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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 476 (Antilock Brake System - Hybrid (Hp2)) >> Diagnostic Information and Procedures >> DTC C0552 or C121D >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

This DTC can set if battery voltage drops below 8 volts with ignition ON.