AutoCodes – Generic – C123F

C123F Code - Steering Angle Sensor Comparative Performance

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Steering Angle Sensor. 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
C123F indicates Steering Angle Sensor Comparative Performance.
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 13,961
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 28, 2020
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Code C123F Description

The Anti-Lock Brake System (ABS) Module monitors the Steering Angle Sensor. The ABS Module sets the OBDII code if the ABS Module detects that either the calculated steering wheel angle offset or the steering wheel angle signal measured output is implausible or has the wrong sign.
OBDII Code C123F - Steering Angle Sensor Comparative Performance - AutoCodes.com
C123F Code - Steering Angle Sensor Comparative Performance

What are the Possible Causes of the DTC C123F?

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

How to Fix the DTC C123F?

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 C123F 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 C123F code?

Need more information on how to fix the C123F code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C123F code diagnosed by a professional: Find a repair shop in your area

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 C123F Code

1. What are the common symptoms of OBDII code C123F (Steering Angle Sensor Comparative Performance)?

The common symptoms include the traction control light or stability control light illuminating on the dashboard, steering wheel not returning to center properly, and potential loss of stability control functionality.

2. What are the possible causes of OBDII code C123F?

Possible causes of this code include a faulty steering angle sensor, issues with the steering angle sensor calibration, damaged wiring or connectors related to the sensor, or a malfunction in the stability control system.

3. How can I diagnose the Steering Angle Sensor Comparative Performance issue?

Diagnosing this issue typically involves using a professional OBDII scanner to read and interpret the code, checking the wiring and connectors for any damage, and performing calibration or resetting procedures for the steering angle sensor.

4. Can I drive my vehicle with OBDII code C123F present?

It is not recommended to drive your vehicle with this code present, as it may affect the stability and control of the vehicle, especially in certain driving conditions. It's best to address the issue promptly.

5. How can I repair OBDII code C123F?

Repairing this code may involve recalibrating or replacing the steering angle sensor, repairing any damaged wiring or connectors, and resetting the stability control system. It is advisable to consult a professional mechanic for accurate diagnosis and repair.

6. Is it safe to continue driving if the traction control or stability control lights are on?

It is not ideal to continue driving with the traction control or stability control lights on, as it indicates a potential issue with the vehicle's safety systems. It's best to have the vehicle inspected and repaired to ensure safe driving conditions.

7. Can a DIY enthusiast fix OBDII code C123F at home?

While some basic troubleshooting steps can be performed at home, fixing OBDII code C123F may require specialized tools and expertise. It is recommended to consult a professional mechanic for proper diagnosis and repair.

8. How critical is it to address OBDII code C123F promptly?

Addressing this code promptly is crucial, as it can affect the vehicle's stability and safety systems. Ignoring the issue may lead to compromised handling and control while driving.

9. What is the role of the steering angle sensor in a vehicle?

The steering angle sensor is responsible for measuring the angle and rate of rotation of the steering wheel. This information is used by the stability control system to help optimize vehicle stability and control during driving.

10. Can weather or road conditions trigger OBDII code C123F?

Extreme weather conditions or rough road surfaces may indirectly contribute to triggering OBDII code C123F by putting additional stress on the steering angle sensor or stability control system. Regular maintenance and care can help prevent such issues.

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