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Home >> Pontiac >> 2005 >> Grand Prix Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 3.8L - DTC P0406 To DTC P1111 >> DTC P0641: 5-Volt Reference 1 Circuit >> DTC Descriptor

DTC Descriptor

This diagnostic procedure supports the following DTC.

DTC P0641 5-Volt Reference 1 Circuit

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