DTC Troubleshooting: 103
DTC 103:
 CMBS Brake Control Prohibition
  1. Turn the ignition switch to ON (II).
  1. 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 .
  1. Clear the DTCs with the HDS.
  1. Watch the CMBS indicator.
Does the CMBS indicator come on?
YES -
Go to Step 5 .
NO -
The system is OK at this time.■
  1. Check for adaptive cruise control (ACC) system DTCs with the HDS.
Is DTC 103 indicated?
YES -
Check for loose or poor connections. If the connections are OK, update the ACC unit, then recheck. If the ACC unit was already updated, replace the ACC unit. ■
NO -
Troubleshoot the indicated DTC.■