Repair Procedures
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
If the IMS switch is replaced inspect the valve body detent spring to be sure it is centered over the detent lever. This will prevent the detent spring from hitting the IMS switch.
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
IMPORTANT:
Perform the Control Solenoid Valve and Transmission Control Module Assembly Inspection
for the following components before replacing the components.
- Manual Shift Shaft Position Switch Replacement for internal mode switch (IMS) replacement.
- Control Module References for control solenoid (w/body and TCM) valve assembly replacement, setup, and programming.