C2123 2017 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 2017 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 2017 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 2017 Toyota RAV4?
- Faulty Tire Pressure Warning Valve and Transmitter
- Faulty Tire Pressure Warning ECU and Receiver
How to Fix the DTC C2123 2017 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 2017 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 2017 Toyota RAV4 code?
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Need Help with the Code?
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Frequently Asked Questions about C2123 2017 Toyota RAV4 Code
1. What are the common symptoms of OBDII code C2123 in a 2017 Toyota RAV4?
The common symptoms include a malfunction indicator light (MIL) illuminated on the dashboard, tire pressure monitoring system (TPMS) warning light flashing, and difficulty accessing tire pressure information.
2. What does the OBDII code C2123 "No Signal from Transmitter ID 3 In Main Mode" mean in a 2017 Toyota RAV4?
This code indicates that the tire pressure monitoring system (TPMS) is not receiving a signal from the transmitter ID 3 in main mode, which could lead to inaccurate tire pressure readings.
3. What are the possible causes of OBDII code C2123 in a 2017 Toyota RAV4?
Possible causes include a faulty transmitter, low transmitter battery, transmitter signal interference, damaged TPMS module, or wiring issues in the TPMS system.
4. How can I diagnose the OBDII code C2123 in my 2017 Toyota RAV4?
Diagnosing this code typically involves checking the TPMS sensors for proper functioning, inspecting the wiring and connections, testing the transmitter batteries, and using a TPMS diagnostic tool to identify the specific issue.
5. Can I drive my 2017 Toyota RAV4 with the OBDII code C2123 present?
While the vehicle can still be driven with this code, it is important to address the issue promptly to ensure accurate tire pressure monitoring and overall safety.
6. How can I repair OBDII code C2123 in my 2017 Toyota RAV4?
Repairing this code may involve replacing the faulty transmitter, installing new transmitter batteries, addressing signal interference, repairing wiring issues, or resetting the TPMS system using a diagnostic tool.
7. Is it possible to reset the TPMS system to clear the OBDII code C2123 in a 2017 Toyota RAV4?
Yes, you can attempt to reset the TPMS system by following the manufacturer's instructions for reprogramming the sensors or using a TPMS diagnostic tool to clear the code.
8. Will replacing the transmitter fix the OBDII code C2123 in my 2017 Toyota RAV4?
In many cases, replacing the faulty transmitter can resolve the issue and clear the code. However, it's essential to diagnose the problem accurately to ensure the correct repair.
9. How much does it typically cost to repair OBDII code C2123 in a 2017 Toyota RAV4?
The cost of repairing this code can vary depending on the exact cause of the issue, the need for replacement parts, and labor costs. It's recommended to consult a professional technician for an accurate estimate.
10. Can I prevent OBDII code C2123 from occurring in my 2017 Toyota RAV4?
To prevent this code, it's essential to regularly check and maintain your vehicle's TPMS system, ensure proper tire inflation, replace transmitter batteries as needed, and address any TPMS warning signs promptly.
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