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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Hybrid/EV Control System) >> Diagnostic Information and Procedures >> DTC P0697: Control Module Memory >> Diagnostic Aids

Diagnostic Aids

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The 5V reference 3 circuit provides 5V to internal circuitry contained in the generator control module.