Service Information

Volt

DTC P1E3E or P1E3F

Diagnostic Instructions

•	Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

•	Review Strategy Based Diagnosis for an overview of the diagnostic approach.

•	Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptor

DTC P1E3E: 14 V Power Module Random Access Memory

DTC P1E3F: 14 V Power Module Read Only Memory

This is an internal fault detection of the 14 V power module, also called the accessory DC power control module. This fault is handled inside the 14 V power module and no external circuits are involved.

Conditions for Running the DTC

•	The vehicle is ON.

•	The system voltage is at least 9.5 V.

Conditions for Setting the DTC

The control module has detected an internal malfunction.

Action Taken When the DTC Sets

DTCs P1E3E and P1E3F are Type C DTCs.

Conditions for Clearing the DTC

DTCs P1E3E and P1E3F are Type C DTCs.

Reference Information

Electrical Information Reference

•	Circuit Testing

•	Connector Repairs

•	Testing for Intermittent Conditions and Poor Connections

•	Wiring Repairs

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Circuit/System Verification

Program the K1 14 V power module. If the DTC resets, replace the K1 14 V power module.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for Accessory DC Power Control Module, also called the 14 V Power Module, replacement, programming and set-up.