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Home >> Chevrolet >> 2019 >> Spark ACTIV, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 166 (Antilock Brake System) >> Diagnostic Information and Procedures >> DTC C0121 >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different car, the 2018 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
DTC C0121

Valve Relay Circuit Malfunction

For symptom byte information refer to Symptom Byte List

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