P262B

DTC P0601-P0604, P0606, P061B, P062F, or P262B

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 Performance

DTC P0602
- Control Module Not Programmed

DTC P0603
- Control Module Long Term Memory Reset

DTC P0604
- Control Module Random Access Memory Performance

DTC P0606
- Control Module Processor Performance

DTC P061B
- Internal Control Module Torque Calculation Performance

DTC P062F
- Control Module Long Term Memory Performance

DTC P262B
- Control Module Power Off Timer Performance

Circuit/System Description

This is an internal fault detection of the hybrid powertrain control module or the drive motor control module. The hybrid powertrain control module and the drive motor control module are internal to the generator control module, and are 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 greater than 9.5V.

Conditions for Setting the DTC

The control module has detected an internal malfunction.

P0602

A service module has been installed but not yet programmed.

Action Taken When the DTC Sets

* DTCs P0601-P0604, P0606, P061B, and P062F are Type A DTCs.
* DTC P262B is a Type B DTC.

P0601, P0602, P0604, P0606, P061B, and P262B

The hybrid powertrain control module requests the high voltage contactor relay open.

Conditions for Clearing the DTC

* DTCs P0601-P0604, P0606, P061B, and P062F are Type A DTCs.
* DTC P262B is a Type B DTC.

Diagnostic Aids

DTC P0606 will cause DTCs U0073, U0074, U0293, U1817 to set.

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

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 B1325, B1330, B1420, B1424, B1517, C0800, C0895, C0899, C0900, C12E1, C12E2, P0560, P0562, or P0563 Engine Electrical- Hybrid (HP6) for Engine Electrical - Hybrid (HP6).

2. If the DTC is not set, program the K59 starter generator control module. If the DTC resets, replace the K59 starter generator control module.

Repair Instructions

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

Control Module References Control Module References for Generator Control Module, also called the Starter Generator Control Module, replacement, programming and setup.