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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 P0A80: Replace Hybrid/EV Battery Pack >> Circuit/System Description

Circuit/System Description

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The Starter/Generator Control Module monitors the internal battery resistance of the battery pack as a means to determine if the battery has reached its end of life.