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Home >> Cadillac >> 2013 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Hybrid/EV Energy Storage System) >> Diagnostic Information and Procedures >> DTC P1A21 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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The drive motor generator battery control module reports that the contactors are open when the hybrid powertrain control module contactor system request circuit and the serial data message both indicate a closed request.