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| • | 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. |
The power inverter module, often referred to as the drive motor generator power inverter module, contains three motor control modules and the hybrid powertrain control module. Two of the motor control modules operate their respective drive motor generator based upon drive motor generator power inverter module commands. The third motor control module controls the auxiliary transmission fluid pump motor. The hybrid powertrain control module and the motor control modules share the power inverter module ignition voltage circuit, battery voltage circuits and chassis earth.
The vehicle is ON or the power inverter module is awake.
An auxiliary transmission fluid pump motor speed of greater than 6,500 RPM has been detected.
DTC P179A is a Type A DTC.
DTC P179A is a Type A DTC.
Powertrain Diagnostic Trouble Code (DTC) Type Definitions
If the DTC is set, program the T6 power inverter module. If the DTC resets, replace the T6 power inverter module.
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.
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