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Engine-Codes – Generic – C1172

C1172 Code - Steering Angle Sensor Internal Fault

Quick Answer

The C1172 diagnostic trouble code indicates an internal fault with the steering angle sensor in the vehicle. Common causes include Electrical issues such as a short circuit or wiring damage, Mechanical damage to the steering angle sensor, Corrosion or moisture ingress affecting sensor performance. 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
C1172 indicates Steering Angle Sensor Internal Fault.
Common causes
Common causes include Electrical issues such as a short circuit or wiring damage, Mechanical damage to the steering angle sensor, Corrosion or moisture ingress affecting sensor performance.
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 09, 2024
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Code C1172 Description

The C1172 diagnostic trouble code indicates an internal fault with the steering angle sensor in the vehicle. The steering angle sensor is a crucial component of the vehicle's stability control system, as it measures the angle and rate of rotation of the steering wheel. This information is used by the vehicle's electronic stability control system to help maintain traction and stability during various driving conditions.

OBDII Code C1172 - Steering Angle Sensor Internal Fault
C1172 Code - Steering Angle Sensor Internal Fault

Common Causes of C1172

  1. Electrical issues such as a short circuit or wiring damage
  2. Mechanical damage to the steering angle sensor
  3. Corrosion or moisture ingress affecting sensor performance
  4. Software issues within the vehicle's stability control system
  5. General wear and tear over time

Symptoms of C1172

  1. ABS or stability control warning lights illuminated on the dashboard
  2. Traction control system not functioning properly
  3. Steering wheel feeling loose or unresponsive
  4. Vehicle pulling to one side during driving
  5. Unusual noises coming from the steering system

How to Fix C1172

  1. Diagnose the specific cause of the internal fault with the steering angle sensor using a diagnostic scanner
  2. Inspect the wiring and connections to the sensor for any damage or corrosion
  3. Replace the steering angle sensor if it is found to be faulty
  4. Clear the diagnostic trouble codes from the vehicle's system
  5. Test drive the vehicle to ensure the issue has been resolved

Cost to Fix C1172

The typical repair costs for addressing a steering angle sensor internal fault can vary depending on the make and model of the vehicle, as well as the labor rates in your area. On average, replacing a steering angle sensor can cost between $200 and $500, including parts and labor. It is important to note that diagnostic time and labor rates at auto repair shops can vary, so it is advisable to contact local shops for a more accurate estimate.

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Code C1172 Information for Specific Makes

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 C1172 Code

1. What are the common symptoms of OBDII code C1172 (Steering Angle Sensor Internal Fault)?

The common symptoms of OBDII code C1172 include the traction control and stability control lights illuminating on the dashboard, erratic steering behavior, and potential loss of control while driving.

2. What typically causes the OBDII code C1172 (Steering Angle Sensor Internal Fault)?

The most common cause of OBDII code C1172 is a malfunction or failure in the steering angle sensor itself. This sensor is responsible for measuring the steering wheel angle and is crucial for the proper functioning of the vehicle's stability control system.

3. How can I diagnose the OBDII code C1172 (Steering Angle Sensor Internal Fault)?

Diagnosing OBDII code C1172 usually involves using a diagnostic scanner to read the fault code and then performing further testing on the steering angle sensor to determine if it is faulty or if there are any wiring issues causing the problem.

4. Can I still drive my vehicle with OBDII code C1172 (Steering Angle Sensor Internal Fault)?

It is not recommended to drive your vehicle with OBDII code C1172 present, as it can affect the stability and control of your vehicle. It is best to have the issue diagnosed and repaired as soon as possible.

5. How can I repair OBDII code C1172 (Steering Angle Sensor Internal Fault)?

Repairing OBDII code C1172 typically involves replacing the faulty steering angle sensor. It is crucial to use a high-quality replacement sensor and ensure proper installation to prevent the issue from reoccurring.

6. Is it possible to reset OBDII code C1172 (Steering Angle Sensor Internal Fault) without replacing the sensor?

In some cases, resetting the fault code may temporarily clear the warning lights on the dashboard. However, if the underlying issue with the steering angle sensor is not addressed, the code is likely to reappear.

7. How much does it cost to repair OBDII code C1172 (Steering Angle Sensor Internal Fault)?

The cost of repairing OBDII code C1172 can vary depending on the make and model of your vehicle, the labor rates of the repair shop, and the cost of the replacement steering angle sensor. It is advisable to get a few quotes from different shops to compare prices.

8. Can a DIY enthusiast fix OBDII code C1172 (Steering Angle Sensor Internal Fault)?

While some experienced DIY enthusiasts may be able to replace the steering angle sensor themselves, it is recommended to have this repair done by a professional technician. Proper diagnosis and installation are crucial to ensure the issue is resolved correctly.

9. Will OBDII code C1172 (Steering Angle Sensor Internal Fault) cause my vehicle to fail an emissions test?

OBDII code C1172 is not directly related to emissions, so it should not cause your vehicle to fail an emissions test. However, it is still important to address this issue promptly to ensure the safety and performance of your vehicle.

10. How long does it take to repair OBDII code C1172 (Steering Angle Sensor Internal Fault)?

The repair time for OBDII code C1172 can vary depending on the accessibility of the steering angle sensor in your vehicle and the experience of the technician. In general, it may take a few hours to replace the sensor and perform necessary testing to ensure proper functionality.

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