P06B2

DTC P06B1 or P06B2

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 Descriptors

DTC P06B1

-
Sensor Supply Positive Voltage Circuit Low Voltage

DTC P06B2

-
Sensor Supply Positive Voltage Circuit High Voltage

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 motor control modules are part of the generator control module. The drive motor control module uses an internal 15 V reference power supply in order to operate the drive motor sensors and processor. This fault is handled inside the generator control module and no external circuits are involved.

Conditions for Running the DTC

The drive motor control module is awake.

Conditions for Setting the DTC

P06B1

The reference voltage is less than 9.7 V for 1 second.

P06B2

The reference voltage is greater than 18 V for 1 second.

Action Taken When the DTC Sets

DTCs P06B1 and P06B2 are Type B DTCs.

Conditions for Clearing the DTC

DTCs P06B1 and P06B2 are Type B DTCs.

Diagnostic Aids

This DTC may set due to low or high 12 V system voltage.

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

Verify P0562 or P0563 is not set.

If any of the DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle Diagnostic Trouble Code (DTC) List - Vehicle.

If DTC P06B1 or P06B2 is 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 Programming and Relearning for Generator Control Module, also called the Starter Generator Control Module, replacement, programming and setup