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Home >> Chevrolet >> 2014 >> Volt >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Diagnostic Information and Procedures >> DTC C0552 or C121D: Improper Shutdown Malfunction/Brake Control Module >> DTC Descriptors
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC Descriptors

DTC C0552 00

Improper Shutdown Malfunction

DTC C121D

Electronic Brake Control Module Internal Malfunction