AutoCodes – Toyota – C1274 2017 Toyota RAV4

C1274 2017 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 2017 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 238

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 Mar 21, 2024

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code C1274 2017 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 2017 Toyota RAV4 - Low Output Signal of Rear Speed Sensor Left - AutoCodes.com — C1274 2017 Toyota RAV4 Code - Low Output Signal of Rear Speed Sensor Left

What does this mean?

What are the Possible Causes of the DTC C1274 2017 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 2017 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.

What does this mean?

Code Tech Notes

Because the Rear Axle Hub and Bearing Assembly cannot be disassembled, if the Rear Speed Sensor needs replacement, replace the Rear Axle Hub and Bearing Assembly.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1274 2017 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 2017 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 2017 Toyota RAV4 Code

1. What are the common symptoms of OBDII code C1274 in a 2017 Toyota RAV4?

- Common symptoms include the ABS warning light being illuminated on the dashboard, potential traction control issues, and erratic behavior in the vehicle's braking system.

2. What does the OBDII code C1274 indicate in a 2017 Toyota RAV4?

- OBDII code C1274 in a 2017 Toyota RAV4 specifically points to a "Low Output Signal of Rear Speed Sensor Left" issue.

3. What are the possible causes of OBDII code C1274 in a 2017 Toyota RAV4?

- Possible causes include a faulty rear speed sensor on the left side, damaged wiring or connectors leading to the speed sensor, or issues with the ABS control module.

4. How can I diagnose the OBDII code C1274 in my 2017 Toyota RAV4?

- Diagnosis involves inspecting the rear speed sensor on the left side for any visible damage, checking the wiring and connectors for continuity, and using a scan tool to retrieve specific diagnostic trouble codes.

5. Can I drive my 2017 Toyota RAV4 with OBDII code C1274?

- It is not recommended to drive the vehicle with OBDII code C1274 as it can affect the operation of the ABS system and traction control, compromising overall safety.

6. How can I repair OBDII code C1274 in my 2017 Toyota RAV4?

- Repair typically involves replacing the rear speed sensor on the left side if it is found to be faulty, repairing any damaged wiring or connectors, and clearing the trouble codes with a scan tool.

7. Is it necessary to reset the ABS system after fixing OBDII code C1274 in a 2017 Toyota RAV4?

- Yes, it is recommended to reset the ABS system after repairing OBDII code C1274 to ensure proper functionality and to clear any remaining error codes.

8. Can weather conditions impact the occurrence of OBDII code C1274 in a 2017 Toyota RAV4?

- Extreme weather conditions, such as heavy rain or snow, can potentially affect the rear speed sensor and lead to the triggering of OBDII code C1274 in a 2017 Toyota RAV4.

9. How much does it cost to repair OBDII code C1274 in a 2017 Toyota RAV4?

- The cost of repairing OBDII code C1274 can vary depending on the specific issue, but it typically involves replacing the rear speed sensor, which may range from $100 to $300 including labor costs.

10. Are there any recalls related to OBDII code C1274 in a 2017 Toyota RAV4?

- It is advisable to check with Toyota dealership or the National Highway Traffic Safety Administration (NHTSA) for any recalls related to OBDII code C1274 in a 2017 Toyota RAV4.