Service Information

Volt

DTC P183F

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 P183F: Internal Mode Switch 1-2 Correlation

Circuit/System Description

The hybrid powertrain control module compares the internal mode switch requested direction to other data to verify that the indicated direction range switch calculation is correct.

Conditions for Running the DTC

•	The ignition is ON

•	DTCs P181C-P181F, P1824, P182A-P182F, P183A-P183E, P1838, P1839, P184A or P184B are not set.

Conditions for Setting the DTC

The internal mode switch direction state does not match the internal mode switch range state.

Action Taken When the DTC Sets

DTC P183F is a Type A DTC.

Conditions for Clearing the DTC

DTC P183F is a Type A DTC.

Reference Information

Schematic Reference

Hybrid Controls Schematics

Connector End View Reference

Component Connector End Views

Electrical Information Reference

•	Circuit Testing

•	Connector Repairs

•	Testing for Intermittent Conditions and Poor Connections

•	Wiring Repairs

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference

Control Module References for scan tool information

Circuit/System Verification

Verify that DTC P181C, P181D, P181E, P181F, P183A, P183B, P183C, P183D, P183E, P184A or P184B is not set.

⇒	If any of the DTCs are set, refer to DTC P181C-P181F, P183A-P183E, P184A, or P184B .

Verify that DTC P183F is not set.

⇒	If the DTC is set, program the hybrid powertrain control module. If the DTC resets, replace the T6 drive motor generator power inverter module.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for Drive Motor Generator Power Inverter Module replacement, set-up and programming