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Home >> Chevrolet >> 2011 >> Suburban C2500 >> Repair and Diagnosis >> External Pages >> Different car >> Section 1745 (Antilock Brake System - Hybrid (Hp2)) >> Diagnostic Information and Procedures >> DTC C0277, C120C, C129A, C129B, C129D, C129E, C12B1, or C12F8 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

C0277 03, C129A, or C129D 

The EBCM detects voltage below threshold on signal circuit.

C0277 07, C129B, or C129E 

The EBCM detects voltage above threshold on signal circuit.

C0277 5A, C12B1, C12F8, or C120C 

This EBCM detects the master cylinder pressure is high when brake master cylinder piston position sensor is reading low travel.

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