C code chassis Medium severity

C1442 Steering Phase B Circuit Signal Is Not Sensed

The OBD2 code C1442 indicates that the vehicle's steering phase B circuit is not detecting a signal, which may affect the steering system's performance or functionality

Definition

The OBD2 code C1442 indicates that the vehicle's steering phase B circuit is not detecting a signal, which may affect the steering system's performance or functionality

Common causes

  • Faulty steering angle sensor
  • Damaged wiring or connectors
  • Poor electrical connections
  • Malfunctioning power steering control module
  • Software issues or calibration errors
  • Low power steering fluid levels
  • Mechanical issues in the steering system

Common misdiagnoses

  • Faulty steering angle sensor
  • Wiring issues or shorts in the steering system
  • Malfunctioning power steering control module
  • Incorrectly calibrated steering system
  • Faulty steering rack or gear
  • Issues with the vehicle's electronic stability control (ESC) system
  • Problems with the vehicle's body control module (BCM)

Troubleshooting steps

  1. 1. Check for Additional Codes

    Before proceeding, check for any other related trouble codes that may provide more context to the issue

  2. 2. Inspect Wiring and Connectors

  3. 3. Visually inspect the wiring harness and connectors associated with the steering angle sensor and the steering system

  4. 4. Look for signs of damage, corrosion, loose connections, or frayed wires

  5. 5. Ensure that all connectors are securely plugged in

  6. 6. Test the Steering Angle Sensor

  7. 7. Use a multimeter to test the resistance and voltage output of the steering angle sensor

  8. 8. Compare the readings to the manufacturer's specifications

  9. 9. If the sensor is faulty, it may need to be replaced

  10. 10. Check for Mechanical Issues

  11. 11. Ensure that the steering system is functioning properly and that there are no mechanical obstructions or binding in the steering column or rack

  12. 12. Check for any signs of wear or damage in the steering components

  13. 13. Inspect the Power Supply

  14. 14. Verify that the steering angle sensor is receiving the correct power supply

  15. 15. Check the fuses related to the steering system to ensure they are not blown

  16. 16. Clear Codes and Test Drive

  17. 17. After performing the above checks and repairs, clear the trouble codes using an OBD-II scanner

  18. 18. Take the vehicle for a test drive to see if the code reappears

  19. 19. Check for Software Updates

  20. 20. In some cases, the issue may be related to software. Check with the manufacturer for any available updates for the vehicle's control modules

  21. 21. Consult Technical Service Bulletins (TSBs)

  22. 22. Look for any TSBs related to the steering system or the specific code C1442 for your vehicle make and model. Manufacturers may have specific fixes or recommendations

  23. 23. Professional Diagnosis

  24. 24. If the issue persists after performing the above steps, consider seeking help from a professional mechanic or dealership. They may have specialized diagnostic tools and experience with your specific vehicle. By following these troubleshooting steps, you should be able to identify and resolve the issue related to the C1442 code