AutoCodes – Toyota – C2124 2013 Toyota RAV4

C2124 2013 Toyota RAV4 Code - No Signal from Transmitter ID 4 In Main Mode

Quick Answer

The Tire Pressure Warning Valve and Transmitters that are installed in the tire and wheel assemblies measure the tire pressures. Common causes include Faulty Tire Pressure Warning Valve and Transmitter, Faulty Tire Pressure Warning ECU and Receiver. 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
C2124 2013 Toyota RAV4 indicates No Signal from Transmitter ID 4 In Main Mode.
Common causes
Common causes include Faulty Tire Pressure Warning Valve and Transmitter, Faulty Tire Pressure Warning ECU and Receiver.
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 506
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 15, 2023
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Code C2124 2013 Toyota RAV4 Description

The Tire Pressure Warning Valve and Transmitters that are installed in the tire and wheel assemblies measure the tire pressures. The measured values are transmitted to the Tire Pressure Warning ECU and Receiver in the vehicle as radio waves. The ECU compares the measured air pressure values with the air pressure threshold. When the measured air pressure value is less than this threshold, the warning light in the combination meter assembly illuminates.
The Tire Pressure Warning Valve and Transmitters constantly send radio waves to the Tire Pressure Warning ECU and Receiver.
Under the conditions below, the Tire Pressure Warning ECU and Receiver is unable to receive the signals from the Tire Pressure Warning Valve and Transmitters, and a Diagnostic Trouble Code (DTC) is stored.
- Facilities or devices that use similar radio frequencies are located in the vicinity of the vehicle.
- Devices using similar radio frequencies are used in the vehicle.
- The ID of the tire pressure warning valve and transmitter is mistyped during registration.
- A tire, wheel, and/or transmitter from a different vehicle is installed.
OBDII Code C2124 2013 Toyota RAV4 - No Signal from Transmitter ID 4 In Main Mode - AutoCodes.com
C2124 2013 Toyota RAV4 Code - No Signal from Transmitter ID 4 In Main Mode

What are the Possible Causes of the DTC C2124 2013 Toyota RAV4?

  • Faulty Tire Pressure Warning Valve and Transmitter
  • Faulty Tire Pressure Warning ECU and Receiver

How to Fix the DTC C2124 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 C2124 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 C2124 2013 Toyota RAV4 code?

Need more information on how to fix the C2124 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 C2124 2013 Toyota RAV4 Code

1. What are the common symptoms of OBDII code C2124 in a 2013 Toyota RAV4?

- Common symptoms include issues with the tire pressure monitoring system (TPMS), such as the TPMS light illuminating on the dashboard.

2. What does the OBDII code C2124 "No Signal from Transmitter ID 4 In Main Mode" indicate in a 2013 Toyota RAV4?

- This code indicates a communication problem between the TPMS control module and the transmitter ID 4 (typically the sensor in the tire).

3. What are the possible causes of OBDII code C2124 in a 2013 Toyota RAV4?

- The main causes can be a faulty TPMS sensor in the tire, a malfunctioning TPMS control module, wiring issues, or low sensor battery.

4. How can I diagnose the source of OBDII code C2124 in my 2013 Toyota RAV4?

- Diagnosing the issue involves using a TPMS tool to check the sensor's signal, inspecting the wiring connections, and testing the TPMS control module for proper functionality.

5. Can I drive my 2013 Toyota RAV4 safely with OBDII code C2124 present?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the TPMS issue promptly to ensure proper tire pressure monitoring.

6. How can I repair OBDII code C2124 in my 2013 Toyota RAV4?

- Repairing this code typically involves replacing the faulty TPMS sensor, addressing any wiring issues, or replacing the TPMS control module if necessary.

7. Is it possible to reset OBDII code C2124 in a 2013 Toyota RAV4 without repairing the issue?

- While you can clear the code with an OBDII scanner, it is recommended to diagnose and repair the underlying problem to prevent the issue from recurring.

8. Are there any DIY tips for troubleshooting OBDII code C2124 in a 2013 Toyota RAV4?

- DIY tips include checking the tire pressure of all tires, inspecting the sensor for visible damage, and ensuring proper sensor installation and connection.

9. How much does it cost to fix OBDII code C2124 in a 2013 Toyota RAV4?

- The cost of fixing this code can vary depending on the root cause, but it may involve sensor replacement, module repair, or wiring fixes, with costs ranging from $50 to $300 or more.

10. Can OBDII code C2124 in a 2013 Toyota RAV4 affect vehicle performance?

- This code typically does not affect vehicle performance directly, but it can impact the accuracy of the TPMS system, leading to potential issues with tire pressure monitoring and safety.

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