1148-ADDITIONAL CAN-C ECU DETECTED

For a complete wiring diagram, refer to the Wiring Information.

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

Possible Causes
ADDITIONAL MODULE ADDED/REMOVED FROM THE CAN C BUS NETWORK

1. CHECK THE VEHICLE REPAIR HISTORY

1.	Check the vehicle repair history for any recent module replacements or additions.

Have any modules been recently replaced or added?

Yes

Verify the appropriate installation and module initialization procedures were completed. Make sure any changes related to the sales codes associated with the vehicle or the vehicle configuration were correctly updated. Repair as necessary.
Perform the BODY VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure).

2. RESTORE THE VEHICLE CONFIGURATION

1.	Turn the ignition on.

2.	With the scan tool, view the modules on the communication network. Read and record the listed modules or run a Vehicle Scan Report.

3.	With the scan tool, select TIPM, miscellaneous functions then Restore Vehicle Configuration.

4.	With the scan tool, erase DTCs.

5.	Cycle the ignition from on to off three times and read the active TIPM DTCs.

Does the scan tool display this DTC as active?

Yes