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Home >> GMC >> 2014 >> Terrain SLT, 4D Utility >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (Antilock Brake System With Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> DTC C056D >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different car, the 2010 GMC Terrain and 2010 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
DTC C056D 00

Electronic Control Unit Hardware Malfunction

DTC C056D 39

Electronic Control Unit Hardware Internal Malfunction

DTC C056D 3B

Electronic Control Unit Hardware Self-Test Malfunction

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