Component Testing
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the harness connector at the traction control switch.
- Test for infinite resistance between the signal terminal 3 and the ground terminal 1 with the switch in the open position.
- If not the specified value, replace the traction control switch.
- Test for less than 3 ohms between the signal terminal 3 and the ground terminal 1 with the switch in the closed position.
- If greater than the specified range, replace the traction control switch.