AutoCodes – Lexus – C15C1 Lexus

C15C1 Lexus 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 Lexus 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 1,386

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 06, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C15C1 Lexus 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 Lexus - Steering Angle Sensor Malfunction - AutoCodes.com — C15C1 Lexus Code - Steering Angle Sensor Malfunction

What does this mean?

What are the Possible Causes of the DTC C15C1 Lexus?

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 Lexus?

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 Lexus 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 Lexus code?

Need more information on how to fix the C15C1 Lexus code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 C15C1 Lexus Code

1. What are the common symptoms of a Steering Angle Sensor malfunction in a Lexus causing the OBDII code C15C1?

- Common symptoms include the traction control light or stability control light illuminating on the dashboard, steering wheel alignment issues, and potential loss of power steering assist.

2. What are the possible causes of the Steering Angle Sensor malfunction triggering the OBDII code C15C1 in a Lexus?

- Potential causes include a faulty steering angle sensor, damaged wiring or connectors related to the sensor, or issues with the sensor calibration.

3. How can I diagnose a Steering Angle Sensor issue in my Lexus when experiencing the OBDII code C15C1?

- Diagnosis typically involves using a professional OBDII scanner to read the specific error code, checking the sensor's wiring and connections, and performing a calibration or reset procedure if necessary.

4. Is it safe to continue driving my Lexus with the OBDII code C15C1 related to the Steering Angle Sensor malfunction?

- It is not recommended to drive your Lexus with a malfunctioning Steering Angle Sensor, as it can affect the vehicle's stability control system and potentially compromise safety.

5. Can I reset the OBDII code C15C1 related to the Steering Angle Sensor malfunction in my Lexus without fixing the underlying issue?

- While you can clear the error code temporarily, it is crucial to address the root cause of the problem to prevent further issues and ensure the vehicle's safety systems function correctly.

6. How much does it typically cost to repair a Steering Angle Sensor issue causing the OBDII code C15C1 in a Lexus?

- Repair costs can vary depending on the exact cause of the problem, but replacing a faulty steering angle sensor or repairing related wiring may range from $200 to $500 or more.

7. Can I attempt to calibrate or reset the Steering Angle Sensor in my Lexus to resolve the OBDII code C15C1 without professional help?

- While some basic calibration procedures can be done manually, it is recommended to consult a qualified technician or refer to the vehicle's service manual for proper calibration steps to avoid potential errors.

8. Are there any preventive maintenance measures I can take to avoid encountering the OBDII code C15C1 due to Steering Angle Sensor issues in my Lexus?

- Regularly inspecting the steering system, keeping the sensor connections clean and secure, and following the manufacturer's recommended maintenance schedule can help prevent Steering Angle Sensor malfunctions.