Test Description

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

7. This step simulates pressing and releasing a properly functioning traction control switch.
10. The traction control switch may be damaged if the traction control switch signal circuit is shorted to voltage.

Fig 1: Traction Off Indicator Always On (Steps 1-5)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Traction Off Indicator Always On (Steps 6-14)

Courtesy of GENERAL MOTORS CORP.