C0471 - Understanding the Steering Angle Sensor Issue in 2015-2018 Honda Accord and Other Models

Quick Answer

C0471 means: C0471 indicates a malfunction with the Steering Angle Sensor, affecting vehicle stability.

Fix: Check and replace faulty components Cost: $200 - $450 Time: 90-180 minutes

Can I drive with C0471? Immediate attention is recommended to prevent safety issues.

Common Questions

What does C0471 mean and how does it affect my car?

C0471 indicates a malfunction in the Steering Angle Sensor, which is crucial for vehicle stability and handling. When this sensor fails, you may experience unresponsive steering or warning lights like ABS and traction control. Ignoring this code can lead to serious handling issues and safety risks.

What are the most common causes of C0471 and how much does it cost to fix?

The most common cause of C0471 is a faulty Steering Angle Sensor, which can cost between $200 to $450 to replace. Misalignment and wiring issues are also common, with repair costs varying from $100 to $300. Always consult with a professional for accurate diagnostics and estimates.

Can I drive my car with C0471 or should I stop immediately?

While you may still drive your car with the C0471 code, it's not advisable to ignore it. The issue could lead to unsafe driving conditions, especially in wet or slippery conditions. If you experience steering problems, it's best to have your vehicle inspected immediately.

How can I diagnose C0471 myself using GeekOBD APP?

To diagnose C0471 with the GeekOBD APP, connect it to your vehicle's OBD2 port, perform a scan to retrieve trouble codes, and check for freeze frame data. This will provide context on when the issue occurred, helping you understand the severity of the fault.

What vehicles are most commonly affected by C0471?

The C0471 code is frequently seen in models like the 2015-2018 Honda Accord, 2016-2019 Toyota Camry, and several Ford vehicles from 2015-2019. Always check for any recalls or Technical Service Bulletins (TSBs) related to the steering system in your specific model.

How can I prevent C0471 from happening again?

To prevent C0471 from recurring, ensure regular maintenance of your vehicle's steering components. Avoiding potholes and rough driving can help maintain sensor alignment. Additionally, if repairs are made, ensure that the steering system is recalibrated correctly to prevent future issues.

What is C0471?

The DTC C0471 code relates to a malfunction in the Steering Angle Sensor (SAS), which plays a crucial role in the vehicle's stability control and steering responsiveness. This code typically indicates that the SAS is not transmitting the correct information to the vehicle's onboard computer, leading to potential issues with vehicle handling and safety features such as Electronic Stability Control (ESC). Drivers may notice that their vehicle's steering feels unresponsive or that warning lights on the dashboard, such as the traction control light or ABS light, become illuminated. The SAS is designed to monitor the steering wheel position relative to the vehicle's wheels and provide this information to the Engine Control Unit (ECU). If the sensor is faulty, misaligned, or there is a wiring issue, it can trigger the C0471 code. The implications of ignoring this code can range from decreased vehicle handling performance to increased risk of losing control, especially during adverse driving conditions. Therefore, timely diagnosis and repair are essential to ensure safe vehicle operation.

System: C - Chassis (ABS, Steering, Suspension)

Symptoms

Common symptoms when C0471 is present:

  • The check engine light remains illuminated, indicating a persistent issue with the steering system.
  • Drivers may experience a vague or unresponsive steering feel, particularly during turns, suggesting potential sensor failure.
  • Fuel economy may decrease, potentially by 10-15%, due to improper vehicle dynamics affecting engine load.
  • The ABS light or traction control light may frequently illuminate, signaling a disruption in vehicle stability systems.
  • In severe cases, the vehicle may enter limp mode, limiting speed and power to ensure safety.

Possible Causes

Most common causes of C0471 (ordered by frequency):

  1. The most common cause of C0471 is a faulty Steering Angle Sensor, with a likelihood of around 65%. This can occur due to wear and tear or electrical issues.
  2. Another common cause is misalignment of the steering sensor, which can happen after suspension repairs or accidents, leading to a 20% chance of triggering the code.
  3. A less frequent cause is wiring problems, such as damaged connectors or short circuits, which can lower the sensor's performance and has a 10% likelihood.
  4. In rare cases, a malfunctioning ECU can misinterpret sensor data, leading to the C0471 code being triggered, with about a 3% chance.
  5. An unusual but possible cause includes software glitches in the vehicle’s onboard computer, which may require updates to resolve.

