Adaptive Cruise Control

DTC 12: Right Rear Wheel Sensor Signal Error

NOTE: If DTC 112 is stored at the same time as DTC 12, troubleshoot DTC 112 first, then recheck for DTC 12.

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 2.

2. Clear the DTCs with the HDS.
3. Test-drive the vehicle at 28 mph (45 km/h) or more.
4. Test-drive and watch the adaptive cruise control (ACC) indicator.

Does the ACC indicator come on?

YES - Go to step 5.

NO - Intermittent failure, the system is OK at this time. Check for loose or poor connections.

5. Check for DTCs with the HDS.

Is DTC 12 indicated?

YES - Check for loose or poor connections. If OK, replace the ACC unit.

NO - Troubleshoot the indicated DTC.