Test C: Traction Control Switch Indicator Led Circuit High
- Turn ignition on, with engine off. Using scan tool, command traction control switch on and off. If switch indicator LED follows command, problem is intermittent. If switch indicator LED does not follow command, go to next step.
- Check for short to voltage in circuit No. 1660 (Blue wire) between switch and BCM. Repair as necessary. If circuit is okay, replace BCM.