C2123 2015 Toyota RAV4 Code - No Signal from Transmitter ID 3 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
- C2123 2015 Toyota RAV4 indicates No Signal from Transmitter ID 3 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 C2123 2015 Toyota RAV4 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 C2123 2015 Toyota RAV4?
- Faulty Tire Pressure Warning Valve and Transmitter
- Faulty Tire Pressure Warning ECU and Receiver
How to Fix the DTC C2123 2015 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 C2123 2015 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 C2123 2015 Toyota RAV4 code?
Need more information on how to fix the C2123 2015 Toyota RAV4 code? Get Access to Factory Service Manuals
Need Help with the Code?
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Frequently Asked Questions about C2123 2015 Toyota RAV4 Code
1. What are the common symptoms of OBDII code C2123 in a 2015 Toyota RAV4?
The common symptoms include the tire pressure warning light staying on, the TPMS (Tire Pressure Monitoring System) not functioning correctly, and a message indicating "No Signal from Transmitter ID 3 In Main Mode."
2. What does the OBDII code C2123 "No Signal from Transmitter ID 3 In Main Mode" mean for a 2015 Toyota RAV4?
This code indicates that the vehicle's TPMS is not receiving a signal from the tire pressure sensor ID 3 in the main operating mode.
3. What are the possible causes of OBDII code C2123 in a 2015 Toyota RAV4?
Possible causes include a malfunctioning tire pressure sensor ID 3, low tire pressure, sensor battery failure, sensor signal interference, or TPMS module issues.
4. How can I diagnose the OBDII code C2123 in my 2015 Toyota RAV4?
Diagnosing this code involves checking the tire pressure in all tires, inspecting the TPMS sensors for damage or low battery, and using a TPMS tool to read sensor data and signal strength.
5. Can I repair OBDII code C2123 in a 2015 Toyota RAV4 myself?
If you have the necessary tools and experience, you can attempt to replace the malfunctioning tire pressure sensor ID 3 yourself. However, for accurate diagnosis and repair, it's recommended to consult a professional mechanic.
6. Is it safe to drive my 2015 Toyota RAV4 with the OBDII code C2123 active?
While it is generally safe to drive with this code, it's important to address the underlying TPMS issue promptly to ensure proper tire pressure monitoring and safety on the road.
7. How much does it typically cost to repair OBDII code C2123 in a 2015 Toyota RAV4?
The cost of repairing this code can vary depending on the cause of the issue. Replacing a TPMS sensor can range from $50 to $200, while diagnosing and repairing TPMS module problems may cost more.
8. Will resetting the TPMS system clear the OBDII code C2123 in my 2015 Toyota RAV4?
Resetting the TPMS system may temporarily clear the code, but if the underlying issue, such as a faulty sensor, is not addressed, the code is likely to reappear.
9. How often should I check my tire pressure to prevent OBDII code C2123 in my 2015 Toyota RAV4?
It is recommended to check your tire pressure at least once a month and before long trips to ensure proper inflation and prevent TPMS-related issues.
10. Can extreme weather conditions affect the occurrence of OBDII code C2123 in a 2015 Toyota RAV4?
Yes, extreme temperature fluctuations can impact tire pressure and the performance of TPMS sensors, potentially leading to the activation of code C2123.
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