C2124 Toyota 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 Toyota 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.
Code C2124 Toyota Description
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.
What are the Possible Causes of the DTC C2124 Toyota?
- Faulty Tire Pressure Warning Valve and Transmitter
- Faulty Tire Pressure Warning ECU and Receiver
How to Fix the DTC C2124 Toyota?
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 Toyota 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 Toyota code?
Need more information on how to fix the C2124 Toyota code? Get Access to Factory Service Manuals
Need Help with the Code?
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Information for Specific Toyota Models
- C2124 2013 Toyota RAV4 — No Signal from Transmitter ID 4 In Main Mode
- C2124 2014 Toyota RAV4 — No Signal from Transmitter ID 4 In Main Mode
- C2124 2015 Toyota RAV4 — No Signal from Transmitter ID 4 In Main Mode
- C2124 2016 Toyota RAV4 — No Signal from Transmitter ID 4 In Main Mode
- C2124 2017 Toyota RAV4 — No Signal from Transmitter ID 4 In Main Mode
- C2124 2018 Toyota RAV4 — No Signal from Transmitter ID 4 In Main Mode
Frequently Asked Questions about C2124 Toyota Code
1. What are the common symptoms of OBDII code C2124 in a Toyota vehicle?
- Common symptoms include the tire pressure monitoring system (TPMS) warning light staying on, inaccurate tire pressure readings, and difficulty in receiving signals from transmitter ID 4.
2. What could cause the OBDII code C2124 to appear in a Toyota?
- The code C2124 typically indicates a problem with the transmitter ID 4 in the TPMS system, such as a faulty sensor or a communication issue.
3. How can I diagnose the No Signal from Transmitter ID 4 issue in my Toyota?
- To diagnose the issue, you can use a TPMS tool to check the signal strength of transmitter ID 4, inspect the sensor for physical damage, and ensure proper tire inflation.
4. What are the possible repair options for fixing the No Signal from Transmitter ID 4 problem?
- Repair options may include replacing the faulty TPMS sensor, reprogramming the sensor, checking and repairing any wiring or communication issues, or recalibrating the TPMS system.
5. Can I drive my Toyota with the OBDII code C2124 present?
- It is generally safe to drive with the C2124 code, but it is recommended to address the issue promptly to ensure accurate tire pressure monitoring and safe driving conditions.
6. How much does it cost to repair the No Signal from Transmitter ID 4 problem in a Toyota?
- The cost of repairing the C2124 code can vary depending on the extent of the issue, the need for sensor replacement, and labor costs at a repair shop. It is advisable to get a few quotes for accurate pricing.
7. Are there any DIY tips for troubleshooting the OBDII code C2124 in a Toyota?
- You can start by checking the tire pressure of all tires, inspecting the TPMS sensors for damage, ensuring proper sensor placement, and resetting the TPMS system according to the vehicle's manual.
8. How important is it to fix the No Signal from Transmitter ID 4 problem in a Toyota?
- Fixing the C2124 code is important for maintaining accurate tire pressure monitoring, ensuring proper tire inflation, and enhancing overall driving safety and performance.
9. Can extreme temperatures or weather conditions trigger the OBDII code C2124 in a Toyota?
- Yes, extreme temperatures or weather conditions can affect the performance of TPMS sensors and lead to the C2124 code appearing due to signal transmission issues.
10. How often should I check and calibrate the TPMS system in my Toyota to prevent the No Signal from Transmitter ID 4 problem?
- It is recommended to check and calibrate the TPMS system during regular tire maintenance intervals or whenever you notice irregular tire pressure readings to prevent the C2124 code from appearing.
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