C2124 Lexus Code - No Signal from Transmitter ID 4 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
- C2124 Lexus indicates No Signal from Transmitter ID 4 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 C2124 Lexus 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 C2124 Lexus?
- Faulty Tire Pressure Warning Valve and Transmitter
- Faulty Tire Pressure Warning ECU and Receiver
How to Fix the DTC C2124 Lexus?
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 C2124 Lexus 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 C2124 Lexus Code
1. What are the common symptoms of OBDII code C2124 in a Lexus?
- Common symptoms include the malfunction indicator light (MIL) illuminating on the dashboard, tire pressure monitoring system (TPMS) not working properly, and difficulty in detecting tire pressure.
2. What does the OBDII code C2124 in a Lexus mean?
- The code C2124 indicates that there is no signal being received from transmitter ID 4 in main mode, which is related to the tire pressure monitoring system (TPMS) in the vehicle.
3. What are some possible causes of OBDII code C2124 in a Lexus?
- Possible causes include a faulty TPMS sensor, low tire pressure, TPMS sensor battery depletion, TPMS sensor signal interference, or a TPMS module malfunction.
4. How can I diagnose the OBDII code C2124 in my Lexus?
- Diagnosing the code typically involves using a TPMS diagnostic tool to check the signal from each tire pressure sensor and identify which sensor is not transmitting a signal.
5. Can I still drive my Lexus with the OBDII code C2124 present?
- It is generally safe to drive the vehicle with this code, but it is important to address the issue promptly to ensure the TPMS system is functioning correctly for your safety.
6. How can I repair OBDII code C2124 in my Lexus?
- Repairing the code may involve replacing the faulty TPMS sensor, ensuring proper tire pressure in all tires, replacing the TPMS sensor battery, or resetting the TPMS system.
7. Will resetting the TPMS system clear the OBDII code C2124 in my Lexus?
- Resetting the TPMS system may clear the code temporarily, but if the underlying issue with transmitter ID 4 persists, the code is likely to reappear.
8. How much does it typically cost to repair OBDII code C2124 in a Lexus?
- The cost of repairing this code can vary depending on the specific issue, but it may range from $50 to $200 for parts and labor.
9. Can I reset the OBDII code C2124 in my Lexus without a TPMS diagnostic tool?
- While it is possible to reset the code using certain methods like disconnecting the battery, it is recommended to use a TPMS diagnostic tool for an accurate diagnosis and repair.
10. Is the OBDII code C2124 specific to Lexus vehicles only?
- The code C2124 related to the TPMS system is commonly found in Lexus vehicles, but similar codes and issues may also occur in other vehicle brands with TPMS systems.
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