Buick Regal Owners & Service Manuals

Buick Regal: DTC C0545

Diagnostic Instructions

  • Perform the Diagnostic System Check prior to using this diagnostic procedure:Diagnostic System Check - Vehicle
  • Review the description of Strategy Based Diagnosis:Strategy Based Diagnosis
  • An overview of each diagnostic category can be found here:Diagnostic Procedure Instructions

DTC Descriptor

DTC C0545

Steering Wheel Torque Sensor

Symptom Byte Information: Symptom Byte List.

Circuit/System Description

For an overview of the component/system, refer to:Power Steering System Description and Operation (Electronic Power Steering).

Conditions for Running the DTC

Ignition = On

Conditions for Setting the DTC

  • Steering Wheel Torque Sensor = Short to Ground
  • Steering Wheel Torque Sensor = Short to Voltage
  • Steering Wheel Torque Sensor = Open/High Resistance

Actions Taken When the DTC Sets

  • Power Steering Output Torque = Disabled
  • P9 Driver Information Center Display = Service Power Steering

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 Wiring Schematics

Connector End View Reference

COMPONENT CONNECTOR END VIEW INDEX

Electrical Information Reference

  • Circuit Testing
  • Connector Repairs
  • Testing for Intermittent Conditions and Poor Connections
  • Wiring Repairs

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference

Control Module References

Circuit/System Verification

1. Ignition - On / Vehicle - In Service Mode.

2. Verify DTC C0545 is not set.

  • If the DTC is set

Replace the component: Steering Gear

  • Go to next step: If the DTC is not set

3. All OK.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification

  • Electric Dual Pinion Rack and Pinion Steering Gear Replacement
  • For control module replacement, programming, and setup refer to: Control Module References

    READ NEXT:

     DTC C0569

    Diagnostic Instructions Perform the Diagnostic System Check prior to using this diagnostic procedure:Diagnostic System Check - Vehicle Review the description of Strategy Based Diagnosis:Strategy

     DTC C056D

    Diagnostic Instructions Perform the Diagnostic System Check prior to using this diagnostic procedure:Diagnostic System Check - Vehicle Review the description of Strategy Based Diagnosis:Strategy

     DTC C056D (Power Steering Control Module)

    Diagnostic Instructions Perform the Diagnostic System Check prior to using this diagnostic procedure:Diagnostic System Check - Vehicle Review the description of Strategy Based Diagnosis:Strategy

    SEE MORE:

     Collision/Detection Systems

    Touch and the following may display: Forward Collision System Front Pedestrian Detection Rear Cross Traffic Alert Adaptive Cruise Go Notifier Lane Change Alert Forward Collision System This feature will turn on or off Forward Collision Alert (FCA) and Forward Automatic Braking (FAB). The Off

     Tire Sidewall Labeling

    Useful information about a tire is molded into its sidewall. The examples show a typical passenger vehicle tire and a compact spare tire sidewall. Passenger (P-Metric) Tire Example Tire Size : The tire size is a combination of letters and numbers used to define a particular tire's width, heigh

    © 2019-2024 Copyright www.buregal6.com