DTC B1335 42 or B1335 4B
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.
Verify that DTC B1335 42 or B1335 4B is not set.
- If either DTC is set, replace the MSM.