L: the Traction Control Switch Indicator Is Never/Always on

Pinpoint Test L: the Traction Control Switch Indicator Is Never/Always on

Normal Operation

Voltage is supplied by the smart junction box (SJB) to the traction control switch indicator through circuit 972 (BK/WH). The signal is grounded through the traction control switch on circuit 939 (VT) to the instrument cluster.

Possible Causes

- circuit 939 (VT) open or short to ground
- circuit 972 (BK/WH) open
- instrument cluster
- traction control switch