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 numbers below refer to the step numbers on the diagnostic table.
- 3. Tests whether the condition is module, system, or condition related.
- 4. Tests whether the condition has been corrected or identified as specified in the supporting text.
- 5. Test for an open or short in the vehicle speed signal circuit of the rear wheel steering control module.