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Home >> Cadillac >> 2012 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Hybrid/EV Control System) >> Diagnostic Information and Procedures >> DTC P06AF >> Circuit/System Description

Circuit/System Description

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This diagnostic applies to communication integrity conditions between the engine control module (ECM) and the hybrid powertrain control module. The hybrid powertrain control module monitors a state of health message that the ECM transmits to verify the ECM is functioning properly. The hybrid powertrain control module is part the drive motor power inverter module and is not serviced separately.

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