AutoCodes – Generic – C003D

C003D Code - Rear Wheel Speed Sensor

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Rear Wheel Speed Sensor. Common causes include Faulty Rear Wheel Speed Sensor, Rear Wheel Speed Sensor harness is open or shorted, Rear Wheel Speed 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: C003D indicates Rear Wheel Speed Sensor.
Common causes: Common causes include Faulty Rear Wheel Speed Sensor, Rear Wheel Speed Sensor harness is open or shorted, Rear Wheel Speed 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 1,314

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 May 02, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code C003D Description

The Anti-Lock Brake System (ABS) Module monitors the Rear Wheel Speed Sensor. The ABS Module sets the OBDII code when the Rear Wheel Speed Sensor is not to factory specifications.

OBDII Code C003D - Rear Wheel Speed Sensor - AutoCodes.com — C003D Code - Rear Wheel Speed Sensor

What does this mean?

What are the Possible Causes of the DTC C003D?

Faulty Rear Wheel Speed Sensor
Rear Wheel Speed Sensor harness is open or shorted
Rear Wheel Speed Sensor circuit poor electrical connection

How to Fix the DTC C003D?

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 C003D 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 C003D code?

Need more information on how to fix the C003D code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C003D code diagnosed by a professional: Find a repair shop in your area

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 C003D Code

1. What are the common symptoms of OBDII code C003D related to the rear wheel speed sensor?

- Common symptoms include ABS or traction control warning lights illuminated on the dashboard, erratic behavior of the ABS system, and potential loss of traction control.

2. What are the possible causes of OBDII code C003D indicating a fault with the rear wheel speed sensor?

- Possible causes include a faulty rear wheel speed sensor, damaged wiring or connectors leading to the sensor, or issues with the sensor's mounting position.

3. How can I diagnose the root cause of OBDII code C003D concerning the rear wheel speed sensor?

- Diagnosis typically involves checking the sensor's wiring and connectors for damage, testing the sensor's resistance, and inspecting the sensor's mounting for proper alignment.

4. Can I still drive my vehicle with OBDII code C003D triggered by the rear wheel speed sensor issue?

- It is not recommended to drive the vehicle with this code active, as it can affect the proper functioning of the ABS and traction control systems, potentially compromising safety.

5. Are there any DIY repair tips for addressing OBDII code C003D related to the rear wheel speed sensor?

- DIY repair tips may include checking and cleaning the sensor's connection points, ensuring the sensor is securely mounted, and replacing the sensor if necessary.

6. How much does it typically cost to repair OBDII code C003D associated with the rear wheel speed sensor?

- The cost of repair can vary depending on the root cause of the issue, but it may range from around $100 to $300 for parts and labor.

7. Can resetting the OBDII system clear the C003D code related to the rear wheel speed sensor?

- Resetting the system may temporarily clear the code, but it is unlikely to fix the underlying issue with the rear wheel speed sensor. It is recommended to diagnose and address the root cause of the problem.

8. Is it possible for a rear wheel speed sensor issue to cause other problems in the vehicle?

- Yes, a faulty rear wheel speed sensor can impact the overall stability and safety systems of the vehicle, such as the ABS, traction control, and in some cases, the stability control system.

9. How long does it typically take to replace a rear wheel speed sensor affected by OBDII code C003D?

- The replacement of a rear wheel speed sensor can usually be done within an hour or two, depending on the accessibility of the sensor and the experience of the person performing the repair.

10. Are there any recalls or technical service bulletins related to OBDII code C003D and rear wheel speed sensors?

- It is recommended to check with the vehicle manufacturer or a trusted automotive service center to inquire about any recalls or technical service bulletins related to this specific OBDII code and sensor issue.