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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Hybrid/EV Energy Storage System) >> Diagnostic Information and Procedures >> DTC P0641: 5V Reference 1 Circuit >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different variant/trim than selected.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
5 V Reference P0641, P057C, P1B3F P1B3F P0641, P1B40 -
Signal P1B3F P1B3F P1B40 -
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