Diagnostic Aids

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Sierra 3500 HD, 2015 GMC Sierra 2500 HD, 2015 GMC Sierra 1500, 2015 Chevrolet Silverado 3500 HD, and 2015 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

This DTC will be set as current while performing calibration, and will remain set as current until calibration can be completed
The frontview camera will not calibrate if not properly installed or mounted.