C0456

DTC C0456 (NJ1)

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 C0456 4B
- Steering Position Sensor Calibration not Learned

Circuit/System Description

Steering Angle Sensor Centering and Software Endstop is not learned by the new power steering control module.

Conditions for Running the DTC

The ignition is ON.

Conditions for Setting the DTC

The calibration is not learned by the new power steering control module.

Action Taken When the DTC Sets

* DTC C0456 is stored in memory.

* The driver information center displays the SERVICE POWER STEERING warning message.

* No steering assist.

Conditions for Clearing the DTC

Steering Angle Sensor Centering and Software Endstop Learning procedure must be completed successfully.

Reference Information

Schematic Reference

Power Steering Schematics Electrical Diagrams

Connector End View Reference

Component Connector End Views Sunshade - Left

Description and Operation

Power Steering System Description and Operation (Hydraulic Power Steering (NJ0)) Power Steering System Description and Operation (Hydraulic Power Steering (NJ0))Power Steering System Description and Operation (Electronic Power Steering) Power Steering System (Electronic Power Steering)

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

Scan Tool Reference

Control Module References Control Module References for scan tool information

Circuit/System Verification

1. With a scan tool, verify that DTC C0456 4B is not set.

• If the DTC is set

1. Perform the Steering Angle Sensor Centering and Software Endstop Learning procedure. Refer to Power Steering Control Module Calibration (NJ1) Power Steering Control Module Calibration (NJ1).

2. Verify the DTC does not reset.

• If the DTC resets, replace the steering gear.

• If the DTC does not reset

3. All OK

• If the DTC is not set

2. All OK.

Repair Instructions

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

* Steering Gear Replacement (LUK, MHH, NJ1) Steering Gear Replacement (LHU, MDK, NXC) Steering Gear Replacement (MDK, NXC)Steering Gear Replacement (LHU, MHK, NV7) Steering Gear Replacement (MHK, NV7)Steering Gear Replacement (LHU, MR6, NV7, NXC) Steering Gear Replacement (MR6, NV7, NXC)

* Control Module References Control Module References for power steering control module programming and setup