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Home >> Pontiac >> 2008 >> Grand Prix Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 426 (Anti-Lock Brake System, Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> DTC C0121 >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
DTC C0121 00

Valve Relay Circuit