AutoCodes – Lexus – C15C2 Lexus

C15C2 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: C15C2 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 1,658

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 C15C2 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 C15C2 Lexus - Steering Angle Sensor Malfunction - AutoCodes.com — C15C2 Lexus Code - Steering Angle Sensor Malfunction

What does this mean?

What are the Possible Causes of the DTC C15C2 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 C15C2 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 C15C2 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 C15C2 Lexus 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 C15C2 Lexus Code

What does the OBDII code C15C2 mean for a Lexus vehicle?

The OBDII code C15C2 indicates a malfunction in the steering angle sensor, which is responsible for providing the vehicle's electronic stability control and traction control systems with accurate steering input data.

What are the common symptoms associated with the C15C2 code?

Common symptoms include the illumination of the check engine light, malfunction indicator light, potential issues with vehicle stability control, and abnormal steering response.

What can cause the C15C2 code to trigger?

The C15C2 code can be triggered by a faulty steering angle sensor, damaged wiring or connectors, misalignment of the sensor, or issues with the vehicle's electronic control unit (ECU).

How can I diagnose the C15C2 code?

To diagnose the C15C2 code, use an OBDII scanner to confirm the code, check the steering angle sensor's wiring and connectors for damage, and test the sensor's functionality with a multimeter.

What are common repair solutions for the C15C2 code?

Common repairs include replacing the faulty steering angle sensor, fixing damaged wiring or connectors, recalibrating the sensor, and updating or reprogramming the ECU if necessary.

Can I drive my Lexus with the C15C2 code active?

While you can drive with the C15C2 code active, it is not recommended as it may affect vehicle stability and handling, especially in adverse conditions.

How do I reset the C15C2 code after repairs?

After making the necessary repairs, you can reset the C15C2 code using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes. It's advisable to perform a test drive afterward to ensure the issue is resolved.

Is the steering angle sensor calibration necessary after replacement?

Yes, recalibrating the steering angle sensor is often necessary after replacement to ensure accurate readings and proper functionality of the vehicle's stability and traction control systems.

What is the average cost to repair a C15C2 code issue?

The cost to repair a C15C2 code issue can vary widely, typically ranging from $100 to $500, depending on whether the steering angle sensor needs to be replaced or if wiring repairs are required.