P0BFD

DTC P0BFD or P0BFE

Diagnostic Instructions

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

DTC Descriptor

DTC P0BFD
- Drive Motor 1 Phase U-V-W Correlation

DTC P0BFE
- Drive Motor 2 Phase U-V-W Correlation

Circuit/System Description

This is an internal fault detection of the drive motor generator power inverter module (PIM) assembly. This fault is handled inside the PIM and no external circuits are involved.

Conditions for Running the DTC

* The control module runs the program to detect an internal fault when the key is ON.
* Ignition voltage is 8-18 volts.

Conditions for Setting the DTC

The sum of the 3 phase current sensors is greater than 75 A for 8 milliseconds.

Action Taken When the DTC Sets

* DTCs P0BFD and P0BFE are Type A DTCs.
* The PIM commands the battery energy control module (BECM) to open the high voltage relay contactors.

Conditions for Clearing the DTC

DTCs P0BFD and P0BFE are Type A DTCs.

Circuit/System Verification

1. Clear the DTC information.
2. Turn the ignition OFF for 1 minute.
3. Turn the ignition ON.
4. Retest for DTCs P0BFD or P0BFE.

Circuit/System Testing

Ignition ON, retest for DTC P0BFD or P0BFE.

If the DTC resets, program the PIM with the latest software version and recheck for DTCs. If the DTC resets after programming or if the PIM already contains the latest software version, replace the PIM.

Repair Instructions

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