Component Testing
WARNING: This page is about a different car, the 2022 GMC Savana 3500, 2022 GMC Savana 2500, 2022 Chevrolet Express 3500, and 2022 Chevrolet Express 2500. 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 F and the ground terminal C with the switch in the open position.
- If not the specified value, replace the traction control switch.
- Test for less than 3 Ω between the signal terminal F and the ground terminal C with the switch in the closed position.
- If greater than the specified range, replace the traction control switch.