Circuit/System Verification

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Verify that DTC B008A or B008B is not set.

If any of the DTCs are set, program the serial data gateway module. If any of the DTCs reset, replace the serial data gateway module.