C2124 Scion 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 Scion 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 Scion 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 Scion?
- Faulty Tire Pressure Warning Valve and Transmitter
- Faulty Tire Pressure Warning ECU and Receiver
How to Fix the DTC C2124 Scion?
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 Scion 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 Scion Code
What does the OBDII code C2124 mean on a Scion?
C2124 indicates that the vehicle's Tire Pressure Monitoring System (TPMS) is not receiving a signal from Transmitter ID 4, typically associated with one of the tire pressure sensors.
What are the symptoms of the C2124 code on a Scion?
Common symptoms include the TPMS warning light illuminating on the dashboard and, in some cases, inaccurate tire pressure readings or no readings for the affected tire.
What causes the C2124 code to appear on a Scion?
The most common causes are a dead or faulty TPMS sensor, a damaged sensor, interference with the sensor's signal, or a sensor that has not been programmed or registered correctly.
How can I diagnose the C2124 code on a Scion?
Diagnosis involves using an OBDII scanner to confirm the code, inspecting the TPMS sensor on the affected tire, and checking for physical damage, dead batteries, or improper registration.
Can I drive my Scion with the C2124 code active?
Yes, you can still drive the vehicle, but the TPMS system will not function correctly, increasing the risk of driving with improperly inflated tires.
How can I fix the C2124 code on a Scion?
The issue can often be resolved by replacing the faulty TPMS sensor, ensuring it is properly programmed, and clearing the code with an OBDII scanner.
How much does it cost to repair the C2124 code on a Scion?
Replacing a TPMS sensor typically costs $50–$100 for parts and $50–$150 for labor, depending on the shop and location.
Can the C2124 code be caused by a dead TPMS sensor battery?
Yes, a dead TPMS sensor battery is a common cause of the C2124 code, as it prevents the sensor from transmitting data to the vehicle's computer.
How do I prevent the C2124 code from occurring?
Regularly inspect and maintain the TPMS sensors, replace them when their batteries are depleted (usually every 5–10 years), and ensure new sensors are properly programmed.
Do I need to reprogram the TPMS after replacing a sensor to clear the C2124 code?
Yes, after replacing a TPMS sensor, it must be programmed and registered to the vehicle’s TPMS system to ensure proper communication and to clear the code.
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