C1274 Lexus 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 Lexus 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.
Code C1274 Lexus Description
What are the Possible Causes of the DTC C1274 Lexus?
- 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 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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C1274 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.
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Frequently Asked Questions about C1274 Lexus Code
1. What are the common symptoms of OBDII code C1274 in a Lexus indicating a low output signal from the rear speed sensor left?
- Common symptoms include ABS warning light illuminated on the dashboard, traction control system malfunctions, and potential issues with the vehicle stability control.
2. What could be the possible causes of OBDII code C1274 in a Lexus related to the low output signal from the rear speed sensor left?
- Possible causes may include a faulty rear speed sensor left, damaged sensor wiring or connectors, sensor alignment issues, or problems with the ABS module.
3. How can I diagnose the OBDII code C1274 in a Lexus associated with the low output signal from the rear speed sensor left?
- Diagnosis typically involves using a diagnostic scanner to retrieve the trouble codes, conducting a visual inspection of the sensor and its wiring, and performing tests to check the sensor's output signal.
4. Is it safe to continue driving my Lexus with OBDII code C1274 indicating a low output signal from the rear speed sensor left?
- It is not recommended to drive the vehicle with this issue, as it can affect the proper functioning of the ABS, traction control, and stability control systems, potentially compromising safety.
5. Can I repair OBDII code C1274 in a Lexus related to the low output signal from the rear speed sensor left on my own?
- While some simple fixes like checking and cleaning the sensor connectors or wiring may be DIY-friendly, diagnosing and repairing more complex issues may require professional assistance.
6. How much does it typically cost to repair OBDII code C1274 in a Lexus caused by a low output signal from the rear speed sensor left?
- Repair costs can vary depending on the specific cause of the issue, but they may range from a few hundred to over a thousand dollars, including parts and labor.
7. Are there any temporary fixes or workarounds for OBDII code C1274 in a Lexus until it can be properly repaired?
- Temporary fixes are not recommended, as addressing the root cause of the issue is crucial for maintaining the safety and performance of the vehicle's braking and stability systems.
8. What steps should I take if OBDII code C1274 in my Lexus persists after attempting repairs related to the low output signal from the rear speed sensor left?
- If the issue persists after repairs, it is advisable to consult a qualified mechanic or Lexus dealership for further diagnosis and troubleshooting to ensure the problem is fully resolved.
9. Can extreme weather conditions or road debris impact the performance of the rear speed sensor left in a Lexus, triggering OBDII code C1274?
- Yes, extreme weather conditions or road debris can potentially affect the sensor's operation, leading to issues like low output signal and triggering the C1274 trouble code.
10. How frequently should the rear speed sensors in a Lexus be inspected and maintained to prevent issues like OBDII code C1274 related to low output signals?
- Regular inspection and maintenance of the rear speed sensors as part of routine vehicle servicing can help prevent issues like low output signals and ensure the proper functioning of the vehicle's safety systems.
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