Power Steering Motor or Torque Sensor Replacement
| IMPORTANT | The power steering motor is serviced separately from the steering gear. However, the torque sensor is serviced as part of the steering gear assembly. |
After replacing either the steering gear assembly or the power steering motor, only the Steering Position/Torque Sensor Calibration procedure must be performed. Certain steering symptoms can be corrected by performing the Steering Position/Torque Sensor Calibration procedure such as
- Poor, or uneven return to center
- Poor, or uneven on center feel
Steering Position/Torque Sensor Calibration
| IMPORTANT | Since there is no steering assist while performing this procedure, the procedure might be easier to accomplish if the vehicle is raised slightly off the ground using a hoist. Follow all on-screen instructions displayed on the scan tool in order of appearance. |
- Install the scan tool.
- Engine ON.
- With the scan tool select Chassis, Power Steering Control Module and then Special Functions.
- Center the steering wheel.
- Turn the steering wheel 90 degrees from center to the right, and 90 degrees from center to the left, return the steering wheel to center.
- With the steering wheel centered, remove hands from the steering wheel and then press the calibrate key. The steering wheel may vibrate slightly for approximately 2-3 seconds.
- Wait until the scan tool screen displays "Calibration Complete". If the scan tool displays "Procedure Incomplete", repeat the calibration procedure.
- Press the exit key. Verify there is no uneven steering feel by turning the steering wheel from left to right. If the steering feel seems uneven as the steering wheel is turned in either direction, repeat the calibration procedure.
- Use the scan tool in order to clear any PSCM DTCs.
- Turn OFF the ignition.
See also:
• Accessory DC Power Control Module Scan Tool Information
• Radio Speaker Amplifier Scan Tool Information
• Auxiliary Body Control Module Scan Tool Information
• Body Control Module Scan Tool Information
• Communication Interface Module Scan Tool Information
• Digital Radio Receiver Scan Tool Information
• Door Lock Control Module Scan Tool Information (Passenger Door Switch)
• Drive Motor Generator Battery Control Module Scan Tool Information
• Hybrid Powertrain Control Module Scan Tool Information
• Motor Control Module 1 Scan Tool Information
• Motor Control Module 2 Scan Tool Information
• Driver Seat Adjuster Memory Module Scan Tool Information
• Electronic Brake Control Module Scan Tool Information (Non-Hybrid)
• Engine Control Module Scan Tool Information (with RPO LMM)
• Fuel Pump Flow Control Module Scan Tool Information
• Glow Plug Control Module Scan Tool Information
• Heating, Ventilation and Air Conditioning Control Module Scan Tool Information
• Inflatable Restraint Passenger Presence System Scan Tool Information
• Inflatable Restraint Sensing and Diagnostic Module Scan Tool Information
• Inflatable Restraint Vehicle Rollover Sensor Scan Tool Information
• Instrument Cluster Scan Tool Information
• Rear Object Alarm Module Scan Tool Information
• Radio Scan Tool Information
• Remote Control Door Lock Receiver Scan Tool Information
• Serial Data Gateway Module Scan Tool Information
• Theft Deterrent Module Scan Tool Information
• Trailer Brake Control Module Scan Tool Information
• Transfer Case Shift Control Module Scan Tool Information (MP 1625/1626-NQF)
• Transmission Control Module Scan Tool Information (4L60-E)