Understanding the Ford C1956 Trouble Code: Steering Angle Sensor Circuit Failure

Understanding the Ford C1956 Trouble Code: Steering Angle Sensor Circuit Failure

If you’re a Ford owner or car enthusiast, you may have encountered the C1956 trouble code. This diagnostic code is related to the steering angle sensor circuit and can appear in various Ford models. Let’s dive into what this code means, its implications, and how to address it.

What is the C1956 Code?

The C1956 code indicates a steering angle sensor circuit failure in Ford vehicles. This sensor is crucial for the proper functioning of systems like the Anti-lock Braking System (ABS), Electronic Stability Control (ESC), and power steering.

Top 20 Ford Vehicles Commonly Affected by the C1956 Code

While the C1956 code can appear in various Ford models, here are some vehicles that commonly experience this issue:

  1. Ford Focus
  2. Ford C-Max
  3. Ford Escape
  4. Ford Fusion
  5. Ford Fiesta
  6. Ford Edge
  7. Ford Explorer
  8. Ford F-150
  9. Ford Mustang
  10. Ford Taurus
  11. Ford Expedition
  12. Ford Ranger
  13. Ford Transit
  14. Ford EcoSport
  15. Ford Flex
  16. Ford Bronco
  17. Ford Mondeo
  18. Ford Kuga
  19. Ford Galaxy
  20. Ford S-Max

Implications for Vehicle Performance and Safety

The C1956 code can have several implications:

  • Power Steering Issues: You may see a “Power Steering Malfunction” warning on your dashboard.
  • ABS and Traction Control Problems: The steering angle sensor data is crucial for these systems, so they may not function correctly.
  • Safety Concerns: While the vehicle may still be driveable, the compromised functionality of safety systems like ABS and ESC could pose risks.

Diagnosing the C1956 Code

Here’s how to diagnose the issue:

  1. Use a Diagnostic Tool: A professional-grade scanner like Launch X431 can help identify the specific C1956 code.
  2. Visual Inspection: Check the steering angle sensor and its wiring for visible damage.
  3. Electrical Testing: Use a multimeter to check for continuity in the sensor circuit.
  4. Data Stream Analysis: Some diagnostic tools can show live data from the sensor, which can help identify intermittent issues.

Fixing the C1956 Code

To address the C1956 code:

  • Replace the Sensor: If the sensor is faulty, it may need replacement.
  • Repair Wiring: Check for and repair any damaged wiring in the sensor circuit.
  • Recalibration: After replacement or repair, the steering angle sensor often needs recalibration.
  • Reset the System: Use a diagnostic tool to clear the code and reset the system.

Key Symptoms and Solutions


  • “Power Steering Malfunction” warning
  • ABS or traction control light on
  • Steering feels different or unresponsive


  • Replace faulty steering angle sensor
  • Repair damaged wiring
  • Recalibrate the sensor using a diagnostic tool
  • Clear the code and reset the system

FAQ Section

Q: Is it safe to drive with the C1956 code? A: While the vehicle may still be driveable, it’s not recommended as safety systems may be compromised.

Q: What are the potential repair costs? A: Costs can vary widely, from about $100 for a simple sensor replacement to several hundred dollars if extensive diagnostics or wiring repairs are needed.

Q: How can I prevent this issue in the future? A: Regular maintenance and prompt attention to any steering or electrical issues can help prevent sensor failures.


The Ford C1956 trouble code, while potentially concerning, is a manageable issue when addressed promptly. By understanding its implications and following proper diagnostic and repair procedures, you can ensure your Ford vehicle maintains its performance, safety, and compliance with vehicle standards. Remember, when in doubt, it’s always best to consult with a professional mechanic familiar with Ford vehicles.

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