Workshop Manuals Factory service & repair Vauxhall
Vauxhall Astra J17 · Steering
17 · Steering & suspension

DTC C044A

Make
Vauxhall
Model
Astra J
Section
Diagnostic Information and Procedures › Miscellaneous › DTC C044A
SteeringDTC C044A

DTC C044A

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 C044A 71: Steering System Engine Speed Signal Circuit Invalid Data

Circuit/System Description

The power steering control module receives the engine speed signal from the engine control module.

Conditions for Running the DTC

The ignition is ON.

Conditions for Setting the DTC

The power steering control module detects a invalid engine speed signal on the CAN Bus.

Action Taken When the DTC Sets

•  DTC C044A is stored in memory.
•  The driver information center displays the SERVICE POWER STEERING warning message.

Conditions for Clearing the DTC

•  A current DTC will clear on the next malfunction-free ignition cycle.
•  A history DTC will clear after 40 consecutive malfunction-free ignition cycles.

Reference Information


Schematic Reference

Power Steering Schematics


Connector End View Reference

Component Connector End Views


Description and Operation

Power Steering System Description and Operation


Electrical Information Reference


Scan Tool Reference

Control Module References for scan tool information

Circuit/System Verification

Verify that DTC C044A 71 is not set.

If the DTC is set, replace the K43 Power Steering Control Module.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

•  Power Steering Assist Motor Replacement for power steering control module replacement
•  Control Module References for power steering control module replacement, programming and setup

Parts & tools for this job For Vauxhall Astra

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