Service Information

Volt

DTC P1E0A or P1E0B

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 P1E0A: Drive Motor 1 Control Module Module Torque Calculation Performance

DTC P1E0B: Drive Motor 2 Control Module Module Torque Calculation Performance

Circuit/System Description

The motor control modules perform redundant calculations of desired and achieved torque values. These values are continuously compared and should always be the same.

Conditions for Running the DTC

Ignition voltage is 8-18 V.

Conditions for Setting the DTC

The redundant torque calculation does not match the primary calculation.

Action Taken When the DTC Sets

•	DTCs P1E0A and P1E0B are Type A DTCs.

•	The hybrid powertrain control module requests the hybrid powertrain control module 2 to open the high-voltage contactor relays.

Conditions for Clearing the DTC

DTCs P1E0A and P1E0B are Type A DTCs.

Reference Information

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Circuit/System Verification

Verify there is no transmission or motor control module DTCs set.

⇒	If other Transmission or motor control module DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .

Program the T6 power inverter module with the latest software version. If the DTC resets replace the T6 power inverter module.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for Drive Motor Generator Power Inverter Module, also called the power inverter module, replacement, programming and set-up.