Manufacturer Code Charts: 103

CMBS DTC Troubleshooting: 103

DTC 103: CMBS Brake Control Prohibition

1. Turn the ignition switch to ON (II).

2. Check for VSA system DTCs with the HDS.

Are any DTCs indicated?
YES - Troubleshoot the indicated VSA system DTC(s).

NO - Go to step 3.


3. Clear the DTCs with the HDS.

4. Watch the CMBS indicator.

Does the CMBS indicator come on?
YES - Go to step 5.

NO - The system is OK at this time.


5. Check for adaptive cruise control (ACC) system DTCs with the HDS.

Is DTC 103 indicated?
YES - Check for loose or poor connections. If OK, replace the ACC unit. Service and Repair

NO - Troubleshoot the indicated DTC(s).