P0C19

DTC P0C19

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 P0C19

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Drive Motor Torque Delivered Performance

Circuit/System Description

The generator control module also called the starter generator control module is comprised of the following three control modules; the hybrid powertrain control module, 14 volt power module and the drive motor control module. These three control modules are non serviceable and are part of the generator control module.

The starter generator also called the drive motor is controlled by the drive motor control module. The drive motor control module constantly monitors the requested torque and the delivered torque of the drive motor.

Conditions for Running the DTC

* DTCs P0BFD, P0BE6, P0BE7, P0BE8, P0BEE, P0BEF, P0BF0, P1AE8, P1AE9, P1AEC, P1B0D, P0C52, P0C53, P0C5C, P0C5D, P0A3F, P1B03 and P0A40 are not set

* Drive motor is commanded to develop torque.

Conditions for Setting the DTC

The drive motor control module has detected that the difference between drive motor torque commanded and delivered is greater than 36 Nm (27 lb ft).

Action Taken When the DTC Sets

* DTC P0C19 is a Type B DTC.

* Commanded motor torque is limited to below 36 Nm (27 lb ft).

Conditions for Clearing the DTC

DTC P0C19 is a Type B DTC.

Diagnostic Aids

* Seized or binding engine

* Seized or binding accessory drive belt

* Seized or binding starter generator

Reference Information

Schematic Reference

Hybrid Energy Storage Schematics [1][2]Electrical Diagrams

Description and Operation

* Starter Generator Description and Operation Starter Generator Description and Operation

* Generator Control Module Description and Operation Generator Control Module Description and Operation

* Hybrid Modes of Operation Description Hybrid Modes of Operation Description

DTC Type Reference

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

Circuit/System Verification

1. Start the engine. DTC P0C19 should not be set.

2. Verify DTC P0A90 is not set.

• If the DTC is set, refer to Diagnostic Trouble Code (DTC) List - Vehicle Diagnostic Trouble Code (DTC) List - Vehicle.

3. Verify the engine or AC compressor is not seized or binding.

• If the engine is seized or binding, refer to Symptoms - Engine Mechanical Symptoms - Engine Mechanical.

4. Verify the A15 starter generator is not seized or binding.

5. If DTC P0C19 is set, replace the A15 starter generator.

Repair Instructions

Perform the Diagnostic Repair Verification Verification Tests after completing the repair.

Starter Generator Replacement Starter Generator Replacement for starter generator replacement.