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C0071 Subaru Code - Change Range Of Steering Angle Sensor Is Too Big

Quick Answer

The C0071 diagnostic trouble code (DTC) for Subaru vehicles indicates that the change range of the steering angle sensor is too significant. Common causes include Faulty steering angle sensor, Loose or damaged wiring connections to the sensor, Corrosion or dirt buildup on the sensor. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
C0071 Subaru indicates Change Range Of Steering Angle Sensor Is Too Big.
Common causes
Common causes include Faulty steering angle sensor, Loose or damaged wiring connections to the sensor, Corrosion or dirt buildup on the sensor.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code C0071 Subaru Description

The C0071 diagnostic trouble code (DTC) for Subaru vehicles indicates that the change range of the steering angle sensor is too significant. The steering angle sensor is a crucial component of the vehicle's stability control system, as it provides information on the steering wheel position and rate of turn. When the change range of the sensor is too large, it can lead to inaccuracies in the vehicle's stability control system, affecting the overall handling and safety of the vehicle.

OBDII Code C0071 Subaru - Change Range Of Steering Angle Sensor Is Too Big
C0071 Subaru Code - Change Range Of Steering Angle Sensor Is Too Big

Common Causes of C0071 Subaru

  1. Faulty steering angle sensor
  2. Loose or damaged wiring connections to the sensor
  3. Corrosion or dirt buildup on the sensor
  4. Electronic control unit (ECU) communication issues
  5. Mechanical damage to the steering system affecting sensor readings

Symptoms of C0071 Subaru

  1. Illumination of the stability control warning light on the dashboard
  2. Erratic steering response or difficulty in maintaining a straight line
  3. Inaccurate readings on the vehicle's display or information system
  4. Increased effort required to turn the steering wheel
  5. Unusual noises or vibrations coming from the steering system

How to Fix C0071 Subaru

  1. Begin by diagnosing the exact cause of the issue using a diagnostic scan tool to read the DTC and determine the specific problem.
  2. Inspect the steering angle sensor and its wiring connections for any signs of damage, corrosion, or loose connections. Clean or repair as necessary.
  3. Calibrate the steering angle sensor according to manufacturer specifications using a professional-grade diagnostic tool.
  4. Reset the fault codes and perform a test drive to ensure that the issue has been resolved and the stability control system is functioning correctly.
  5. If the problem persists, consider replacing the steering angle sensor or seeking further professional assistance to address any underlying issues.

Cost to Fix C0071 Subaru

The cost of repairing a C0071 code on a Subaru vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of replacing a faulty steering angle sensor can range from $200 to $500, including parts and labor. Additional costs may be incurred if there are other underlying issues that need to be addressed. It's recommended to consult with a trusted auto repair shop to get an accurate estimate based on your vehicle's make and model. Keep in mind that labor rates and diagnostic fees can vary, so it's advisable to inquire about these costs upfront.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C0071 Subaru Code

1. What are the common symptoms of OBDII code C0071 in a Subaru?

The common symptoms of OBDII code C0071 in a Subaru include the traction control light or stability control light illuminating on the dashboard, steering response issues, and potential loss of stability control functionality.

2. What causes the OBDII code C0071 in a Subaru to trigger?

The OBDII code C0071 in a Subaru is triggered when the change range of the steering angle sensor is detected to be too large, indicating a potential issue with the sensor's calibration or mounting.

3. How can I diagnose the OBDII code C0071 in my Subaru?

To diagnose the OBDII code C0071 in your Subaru, you can use a professional OBDII scanner to read the code, inspect the steering angle sensor and its connections for any damage or misalignment, and perform a calibration of the sensor if necessary.

4. Can I drive my Subaru with the OBDII code C0071 present?

It is not recommended to drive your Subaru with the OBDII code C0071 present, as it may affect the vehicle's stability control system and compromise your safety on the road. It's best to address the issue promptly.

5. How do I repair the OBDII code C0071 in my Subaru?

To repair the OBDII code C0071 in your Subaru, you may need to recalibrate or replace the steering angle sensor, ensure proper mounting and alignment of the sensor, and clear the code using an OBDII scanner once the issue is resolved.

6. Is the OBDII code C0071 in a Subaru a serious issue?

While the OBDII code C0071 in a Subaru may not pose an immediate danger, it can impact the vehicle's stability control system and overall driving performance. It's essential to address the issue to maintain safe driving conditions.

7. Can I reset the OBDII code C0071 in my Subaru without fixing the underlying problem?

While you can clear the OBDII code C0071 using an OBDII scanner without fixing the underlying problem, it's not recommended as the issue may persist and affect your Subaru's stability control system in the long run.

8. Are there DIY methods to fix the OBDII code C0071 in a Subaru?

Depending on your experience and access to tools, you may be able to recalibrate or replace the steering angle sensor yourself to address the OBDII code C0071. However, for precise diagnostics and repairs, it's advisable to consult a professional technician.

9. What happens if the OBDII code C0071 in a Subaru is ignored?

Ignoring the OBDII code C0071 in a Subaru can lead to potential steering and stability control issues, compromising the vehicle's handling and safety. It's crucial to address the problem promptly to prevent further complications.

10. How much does it cost to fix the OBDII code C0071 in a Subaru at a repair shop?

The cost to fix the OBDII code C0071 in a Subaru at a repair shop can vary depending on the extent of the issue, the need for sensor recalibration or replacement, and labor costs. It's recommended to obtain quotes from different shops for comparison.

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