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C1273 Toyota Code - Low Output Signal of Rear Speed Sensor Right

Quick Answer

The C1273 diagnostic trouble code for Toyota vehicles indicates a low output signal from the rear speed sensor on the right side of the vehicle. Common causes include Faulty rear speed sensor on the right side, Damaged wiring or connectors related to the speed sensor, Corrosion or debris affecting the sensor's performance. 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
C1273 Toyota indicates Low Output Signal of Rear Speed Sensor Right.
Common causes
Common causes include Faulty rear speed sensor on the right side, Damaged wiring or connectors related to the speed sensor, Corrosion or debris affecting the sensor's performance.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 06, 2024
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Code C1273 Toyota Description

The C1273 diagnostic trouble code for Toyota vehicles indicates a low output signal from the rear speed sensor on the right side of the vehicle. The speed sensor is a crucial component of the vehicle's anti-lock braking system (ABS) and traction control system, as it helps monitor the speed of the wheels and provides data to the vehicle's control module. When the output signal from the rear speed sensor on the right side is low, it can lead to issues with the ABS and traction control systems, potentially compromising the vehicle's stability and safety.

OBDII Code C1273 Toyota - Low Output Signal of Rear Speed Sensor Right
C1273 Toyota Code - Low Output Signal of Rear Speed Sensor Right

Common Causes of C1273 Toyota

  1. Faulty rear speed sensor on the right side
  2. Damaged wiring or connectors related to the speed sensor
  3. Corrosion or debris affecting the sensor's performance
  4. Issues with the ABS control module
  5. Electronic control unit (ECU) malfunction

Symptoms of C1273 Toyota

  1. ABS warning light illuminated on the dashboard
  2. Traction control system malfunction
  3. Erratic behavior in braking system
  4. Loss of stability control
  5. Vehicle may experience difficulty in maintaining traction on slippery surfaces

How to Fix C1273 Toyota

  1. Diagnose the specific cause of the low output signal using a diagnostic scanner
  2. Inspect the rear speed sensor and its wiring for any damage or corrosion
  3. Replace the rear speed sensor if it is faulty
  4. Repair or replace any damaged wiring or connectors
  5. Reset the ABS and traction control systems using the diagnostic tool

Cost to Fix C1273 Toyota

The cost of repairing a low output signal from the rear speed sensor right on a Toyota vehicle can vary depending on the specific cause of the issue. In general, the cost of parts such as a new speed sensor and any necessary wiring components can range from $50 to $200. Labor costs at an auto repair shop can add an additional $100 to $300, with total repair costs typically falling between $150 and $500. It is recommended to consult with a qualified mechanic or auto repair shop for an accurate cost estimate based on the vehicle's make and model, as well as the extent of the repairs required.

What does this mean?

Tech Notes for C1273 Toyota

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.

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Information for Specific Toyota Models

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 C1273 Toyota Code

1. What are the common symptoms of OBDII code C1273 in a Toyota related to the low output signal of the rear speed sensor on the right side?

- Common symptoms include the ABS warning light illuminating on the dashboard, traction control system malfunctioning, and potential issues with the vehicle's stability control.

2. What are the possible causes of OBDII code C1273 in a Toyota indicating a low output signal from the rear speed sensor on the right side?

- The code may be triggered by a faulty rear speed sensor on the right side, damaged wiring or connectors in the sensor circuit, or issues with the ABS module.

3. How can I diagnose the OBDII code C1273 in a Toyota related to the low output signal of the rear speed sensor on the right side?

- Diagnosis typically involves using a scan tool to read the code, inspecting the rear speed sensor and its connections, and conducting tests to identify the root cause of the low output signal.

4. Is it safe to drive my Toyota with the OBDII code C1273 indicating a problem with the rear speed sensor's output signal on the right side?

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

5. Can I repair the low output signal of the rear speed sensor on the right side in my Toyota myself?

- Depending on your automotive repair skills and access to tools, you may be able to address the issue yourself by replacing the faulty sensor, repairing damaged wiring, or fixing connector problems. However, professional assistance is often recommended for accurate diagnosis and repair.

6. Will resetting the OBDII code C1273 resolve the issue with the rear speed sensor's low output signal on the right side in my Toyota?

- Simply resetting the code will not fix the underlying problem causing the low output signal. It is crucial to diagnose and address the root cause of the issue to ensure proper functioning of the ABS system.

7. How much does it typically cost to repair the low output signal of the rear speed sensor on the right side triggering OBDII code C1273 in a Toyota?

- Repair costs can vary depending on the exact cause of the issue, the need for replacement parts, and labor charges. It is advisable to consult a mechanic or dealership for an accurate estimate based on your specific situation.

8. Can extreme weather conditions or road debris impact the rear speed sensor's output signal on the right side in a Toyota?

- Yes, extreme weather conditions, such as heavy rain or snow, as well as road debris like mud or rocks, can potentially affect the rear speed sensor's performance and lead to the triggering of OBDII code C1273.

9. Are there any preventative maintenance steps I can take to avoid encountering the low output signal issue with the rear speed sensor on the right side in my Toyota?

- Regularly inspecting the sensor and its connections for damage, ensuring proper wheel alignment, and keeping the vehicle's underside clean from debris can help prevent issues with the rear speed sensor and related OBDII codes.

10. Can the OBDII code C1273 be intermittent, causing the ABS warning light to turn on and off in a Toyota?

- Yes, depending on the specific cause of the low output signal issue, the code and associated symptoms like the ABS warning light may come and go intermittently. It is crucial to address the problem promptly to avoid potential safety risks.

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