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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 P0C77 or P0C78: Hybrid/EV Battery System Precharge Time >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different variant/trim than selected.

P0C77 

Bus voltage is greater than 95% in less than 75 ms after the start of precharge

P0C78 

Bus voltage has not reached 95% in less than 1 second after the start of precharge

OR

Battery current is greater than 5 A for longer than 100 ms after the start of precharge

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