Mike's Workshop Manuals
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Pontiac
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2008
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G8 Base
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Repair and Diagnosis
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Brakes
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Anti-Lock Brake System, Traction Control System & Stability Control System
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Diagnostic Information and Procedures
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DTC C0121
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Conditions for Running the DTC
Conditions for Running the DTC
Ignition voltage is greater than 10 volts.
The solenoid relay is commanded ON.