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:
Seat Belts
This section describes how to use
seat belts properly, and some things
not to do.
Warning:
Do not let anyone ride where a
seat belt cannot be worn properly.
In a crash, if you or your
passenger(s) are not wearing
seat belts, injuries can be much
worse than if you are wearing
seat belts. You can be
Introduction
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slogans, vehicle model names, and
vehicle body designs appearing in
this manual including, but not limited
to, GM, the GM logo, BUICK, the
BUICK Emblem, and REGAL are
trademarks and/or service marks of
General Motors LLC, its
subsidiaries, affiliates, or licensors.
For v
