Service Information

Volt

DTC P1E3D

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 P1E3D: Control Module Calculated Hybrid/EV Battery Performance

The hybrid/EV powertrain control module 2 performs internal calculations multiple times and compares the results of these calculations to verify proper operation of the internal controller. The result of these calculations is a voltage. This voltage value is an internal value and cannot be measured externally.

Conditions for Running the DTC

•	The 12 V battery voltage is greater than 9 V.

•	The hybrid/EV powertrain control module 2 is awake.

Conditions for Setting the DTC

If the results of these calculations differ by more than one volt.

Action Taken When the DTC Sets

•	DTC P1E3D is a type A DTC.

•	The contactors will be opened.

Conditions for Clearing the DTC

DTC P1E3D is a type A DTC.

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

Scan Tool Reference

Control Module References for scan tool information

Circuit/System Verification

If the DTC is set, replace the K114B hybrid/EV powertrain control module 2.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for hybrid/EV powertrain control module 2 replacement, programming and set-up