Manufacturer Code Charts: 103

Adaptive Cruise Control (ACC) DTC Troubleshooting: 103

DTC 103:

CMBS Brake Control Prohibition

1. Check for VSA system DTCs with the HDS Reading and Clearing Diagnostic Trouble Codes.

Are any DTCs indicated?

YES -

Troubleshoot the indicated VSA system DTC(s).�

NO -

Go to step 2.

2. Clear the DTCs with the HDS.

3. Watch the CMBS indicator.

Does the CMBS indicator come on?

YES -

Go to step 4.

NO -

The system is OK at this time.�

4. Check for ACC system DTCs with the HDS.

Is DTC 103 indicated?

YES -

Check for loose or poor connections. If OK, update the ACC unit Programming and Relearning, then recheck. If the ACC unit was already updated, replace the ACC unit Service and Repair.�

NO -

Troubleshoot the indicated DTC(s).