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Home › Pontiac › 2006 › Grand Prix Base › Repair and Diagnosis › Engine Performance › System › Engine Controls - 3.8L - DTC P0446 To P2108 › DTC P0641 or P0651 › DTC Descriptors

DTC Descriptors

DTC P0641

5-Volt Reference 1 Circuit

DTC P0651

5-Volt Reference 2 Circuit

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