Circuit/System Verification
WARNING: This page is about a different car, the 2009 GMC Yukon and 2009 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
Verify that DTC P0602 is not set.
- If DTC P0602 is set, program the TCM.
- If DTC P0602 is not set, replace the TCM