C0471 Repair Costs

Cost Breakdown by Repair Type

Steering Angle Sensor Replacement

Replacing the faulty Steering Angle Sensor with a new OEM part.

  • Total: $200 - $450
  • Success rate: 90%
Wiring Repair

Repairing damaged wiring or connectors that affect sensor performance.

  • Total: $100 - $300
  • Success rate: 75%
Money-Saving Tips for C0471
  • Start with the most common and least expensive repairs first
  • Use GeekOBD APP to confirm diagnosis before replacing expensive parts
  • Consider preventive maintenance to avoid future occurrences
  • Compare prices for OEM vs aftermarket parts based on your needs
  • Address the issue promptly to prevent more expensive secondary damage

Diagnostic Steps

Professional C0471 Diagnosis Process

Follow these systematic steps to accurately diagnose C0471. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Conduct an initial visual inspection for damaged wiring, loose connections, or corrosion in the steering column area (5-10 minutes)

Step 1: Conduct an initial visual inspection for damaged wiring, loose connections, or corrosion in the steering column area (5-10 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 2: Step 2: Use a diagnostic tool like the GeekOBD APP to retrieve all trouble codes and freeze frame data, providing context for the issue (10-15 minutes)

Step 2: Use a diagnostic tool like the GeekOBD APP to retrieve all trouble codes and freeze frame data, providing context for the issue (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 3: Step 3: Test the Steering Angle Sensor using a multimeter to check for correct voltage and resistance readings (20-30 minutes)

Step 3: Test the Steering Angle Sensor using a multimeter to check for correct voltage and resistance readings (20-30 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 4: Step 4: After any repairs, perform a system function test to ensure the SAS is recalibrated and functioning correctly, clearing all codes (10-15 minutes)

Step 4: After any repairs, perform a system function test to ensure the SAS is recalibrated and functioning correctly, clearing all codes (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 5: Step 5: Conduct a road test under various driving conditions to confirm that the issue has been resolved and monitor for any return of symptoms (15-20 minutes)

Step 5: Conduct a road test under various driving conditions to confirm that the issue has been resolved and monitor for any return of symptoms (15-20 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.

Important Notes

  • Always verify the repair with GeekOBD APP after completing diagnostic steps
  • Clear codes and test drive to ensure the problem is resolved
  • Address underlying causes to prevent code recurrence

Real Repair Case Studies

Case Study 1: Steering Sensor Replacement in a 2016 Honda Accord

Vehicle: 2016 Honda Accord, 65,000 miles

Problem: Customer reported that the check engine light was on and steering felt unresponsive.

Diagnosis: Using the GeekOBD APP, we retrieved the C0471 code and confirmed a faulty Steering Angle Sensor through multimeter testing.

Solution: Replaced the Steering Angle Sensor and recalibrated the system.

Cost: $350 (parts $250, labor $100)

Result: Post-repair, the vehicle's handling improved, and the warning lights were cleared.

Case Study 2: Wiring Repair on a 2017 Ford Fusion

Vehicle: 2017 Ford Fusion, 55,000 miles

Problem: Customer complained of traction control light illuminating and steering issues.

Diagnosis: Diagnosed with wiring damage that affected the SAS signal using the GeekOBD APP.

Solution: Repaired the wiring and reconnected the sensor.

Cost: $150 (parts $20, labor $130)

Result: The traction control light was cleared, and normal steering function was restored.

Diagnose C0471

Use GeekOBD APP for professional diagnosis!

  • Real-time data monitoring
  • Advanced diagnostic features
  • Step-by-step repair guidance
  • Professional-grade analysis
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Code Information

Code: C0471
System: Chassis (ABS, Steering, Suspension)
Severity: HIGH
Category: Chassis Codes