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 number below refer to the step numbers on the diagnostic table.
2. Verify that the DTC is current or history by monitoring the switch status for which the code is set.
Tests the seat adjuster switch for an internal fault.