Hybrid/EV Controls

DTC P0601-P0604, P0606, or P062F

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis Strategy Based Diagnosis for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptor
DTC P0601
- Control Module Read Only Memory (ROM)

DTC P0602
- Control Module Not Programmed

DTC P0603
- Control Module Long Term Memory Reset

DTC P0604
- Control Module Random Access Memory (RAM)

DTC P0606
- Control Module Internal Control Module Performance

DTC P062F
- Control Module Long Term Memory Performance

Circuit/System Description

This is an internal fault detection of the hybrid powertrain control module. The hybrid powertrain control module is internal to the drive motor generator power inverter module, and is not serviced separately. This fault is handled inside the hybrid powertrain control module and no external circuits are involved.

Conditions for Running the DTC

* The ignition is ON.
* The system voltage is at least 7 V.

Conditions for Setting the DTC

The control module has detected an internal malfunction.

Action Taken When the DTC Sets

* DTCs P0601, P0602, P0603, P0604, P0606 and P062F are Type A DTCs.
* The hybrid powertrain control module commands the battery energy control module to open the high voltage contactor relays.

Conditions for Clearing the DTC

DTCs P0601, P0602, P0603, P0604, P0606 and P062F are Type A DTCs.

Reference Information
Electrical Information Reference

* Circuit Testing Circuit Testing
* Connector Repairs Connector Repairs
* Testing for Intermittent Conditions and Poor Connections Testing for Intermittent Conditions and Poor Connections
* Wiring Repairs Wiring Repairs

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Circuit/System Verification

1. Verify that DTC P0562 is not set.

• If DTC is set, refer to DTC P0562 Hybrid/EV Controls.

2. If the DTC is set, program the T6 drive motor generator power inverter module. If the DTC resets, replace the T6 drive motor generator power inverter module.

Repair Instructions

Perform the Diagnostic Repair Verification Verification Tests after completing the diagnostic procedure.

Control Module References Control Module References for Drive Motor Generator Power Inverter Module replacement, setup, and programming.