DTC Descriptors

WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

DTC C056D 00: ECU Hardware Performance
DTC C056D 3C: ECU Hardware Performance Internal Communications Failure
DTC C056D 59: ECU Hardware Performance
DTC C127A: EBCM High End Timer Performance
DTC C127B: EBCM Processor Performance
DTC C127C: EBCM Self Test Failed
DTC C12F2: ABS Left Rear Isolation Solenoid Driver Shorted
DTC C12F3: ABS Left Rear Isolation Solenoid Circuit Performance
DTC C12F4: ABS Proportioning Valve Solenoid Performance
DTC C12F5: ABS Right Rear Isolation Solenoid Circuit Shorted
DTC C12F6: ABS Right Rear Isolation Solenoid Performance
DTC C12FE: ABS Boost Pressure Loss