AutoCodes – Lexus – C15C5 Lexus

C15C5 Lexus Code - Motor Revolution Angle Signal

Quick Answer

The steering actuator drives the internal motor using the current output from the steering control ECU to change the relative angle between the tire angle and steering wheel angle. Common causes include Faulty Steering Actuator, Steering Actuator harness is open or shorted, Steering Actuator 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: C15C5 Lexus indicates Motor Revolution Angle Signal.
Common causes: Common causes include Faulty Steering Actuator, Steering Actuator harness is open or shorted, Steering Actuator 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 2,214

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 05, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C15C5 Lexus Description

The steering actuator drives the internal motor using the current output from the steering control ECU to change the relative angle between the tire angle and steering wheel angle. The rotation angle sensor in the steering actuator detects the motor rotation angle and outputs this information to the steering control ECU.

OBDII Code C15C5 Lexus - Motor Revolution Angle Signal - AutoCodes.com — C15C5 Lexus Code - Motor Revolution Angle Signal

What does this mean?

What are the Possible Causes of the DTC C15C5 Lexus?

Faulty Steering Actuator
Steering Actuator harness is open or shorted
Steering Actuator circuit poor electrical connection
Faulty Steering Control ECU

How to Fix the DTC C15C5 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 C15C5 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 C15C5 Lexus code?

Need more information on how to fix the C15C5 Lexus code? Get Access to Factory Service Manuals

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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 C15C5 Lexus Code

1. What are the common symptoms of OBDII code C15C5 in a Lexus related to the Motor Revolution Angle Signal?

- Common symptoms include engine misfires, rough idling, poor acceleration, and potential stalling of the vehicle.

2. What are the possible causes of OBDII code C15C5 in a Lexus?

- The code C15C5 in a Lexus can be triggered by issues such as a faulty motor revolution angle sensor, wiring problems, or a malfunctioning Engine Control Module (ECM).

3. How can I diagnose the root cause of OBDII code C15C5 in my Lexus?

- Diagnosing the code may involve using a scan tool to read the error codes, testing the motor revolution angle sensor, inspecting the wiring for any damages, and checking the ECM for proper functioning.

4. Can a DIY enthusiast repair OBDII code C15C5 in a Lexus?

- While some basic troubleshooting like checking for loose connections or damaged wires can be done by DIY enthusiasts, diagnosing and repairing the root cause of the code may require advanced tools and expertise best handled by a professional mechanic.

5. Is it safe to drive my Lexus with OBDII code C15C5 present?

- It is not recommended to drive your Lexus with the C15C5 code as it can lead to performance issues and potential safety hazards. It's best to address the underlying problem promptly.

6. How much does it typically cost to repair OBDII code C15C5 in a Lexus?

- The cost of repairing the C15C5 code in a Lexus can vary depending on the root cause of the issue. It may range from a simple sensor replacement to more complex ECM repairs, so it's best to get a professional diagnosis for an accurate estimate.

7. Can resetting the fault codes clear OBDII code C15C5 in a Lexus?

- Resetting the fault codes may temporarily clear the error, but if the underlying issue causing the C15C5 code is not addressed, it is likely to reappear once the problem resurfaces.

8. Are there any preventive maintenance tips to avoid OBDII code C15C5 in a Lexus?

- Regularly checking and maintaining the motor revolution angle sensor, as well as ensuring the wiring connections are secure, can help prevent issues that trigger the C15C5 code in a Lexus.

9. How long does it take to repair OBDII code C15C5 in a Lexus?

- The repair time for the C15C5 code can vary based on the specific cause of the issue and the complexity of the repair. It could range from a quick sensor replacement to more extensive troubleshooting that may take several hours.

10. Will OBDII code C15C5 cause permanent damage to my Lexus if left unrepaired?

- Ignoring the C15C5 code could potentially lead to further damage to your Lexus's engine or other components over time. It's advisable to address the issue promptly to prevent any long-term consequences.