AutoCodes – Toyota – C1274 2015 Toyota RAV4

C1274 2015 Toyota RAV4 Code - Low Output Signal of Rear Speed Sensor Left

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 Left (Rear Axle Hub and Bearing Assembly Left), Rear Speed Sensor Left Rotor (Rear Axle Hub and Bearing Assembly Left), Rear Speed Sensor Left 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
C1274 2015 Toyota RAV4 indicates Low Output Signal of Rear Speed Sensor Left.
Common causes
Common causes include Faulty Rear Speed Sensor Left (Rear Axle Hub and Bearing Assembly Left), Rear Speed Sensor Left Rotor (Rear Axle Hub and Bearing Assembly Left), Rear Speed Sensor Left 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.
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Code Popularity 2,399
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 21, 2024
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Code C1274 2015 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 C1274 2015 Toyota RAV4 - Low Output Signal of Rear Speed Sensor Left - AutoCodes.com
C1274 2015 Toyota RAV4 Code - Low Output Signal of Rear Speed Sensor Left

What are the Possible Causes of the DTC C1274 2015 Toyota RAV4?

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

How to Fix the DTC C1274 2015 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 C1274 2015 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 C1274 2015 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 C1274 2015 Toyota RAV4 Code

1. What are the common symptoms of OBDII code C1274 in a 2015 Toyota RAV4?

The common symptoms of OBDII code C1274 in a 2015 Toyota RAV4 include the ABS warning light coming on, traction control system malfunction, and potential issues with the vehicle's stability control.

2. What does the OBDII code C1274 indicating a "Low Output Signal of Rear Speed Sensor Left" mean in a 2015 Toyota RAV4?

The code C1274 suggests that there is a problem with the rear speed sensor on the left side of the vehicle, leading to a low output signal being detected by the ABS system.

3. What are the possible causes of OBDII code C1274 in a 2015 Toyota RAV4?

Possible causes of OBDII code C1274 in a 2015 Toyota RAV4 include a faulty rear speed sensor, damaged wiring or connectors in the sensor circuit, or issues with the ABS control module.

4. How can I diagnose the OBDII code C1274 in my 2015 Toyota RAV4?

Diagnosing OBDII code C1274 in a 2015 Toyota RAV4 involves inspecting the rear speed sensor and its wiring for any visible damage, testing the sensor's output signal, and checking the ABS control module for any faults.

5. Can I continue driving my 2015 Toyota RAV4 with OBDII code C1274?

It is not recommended to continue driving your 2015 Toyota RAV4 with OBDII code C1274, as it can affect the vehicle's ABS system and compromise safety features like traction control and stability control.

6. How can I repair OBDII code C1274 in a 2015 Toyota RAV4?

Repairing OBDII code C1274 in a 2015 Toyota RAV4 may involve replacing the faulty rear speed sensor, repairing damaged wiring or connectors, or recalibrating the ABS control module to clear the code.

7. Is it possible to reset the OBDII code C1274 in a 2015 Toyota RAV4 without fixing the issue?

While you can clear the code temporarily by resetting the vehicle's ECU, the underlying issue causing OBDII code C1274 in a 2015 Toyota RAV4 will persist until properly diagnosed and repaired.

8. How much does it cost to fix OBDII code C1274 in a 2015 Toyota RAV4?

The cost to fix OBDII code C1274 in a 2015 Toyota RAV4 can vary depending on the specific cause of the issue, but it typically involves the cost of parts, labor for diagnosis and repair, and potential recalibration of the ABS system.

9. Can a DIY enthusiast repair OBDII code C1274 in a 2015 Toyota RAV4?

While some DIY enthusiasts may be able to diagnose and repair OBDII code C1274 in a 2015 Toyota RAV4, it is recommended to have the issue addressed by a professional mechanic with experience in ABS system diagnostics and repair.

10. How can I prevent OBDII code C1274 from recurring in my 2015 Toyota RAV4?

To prevent OBDII code C1274 from recurring in your 2015 Toyota RAV4, ensure regular maintenance of the ABS system, including checking and cleaning the speed sensors, inspecting wiring for damage, and addressing any issues promptly.

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