Circuit/System Verification
WARNING: This page is about a different car, the 2016 GMC Sierra 1500 and 2016 Chevrolet Silverado 1500. However, it is still accessible from the selected car via links, so may be relevant.
If the DTC is set, program the K59 starter/generator control module. If the DTC resets, replace the K59 starter/generator control module.