Test Description

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. 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.

6. This step tests if the EBCM is commanding the inverting driver module to turn OFF the traction off indicator.
7. This step tests if the inverting driver module is receiving adequate power and ground in order to power up.
9. This step tests if the inverting driver module is falsely illuminating the traction off indicator.
10. This step tests the service traction control signal circuit for a short to ground by substituting the IPC with a test lamp.
11. This step simulates pressing and releasing a properly functioning traction control switch.
14. 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 (Escalade) (1 Of 3)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Traction Off Indicator Always On (Escalade) (2 Of 3)

Courtesy of GENERAL MOTORS CORP.

Fig 3: Traction Off Indicator Always On (Escalade) (3 Of 3)

Courtesy of GENERAL MOTORS CORP.