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Home >> Cadillac >> 2009 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Hybrid Engine Controls - DTC P181C To DTC P2797) >> DTC P1AF4-P1AF7 >> Conditions for Setting the DTC >> P1AF4 and P1AF6

P1AF4 and P1AF6

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The motor control module (MCM) detects isolation sensor voltage less than 0V.