C2125 2013 Toyota RAV4 Code - No Signal from Transmitter ID 5 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
- C2125 2013 Toyota RAV4 indicates No Signal from Transmitter ID 5 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 C2125 2013 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 C2125 2013 Toyota RAV4?
- Faulty Tire Pressure Warning Valve and Transmitter
- Faulty Tire Pressure Warning ECU and Receiver
How to Fix the DTC C2125 2013 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 C2125 2013 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.
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Frequently Asked Questions about C2125 2013 Toyota RAV4 Code
1. What does the OBDII code C2125 mean on a 2013 Toyota RAV4?
The code C2125 indicates that there is "No Signal from Transmitter ID 5 in Main Mode," meaning the vehicle's Tire Pressure Monitoring System (TPMS) cannot detect the signal from the tire pressure sensor associated with ID 5.
2. What are common symptoms of the C2125 code on a 2013 Toyota RAV4?
Common symptoms include the TPMS warning light staying illuminated on the dashboard and a lack of tire pressure data from one or more wheels.
3. What causes the C2125 code to appear in a 2013 Toyota RAV4?
The most common causes are a faulty or dead tire pressure sensor, a damaged tire, interference with the sensor signal, or an issue with the TPMS control module.
4. How can I diagnose the C2125 code on my 2013 Toyota RAV4?
Use a TPMS scan tool to check for sensor activity, verify the TPMS sensor ID registration, and inspect the affected tire and sensor for physical damage or signal issues.
5. Can a dead sensor battery trigger the C2125 code?
Yes, if the battery inside the tire pressure sensor runs out of power, it will stop transmitting signals, leading to the C2125 code.
6. How do I fix the C2125 code on a 2013 Toyota RAV4?
Replace the faulty tire pressure sensor, reprogram or relearn the sensor IDs using a TPMS tool, and clear the code with an OBDII scanner.
7. Is it safe to drive with the C2125 code active?
While the car is still drivable, the TPMS may not function correctly, increasing the risk of driving with underinflated or overinflated tires, which can reduce safety and fuel efficiency.
8. How much does it cost to repair the C2125 code on a 2013 Toyota RAV4?
Replacing a tire pressure sensor typically costs between $50 and $150 per sensor, plus labor costs, which can range from $50 to $100 depending on the shop.
9. Can the C2125 code be caused by a tire change or rotation?
Yes, if the TPMS sensors are not properly reprogrammed or if the sensor IDs are not registered correctly after a tire change or rotation, the code may appear.
10. How can I prevent the C2125 code from reoccurring?
Regularly check tire pressures, ensure proper sensor maintenance, and replace sensors as needed when their batteries are nearing the end of their lifespan.
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