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Home >> Cadillac >> 2007 >> STS V >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Antilock Brake System With Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> DTC C0121 >> DTC Descriptor
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DTC Descriptor

WARNING: This page is about a different car, the 2006 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

This diagnostic procedure supports the following DTC:

DTC C0121 Valve Relay Circuit

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