AutoCodes – Generic – C15C1

C15C1 Code - Steering Angle Sensor Malfunction

Quick Answer

The Steering Control ECU detects a steering angle sensor malfunction by receiving an error signal from the steering angle sensor via CAN communication. Common causes include Faulty Steering Angle Sensor, Steering Angle Sensor harness is open or shorted, Steering Angle Sensor circuit poor electrical connection. 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
C15C1 indicates Steering Angle Sensor Malfunction.
Common causes
Common causes include Faulty Steering Angle Sensor, Steering Angle Sensor harness is open or shorted, Steering Angle Sensor circuit poor electrical connection.
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.
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Code Popularity 2,255
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 06, 2020
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Code C15C1 Description

The Steering Control ECU detects a steering angle sensor malfunction by receiving an error signal from the steering angle sensor via CAN communication. If the Steering Control ECU detects this error signal, it will turn the master warning light on, store these DTCs, and stop Variable Gear Ratio Steering (VGRS) operation.
OBDII Code C15C1 - Steering Angle Sensor Malfunction - AutoCodes.com
C15C1 Code - Steering Angle Sensor Malfunction

What are the Possible Causes of the DTC C15C1?

  • Faulty Steering Angle Sensor
  • Steering Angle Sensor harness is open or shorted
  • Steering Angle Sensor circuit poor electrical connection
  • Faulty Steering Control ECU

How to Fix the DTC C15C1?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C15C1 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the C15C1 code?

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Need Help with the Code?

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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 C15C1 Code

1. What are common symptoms of a Steering Angle Sensor malfunction (OBDII code C15C1)?

- Common symptoms include the traction control light or stability control light coming on, inaccurate steering wheel position readings, and potential loss of power steering assistance.

2. What usually causes the Steering Angle Sensor malfunction code C15C1?

- The code C15C1 is often caused by a faulty Steering Angle Sensor, damaged wiring, or a loose connection in the steering angle sensor system.

3. Can I still drive my vehicle with the Steering Angle Sensor malfunction code C15C1?

- It is not recommended to drive the vehicle with a faulty Steering Angle Sensor as it can affect the vehicle's stability control and power steering systems.

4. How can I diagnose the cause of the Steering Angle Sensor malfunction code C15C1?

- Diagnosing the issue typically involves using a professional OBDII scanner to read the specific error codes, checking the wiring and connections to the Steering Angle Sensor, and testing the sensor itself for proper function.

5. Is it possible to reset the Steering Angle Sensor without replacing it?

- In some cases, resetting the Steering Angle Sensor through a proper calibration process may resolve the issue temporarily. However, if the problem persists, the sensor may need to be replaced.

6. How much does it cost to repair a Steering Angle Sensor malfunction (OBDII code C15C1)?

- The cost of repairing a Steering Angle Sensor malfunction can vary depending on the exact cause of the issue, but it may range from $200 to $500 including parts and labor.

7. Can a DIY enthusiast fix the Steering Angle Sensor malfunction code C15C1?

- While some experienced DIY enthusiasts may be able to diagnose and replace a faulty Steering Angle Sensor, it is recommended to seek professional help due to the complexity and importance of this component.

8. Will a Steering Angle Sensor malfunction affect my vehicle's safety?

- Yes, a malfunctioning Steering Angle Sensor can impact the vehicle's stability control system, potentially compromising safety during driving maneuvers and in adverse road conditions.

9. How long does it take to repair a Steering Angle Sensor malfunction?

- The repair time for a Steering Angle Sensor malfunction can vary depending on the extent of the issue and the availability of parts, but it typically takes a few hours to complete.

10. Can a Steering Angle Sensor malfunction cause other problems in the vehicle?

- Yes, a malfunctioning Steering Angle Sensor can lead to issues with the vehicle's traction control, stability control, and power steering systems, affecting overall driving performance and safety.

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