how to fix C0521 code in my Ram 1500 DT (2019-Present)

Learn how to diagnose and fix C0521 steering angle sensor issues in Ram 1500 DT. Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather tools and parts required for the repair.
• Ensure the vehicle is parked on a level surface and the ignition is off.
• Disconnect the battery to prevent electrical shorts.

2. Inspect and Repair Wiring

• Inspect Wiring:
  • Remove the steering column cover to access the wiring harness.
  • Check for frayed wires, damaged connectors, or corrosion.
• Repair as Necessary:
  • Replace any damaged wires or connectors.
  • Use heat shrink tubing to insulate any repairs.

3. Replace Steering Angle Sensor

• Remove the Old Sensor:
  • Disconnect the electrical connector from the steering angle sensor.
  • Remove any mounting screws or bolts securing the sensor to the steering column.
• Install the New Sensor:
  • Position the new steering angle sensor in place and secure it with screws or bolts.
  • Reconnect the electrical connector.

4. Calibration of the Steering Angle Sensor

• Calibration Process:
  • Reconnect the battery and start the vehicle.
  • Use a diagnostic scanner to access the steering angle sensor calibration function.
  • Follow the on-screen instructions to complete the calibration process.

5. Final Checks

• Test Drive:
  • Take the vehicle for a test drive to ensure the steering feels normal and the warning lights are off.
  • Monitor the steering angle sensor readings to confirm accuracy.