DTC 103: CMBS Brake Control Prohibition
- Turn the ignition switch ON (II).
- 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.
- Clear the DTCs with the HDS.
- Watch the CMBS indicator.
Does the CMBS indicator come on?
YES - Go to step 5.
NO - The system is OK at this time.
- 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 (see ADAPTIVE CRUISE CONTROL (ACC) UNIT REMOVAL/INSTALLATION ).
NO - Troubleshoot the indicated DTC.