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Home >> Cadillac >> 2018 >> CT6 Plug-In >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Antilock Brake System (Except Hybrid)) >> Diagnostic Information and Procedures >> DTC C0121 >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different variant/trim than selected.

DTC C0121: Valve Relay Circuit Malfunction

For symptom byte information refer to Symptom Byte List

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