Operation CHARM: Car repair manuals for everyone.

DTC 103

DTC 103: CMBS Brake Control Prohibition

1. Turn the ignition switch 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.

NO - Troubleshoot the indicated DTC.