C2123 2016 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 2016 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 2016 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 2016 Toyota RAV4?
- Faulty Tire Pressure Warning Valve and Transmitter
- Faulty Tire Pressure Warning ECU and Receiver
How to Fix the DTC C2123 2016 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 2016 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 2016 Toyota RAV4 code?
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Need Help with the Code?
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Frequently Asked Questions about C2123 2016 Toyota RAV4 Code
1. What are common symptoms of OBDII code C2123 in a 2016 Toyota RAV4?
- Common symptoms include the tire pressure monitoring system (TPMS) warning light staying on, inaccurate tire pressure readings, and difficulty accessing TPMS information on the dashboard.
2. What does the OBDII code C2123 "No Signal from Transmitter ID 3 In Main Mode" indicate in a 2016 Toyota RAV4?
- This code indicates a communication issue with the TPMS transmitter ID 3, preventing the system from receiving data properly.
3. What are possible causes of OBDII code C2123 in a 2016 Toyota RAV4?
- Possible causes include a faulty TPMS sensor, low sensor battery, sensor interference, damaged wiring, or a malfunctioning TPMS module.
4. How can I diagnose the cause of OBDII code C2123 in my 2016 Toyota RAV4?
- Diagnose the issue by checking the TPMS sensor battery levels, inspecting sensor wiring for damage, ensuring proper sensor placement, and using a TPMS scan tool to identify the problematic sensor.
5. Can I drive my 2016 Toyota RAV4 with OBDII code C2123 active?
- It is generally safe to drive with this code, but it's important to address the TPMS issue promptly to ensure accurate tire pressure monitoring for optimal safety and performance.
6. How can I reset OBDII code C2123 in a 2016 Toyota RAV4?
- Reset the code by fixing the underlying TPMS issue causing the fault, then using an OBDII scanner to clear the code from the vehicle's computer system.
7. Is it possible to repair OBDII code C2123 in a 2016 Toyota RAV4 without professional help?
- Simple repairs like replacing a TPMS sensor battery or repositioning a sensor can be done without professional help, but more complex issues may require the expertise of a mechanic.
8. Will OBDII code C2123 in a 2016 Toyota RAV4 cause any long-term damage if left unresolved?
- Leaving this code unresolved may lead to inaccurate tire pressure readings, potentially affecting vehicle handling and safety. It's best to address the issue promptly.
9. How much does it cost to fix OBDII code C2123 in a 2016 Toyota RAV4?
- The cost to fix this code can vary depending on the underlying issue, with expenses ranging from a simple sensor battery replacement to more involved sensor or module replacements.
10. Can weather conditions affect the triggering of OBDII code C2123 in a 2016 Toyota RAV4?
- Extreme temperature changes or severe weather conditions can sometimes impact TPMS sensor performance, potentially leading to the activation of code C2123.
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