AutoCodes – Toyota – C1243 2013 Toyota RAV4

C1243 2013 Toyota RAV4 Code - Acceleration Sensor Stuck Malfunction

Quick Answer

The Skid Control ECU (Brake Actuator Assembly) receives signals from the Yaw Rate Sensor and Acceleration Sensor (Airbag Sensor Assembly) via the Controller Area Network (CAN) communication system. Common causes include Acceleration Sensor Calibration, Faulty Yaw Rate Sensor and Acceleration Sensor (Airbag Sensor Assembly), Airbag Sensor Assembly 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
C1243 2013 Toyota RAV4 indicates Acceleration Sensor Stuck Malfunction.
Common causes
Common causes include Acceleration Sensor Calibration, Faulty Yaw Rate Sensor and Acceleration Sensor (Airbag Sensor Assembly), Airbag Sensor Assembly 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 259
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 C1243 2013 Toyota RAV4 Description

The Skid Control ECU (Brake Actuator Assembly) receives signals from the Yaw Rate Sensor and Acceleration Sensor (Airbag Sensor Assembly) via the Controller Area Network (CAN) communication system.
The Airbag Sensor Assembly has a built-in Yaw Rate Sensor and Acceleration Sensor and detects the vehicle's condition.
If there is trouble in the bus lines between the Yaw Rate Sensor and Acceleration Sensor (Airbag Sensor Assembly) and the CAN communication system, the Diagnostic Trouble Code (DTC) U0124 (malfunction in CAN communication with the acceleration sensor) is output.
These DTCs are also output when calibration has not been completed.
OBDII Code C1243 2013 Toyota RAV4 - Acceleration Sensor Stuck Malfunction - AutoCodes.com
C1243 2013 Toyota RAV4 Code - Acceleration Sensor Stuck Malfunction

What are the Possible Causes of the DTC C1243 2013 Toyota RAV4?

  • Acceleration Sensor Calibration
  • Faulty Yaw Rate Sensor and Acceleration Sensor (Airbag Sensor Assembly)
  • Airbag Sensor Assembly harness is open or shorted
  • Airbag Sensor Assembly circuit poor electrical connection

How to Fix the DTC C1243 2013 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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1243 2013 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 C1243 2013 Toyota RAV4 code?

Need more information on how to fix the C1243 2013 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the 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 C1243 2013 Toyota RAV4 Code

1. What are the common symptoms of OBDII code C1243 in a 2013 Toyota RAV4?

- Common symptoms include issues with the vehicle's acceleration, stability control, and potential illumination of the traction control warning light.

2. What does the OBDII code C1243 in a 2013 Toyota RAV4 indicate?

- The code C1243 indicates a malfunction related to the acceleration sensor being stuck in a specific position, affecting the vehicle's stability control system.

3. What are the possible causes of the acceleration sensor stuck malfunction in a 2013 Toyota RAV4?

- Potential causes include a faulty acceleration sensor, wiring issues, sensor calibration problems, or issues with the vehicle's stability control system.

4. How can I diagnose the acceleration sensor stuck malfunction in my 2013 Toyota RAV4?

- Diagnosis typically involves using a diagnostic scanner to retrieve the OBDII code C1243, inspecting the acceleration sensor and its wiring, and performing sensor calibration tests.

5. Can I still drive my 2013 Toyota RAV4 with the acceleration sensor stuck malfunction?

- It is not recommended to drive the vehicle with the acceleration sensor malfunction as it can affect the stability and control of the vehicle, potentially leading to unsafe driving conditions.

6. How can I repair the acceleration sensor stuck malfunction in my 2013 Toyota RAV4?

- Repair options may include replacing the faulty acceleration sensor, repairing damaged wiring, recalibrating the sensor, or seeking professional assistance for thorough diagnosis and repair.

7. Are there any DIY tips for addressing the acceleration sensor stuck malfunction in a 2013 Toyota RAV4?

- While some basic checks like inspecting wiring connections can be done, it is advisable to consult a qualified mechanic or dealership for accurate diagnosis and repair of the issue.

8. How much does it cost to repair the acceleration sensor stuck malfunction in a 2013 Toyota RAV4?

- Repair costs can vary depending on the exact cause of the issue, parts needed for replacement, and labor charges. It is recommended to obtain quotes from different service providers for accurate pricing.

9. Can resetting the OBDII codes clear the acceleration sensor stuck malfunction in a 2013 Toyota RAV4?

- Resetting the codes may temporarily clear the warning light, but it will not fix the underlying issue causing the acceleration sensor malfunction. It's essential to diagnose and address the root cause of the problem.

10. How often does the acceleration sensor stuck malfunction occur in 2013 Toyota RAV4 vehicles?

- While not extremely common, the acceleration sensor stuck malfunction (OBDII code C1243) can occur in 2013 Toyota RAV4 vehicles due to sensor or system-related issues. Regular maintenance and inspections can help prevent such problems.

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