Test Description
WARNING: This page is about a different car, the 2002 GMC Cab & Chassis Sierra and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The numbers listed below refer to step numbers in the diagnostic procedure:
- 4
This step tests the function of the 2-3 shift solenoid valve and the internal wiring harness. - 5
This step tests the power to the 2-3 shift solenoid valve from the ignition through the fuse. - 10
This step measures the resistance of the 2-3 shift solenoid valve.