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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 41 (Wiring Systems And Power Management - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P156D >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

The T19 Power Supply Transformer provides continuous power to certain devices during a stop start event to achieve uninterrupted performance during engine cranking. The K20 Engine Control Module (ECM) monitors the ignition status of the Power Supply Transformer during start stop events.

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