Circuit/System Description
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.
When replacing a remote control door lock receiver (RCDLR), the service replacement part is shipped with no installed software. Before the new RCDLR is operational, a software calibration is required to be downloaded using the SPS terminal. Failure to download this software calibration will result in the setting of DTC B1008.