AutoCodes – Toyota – C1403 2018 Toyota RAV4

C1403 2018 Toyota RAV4 Code - Rear Speed Sensor Right Malfunction

Quick Answer

The speed sensor detects the wheel speed and sends the appropriate signals to the Skid Control ECU (Brake Actuator Assembly). Common causes include Faulty Rear Speed Sensor Right (Rear Axle Hub and Bearing Assembly Right), Rear Speed Sensor Right Rotor (Rear Axle Hub and Bearing Assembly Right), Rear Speed Sensor Right harness is open or shorted. 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
C1403 2018 Toyota RAV4 indicates Rear Speed Sensor Right Malfunction.
Common causes
Common causes include Faulty Rear Speed Sensor Right (Rear Axle Hub and Bearing Assembly Right), Rear Speed Sensor Right Rotor (Rear Axle Hub and Bearing Assembly Right), Rear Speed Sensor Right harness is open or shorted.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 299
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 19, 2023
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Code C1403 2018 Toyota RAV4 Description

The speed sensor detects the wheel speed and sends the appropriate signals to the Skid Control ECU (Brake Actuator Assembly). These signals are used for Anti-Lock Brake System (ABS) control. Speed sensor rotors have rows of alternating N and S magnetic poles, and their magnetic fields change when the rotors turn. Each speed sensor detects that magnetic change and sends a pulse signal to the Skid Control ECU (Brake Actuator Assembly).
OBDII Code C1403 2018 Toyota RAV4 - Rear Speed Sensor Right Malfunction - AutoCodes.com
C1403 2018 Toyota RAV4 Code - Rear Speed Sensor Right Malfunction

What are the Possible Causes of the DTC C1403 2018 Toyota RAV4?

  • Faulty Rear Speed Sensor Right (Rear Axle Hub and Bearing Assembly Right)
  • Rear Speed Sensor Right Rotor (Rear Axle Hub and Bearing Assembly Right)
  • Rear Speed Sensor Right harness is open or shorted
  • Rear Speed Sensor Right circuit poor electrical connection

How to Fix the DTC C1403 2018 Toyota RAV4?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1403 2018 Toyota RAV4 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 C1403 2018 Toyota RAV4 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 C1403 2018 Toyota RAV4 Code

1. What are the common symptoms of OBDII code C1403 in a 2018 Toyota RAV4?

The common symptoms of OBDII code C1403 in a 2018 Toyota RAV4 include ABS warning light illuminated on the dashboard, traction control system malfunction, and potential loss of stability control.

2. What does the OBDII code C1403 indicate in a 2018 Toyota RAV4?

OBDII code C1403 in a 2018 Toyota RAV4 indicates a Rear Speed Sensor Right Malfunction. It means there is an issue with the speed sensor located on the right rear wheel of the vehicle.

3. What are the possible causes of OBDII code C1403 in a 2018 Toyota RAV4?

Possible causes of OBDII code C1403 in a 2018 Toyota RAV4 include a faulty rear speed sensor, damaged wiring or connectors leading to the sensor, or issues with the ABS module.

4. How can I diagnose the OBDII code C1403 in my 2018 Toyota RAV4?

Diagnosing OBDII code C1403 in a 2018 Toyota RAV4 involves using a professional OBDII scanner to read the trouble code, inspecting the right rear speed sensor and its wiring for any damage, and testing the sensor's functionality.

5. Can I continue driving my 2018 Toyota RAV4 with OBDII code C1403?

It is not recommended to continue driving your 2018 Toyota RAV4 with OBDII code C1403, as it can affect the vehicle's stability control and ABS systems. It is advisable to address the issue promptly to ensure safe driving.

6. How can I repair OBDII code C1403 in my 2018 Toyota RAV4?

Repairing OBDII code C1403 in a 2018 Toyota RAV4 may involve replacing the right rear speed sensor, repairing any damaged wiring or connectors, or resetting the ABS module after addressing the root cause of the malfunction.

7. Is it possible to reset the OBDII code C1403 in a 2018 Toyota RAV4 without fixing the issue?

Resetting the OBDII code C1403 in a 2018 Toyota RAV4 without fixing the underlying issue may temporarily clear the code, but the problem will likely reoccur. It is essential to diagnose and repair the root cause to prevent future occurrences.

8. How much does it typically cost to repair OBDII code C1403 in a 2018 Toyota RAV4?

The cost of repairing OBDII code C1403 in a 2018 Toyota RAV4 can vary depending on the specific cause of the issue, labor costs, and parts needed. It is recommended to consult a professional mechanic for an accurate estimate.

9. Can a DIY enthusiast fix OBDII code C1403 in a 2018 Toyota RAV4?

While some DIY enthusiasts may have the skills to address OBDII code C1403 in a 2018 Toyota RAV4, it is a complex system that may require specialized tools and expertise. It is advisable to consult a professional mechanic for proper diagnosis and repair.

10. Will OBDII code C1403 cause my 2018 Toyota RAV4 to fail an emissions test?

OBDII code C1403, relating to a Rear Speed Sensor Right Malfunction, is not directly related to emissions control. However, it is essential to address the issue promptly to ensure the overall safety and performance of the vehicle.

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