C2122 Scion Code - No Signal from Transmitter ID 2 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
- C2122 Scion indicates No Signal from Transmitter ID 2 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 C2122 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 C2122 Scion?
- Faulty Tire Pressure Warning Valve and Transmitter
- Faulty Tire Pressure Warning ECU and Receiver
How to Fix the DTC C2122 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 C2122 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 C2122 Scion Code
1. What are the common symptoms of OBDII code C2122 in a Scion?
The common symptoms include issues with the tire pressure monitoring system (TPMS) such as incorrect tire pressure readings or a TPMS warning light on the dashboard.
2. What does the OBDII code C2122 "No Signal from Transmitter ID 2 In Main Mode" mean for a Scion?
This code indicates that the TPMS system is not receiving a signal from the tire pressure sensor identified as Transmitter ID 2 in the main mode.
3. What are the possible causes of OBDII code C2122 in a Scion?
Common causes of this code include a faulty tire pressure sensor, low sensor battery, sensor placement issues, TPMS module malfunction, or wiring/connectivity problems.
4. How can I diagnose the OBDII code C2122 in my Scion?
Diagnosing this code typically involves checking the tire pressure sensor batteries, ensuring proper sensor placement, inspecting the wiring/connectivity, and using a TPMS diagnostic tool to identify the faulty component.
5. Is it safe to drive my Scion with OBDII code C2122 present?
It is generally safe to drive with this code, but it's important to address the underlying TPMS issue promptly to ensure accurate tire pressure monitoring for optimal safety and performance.
6. Can I reset the OBDII code C2122 in my Scion without fixing the issue?
Resetting the code without addressing the underlying problem may temporarily turn off the warning light, but the issue will likely reappear until the TPMS system is properly repaired.
7. How can I repair OBDII code C2122 in my Scion?
Repairing this code typically involves replacing the faulty tire pressure sensor, addressing battery issues, fixing wiring problems, or resetting the TPMS system after resolving the root cause.
8. Will OBDII code C2122 cause any long-term damage to my Scion?
While this code itself may not cause direct damage, ignoring the TPMS issue could lead to improper tire pressure maintenance, affecting fuel efficiency, tire wear, and overall driving safety in the long run.
9. Can extreme weather conditions trigger OBDII code C2122 in a Scion?
Extreme temperatures or changes in weather can sometimes affect tire pressure sensors and trigger this code. It's important to monitor and maintain tire pressure regularly, especially in such conditions.
10. How often should I check the tire pressure in my Scion to prevent OBDII code C2122?
It's recommended to check tire pressure at least once a month or before long trips to prevent TPMS issues like code C2122. Proper tire pressure maintenance helps ensure accurate sensor readings and safe driving conditions.
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