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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 321 (Battery, Charging System And Starting System) >> Diagnostic Information and Procedures >> DTC P155E, P155F, or P156E: DC/DC Converter >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.

P155E 

The ECM detects an error in the communication of the DC/DC converter actuator voltage signal for greater than 10 counts.

P155F 

The ECM detects an error in the communication of the DC/DC converter internal health signal for greater than 10 counts.

P156E 

The ECM detects an error in the communication of the DC/DC converter crank control terminal signal for greater than 10 counts.

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