Diagnostic Aids: P0975

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.

You may have to drive the vehicle in order to experience a condition.
DTC P0975, set in combination with DTC P0964, P0975, and P0979, may indicate an open in the HSD2 circuit.