Buick Regal Owners & Service Manuals

Buick Regal: DTC C0460

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 C0460

Steering Wheel Angle Sensor

Symptom Byte Information: Symptom Byte List.

Circuit/System Description

For an overview of the component/system, refer to:ABS Description and Operation.

Conditions for Running the DTC

  • K17 Electronic Brake Control Module = During control module power up
  • Ignition Voltage = Greater than 8 V
  • Vehicle Speed = Greater than 20 km/h (12 MPH)

Conditions for Setting the DTC

C0460 42

Steering Wheel Angle Sensor = Calibration Not Programmed

C0460 4B

Steering Wheel Angle Sensor = Calibration Not Learned - Zero position not set.

C0460 58

Steering Wheel Angle Sensor = Performance

C0460 5A

Steering Wheel Angle Sensor Signal = Not Plausible

Actions Taken When the DTC Sets

Power Steering Output Torque = Disabled

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

Circuit/System Verification

C0460 42

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

2. Verify DTC C0460 42 is not set.

  • If the DTC is set
  1. Perform the following action: Rotate the steering wheel - To the full stop position - Left & Right
  2. Clear the DTCs.
  3. Verify the DTC does not set.
    • If the DTC sets - Replace the component: K43 Power Steering Control Module
    • Go to next step: If the DTC is not set
  4. All OK.
  • Go to next step: If the DTC is not set

3. All OK.

C0460 4B

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

2. Verify DTC C0460 4B is not set.

  • If the DTC is set
  1. Perform the following procedure/test:Power Steering Control Module Calibration
  2. Verify the DTC does not set.
    • If the DTC sets - Replace the component: K43 Power Steering Control Module
    • Go to next step: If the DTC is not set
  3. All OK.
  • Go to next step: If the DTC is not set

3. All OK.

C0460 58

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

2. Verify DTC C0460 58 is not set.

NOTE: Inspect the electrical connectors and the ground circuits of the component for poor connections.

3.

  • If the DTC is set

Replace the component: Steering Gear

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

4. All OK.

C0460 5A

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

2. Verify there are no other DTCs set, except for DTC C0460 5A.

  • If any other DTCs are set

Refer to:Diagnostic Trouble Code (DTC) List - Vehicle

  • Go to next step: If no other DTCs are set

3. Verify the following conditions do not exist: Front wheel alignment - Incorrect adjustment.

4. Verify the scan tool parameter: Steering Wheel Angle = 0 degrees.

  • If not 0º
  1. Perform the following procedure/test:Power Steering Control Module Calibration
  2. Verify the DTC does not set.
    • If the DTC sets - Replace the component: K43 Power Steering Control Module
    • Go to next step: If the DTC does not set
  3. All OK.
  • Go to next step: If 0º

5. 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 C0475

    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 C047A

    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 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

    SEE MORE:

     Hydraulic Brake System Bleeding (Pressure)

    WARNING: Refer to Brake Fluid Irritant Warning. CAUTION: Refer to Brake Fluid Effects on Paint and Electrical Components Caution. CAUTION: Only use products that comply with GM specifications and check manufacturer information respectively. We recommend the use of GM genuine products. Instructions

     DTC B371A

    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 DT

    © 2019-2024 Copyright www.buregal6.com