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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1580 (Antilock Brake System - Hybrid (Hp2) With Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> DTC C0256, C12E6, or C12E7 >> DTC Descriptors

DTC Descriptors

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DTC C0256 04

Valve Relay Contact Circuit Open

DTC C12E6

Valve Relay Contact Circuit Open

DTC C0256 0E

Valve Relay Contact Circuit Resistance Below Threshold

DTC C12E7

Valve Relay Contact Circuit Resistance Below Threshold