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.
- Perform the following action: Rotate the steering wheel - To the full
stop position - Left &
Right
- Clear the DTCs.
- 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
- 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.
- Perform the following procedure/test:Power Steering Control Module
Calibration
- 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
- 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.
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.
- Perform the following procedure/test:Power Steering Control Module
Calibration
- 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
- All OK.
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:
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
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
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:
Input Carrier Flange
Forward Clutch Backing Plate Retaining Ring
Front Internal Gear
NOTE:
Rotate to index the clutch plate and ensure seated.
Front Carrier Thrust Bearing
Front Carrier Thrust Bearing Race
FRONT CARRIER INSTALLATION
Sun Gear Rear Thrust Bearing Race
Front Carrier
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