C2123 2014 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 2014 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 2014 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 2014 Toyota RAV4?
- Faulty Tire Pressure Warning Valve and Transmitter
- Faulty Tire Pressure Warning ECU and Receiver
How to Fix the DTC C2123 2014 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 2014 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 2014 Toyota RAV4 code?
Need more information on how to fix the C2123 2014 Toyota RAV4 code? Get Access to Factory Service Manuals
Need Help with the Code?
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Frequently Asked Questions about C2123 2014 Toyota RAV4 Code
1. What does the OBDII code C2123 in a 2014 Toyota RAV4 indicate?
- The code C2123 signifies "No Signal from Transmitter ID 3 In Main Mode," relating to a communication issue with a tire pressure monitoring system (TPMS) sensor.
2. What are the common symptoms of OBDII code C2123 in a 2014 Toyota RAV4?
- Common symptoms may include a TPMS warning light on the dashboard, inaccurate tire pressure readings, or a malfunction in the TPMS system.
3. What are possible causes of the OBDII code C2123 in a 2014 Toyota RAV4?
- Causes can include a faulty TPMS sensor, low sensor battery, sensor signal interference, TPMS module issues, wiring problems, or system communication failures.
4. How can I diagnose the issue related to OBDII code C2123 in my 2014 Toyota RAV4?
- Diagnose the problem by checking the TPMS sensors for proper function, inspecting sensor batteries, ensuring correct sensor installation, and scanning the TPMS system for error codes.
5. Can I repair the OBDII code C2123 issue in a 2014 Toyota RAV4 myself?
- Simple repairs like sensor battery replacement or sensor relearn procedures can be done DIY, but complex issues may require professional diagnosis and repair.
6. Are there any reset procedures for clearing the OBDII code C2123 in a 2014 Toyota RAV4?
- Resetting the TPMS system after resolving the underlying issue may clear the code. This can often be done by following the manufacturer's recommended sensor relearn process.
7. How crucial is it to address the OBDII code C2123 problem in a 2014 Toyota RAV4?
- Resolving the issue is important as it ensures accurate tire pressure monitoring, improves vehicle safety, and prevents potential TPMS malfunctions while driving.
8. Can extreme weather conditions affect the occurrence of OBDII code C2123 in a 2014 Toyota RAV4?
- Yes, harsh weather conditions like extreme cold or heat can impact TPMS sensor performance, potentially triggering the C2123 code due to sensor communication issues.
9. Is it necessary to replace the TPMS sensors when dealing with the OBDII code C2123 in a 2014 Toyota RAV4?
- Replacement may be necessary if a sensor is deemed faulty after diagnosis. However, always attempt basic troubleshooting and repairs before opting for sensor replacement.
10. How can regular maintenance help prevent the recurrence of the OBDII code C2123 in a 2014 Toyota RAV4?
- Regularly checking tire pressure, inspecting TPMS sensors, and maintaining proper sensor functionality can help prevent the reoccurrence of the C2123 code in your Toyota RAV4.
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