C047A

DTC C047A

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 C047A 08
- Electric Steering Motor Position Sensor Circuit Signal Invalid

Circuit/System Description

The power steering control module (PSCM) actively monitors the steering actuator sensor circuits.

Conditions for Running the DTC

Engine running.

Conditions for Setting the DTC

* The actuator sensor is out of position when the lock is ON and the ignition is OFF.
* The actuator sensor is out of position when the lock is OFF and the ignition is ON.
* The actuator sensor rotation is out of position when the lock is ON and the ignition is ON or OFF.
* The lock solenoid voltage is greater then 3 volts when the lock is ON and the relay is ON.

Action Taken When the DTC Sets

* Active Steering is disabled.
* SERVICE STEERING SYS and/or STABILITY SECURE MODE is displayed on the DIC.

Conditions for Clearing the DTC

* A current DTC will clear on the next malfunction free ignition cycle.
* A history DTC will clear after 100 consecutive malfunction free ignition cycles.

Reference Information
Schematic Reference

Power Steering Schematics (Electrical Diagrams)
Connector End View Reference

Component Connector End Views (Connector Views)
Description and Operation

Active Front Steering Description and Operation (Active Front 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 (Programming and Relearning)for scan tool information

Circuit/System Verification

Replace the steering actuator. Operate the vehicle within the Condition for Setting the DTC. Verify DTC C047A 08 does not reset.

If the DTC resets, replace the PSCM.

Repair Instructions

Perform the Diagnostic Repair Verification (Verification Tests) after completing the diagnostic procedure.

* Upper Intermediate Steering Shaft Replacement (with JL7) (Upper Intermediate Steering Shaft Replacement (with JL7))Upper Intermediate Steering Shaft Replacement (Without JL7) (Upper Intermediate Steering Shaft Replacement (Without JL7))
* Control Module References (Programming and Relearning)for PSCM replacement, setup, and programming