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Home › Chevrolet › 2008 › Uplander Base, 3.9 1 › Repair and Diagnosis › Brakes › Anti-Lock Brake System, Traction Control System & Stability Control System › Diagnostic Information and Procedures › DTC C0121 › Circuit/System Verification

Circuit/System Verification

Verify DTC C0121 is not set.

If the DTC is set, clear the DTC and operate the vehicle within the Conditions for Running the DTC. If the DTC resets, replace the EBCM.