C2142 2018 Toyota RAV4 Code - Transmitter ID 2 Error
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
- C2142 2018 Toyota RAV4 indicates Transmitter ID 2 Error.
- 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 C2142 2018 Toyota RAV4 Description
When the internal circuit of a Tire Pressure Warning Valve and Transmitter is malfunctioning, this Diagnostic Trouble Code (DTC) is output.
What are the Possible Causes of the DTC C2142 2018 Toyota RAV4?
- Faulty Tire Pressure Warning Valve and Transmitter
- Faulty Tire Pressure Warning ECU and Receiver
How to Fix the DTC C2142 2018 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 C2142 2018 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 C2142 2018 Toyota RAV4 code?
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Frequently Asked Questions about C2142 2018 Toyota RAV4 Code
1. What does the OBDII code C2142 mean on a 2018 Toyota RAV4?
C2142 indicates a "Transmitter ID 2 Error," meaning the vehicle's tire pressure monitoring system (TPMS) is unable to recognize one of the tire pressure sensor IDs.
2. What are the common symptoms of code C2142 on a 2018 Toyota RAV4?
Symptoms include an illuminated TPMS warning light on the dashboard and potentially inaccurate or missing tire pressure readings.
3. What causes the C2142 code to appear on a 2018 Toyota RAV4?
The code can be caused by a faulty or damaged TPMS sensor, incorrect programming of the sensor ID, interference from aftermarket devices, or a weak/broken sensor battery.
4. Can I drive my 2018 Toyota RAV4 with the C2142 code?
Yes, you can drive the vehicle, but the TPMS may not function correctly, which can make it harder to monitor tire pressure and increase the risk of driving with underinflated or overinflated tires.
5. How can I fix the C2142 code on my 2018 Toyota RAV4?
The issue can often be resolved by reprogramming or registering the TPMS sensor ID using a scan tool, replacing a faulty sensor, or checking for interference from electronic devices.
6. How do I know if a TPMS sensor is faulty in my 2018 Toyota RAV4?
A professional scan tool can be used to test each TPMS sensor for functionality, battery life, and proper communication with the TPMS module.
7. Do I need to replace all TPMS sensors if I get a C2142 code?
No, you only need to replace the faulty sensor causing the issue, unless others are also nearing the end of their battery life.
8. Will disconnecting the battery clear the C2142 code on a 2018 Toyota RAV4?
Disconnecting the battery may temporarily clear the code, but it will return if the underlying problem is not resolved.
9. Can aftermarket tires or wheels trigger the C2142 code?
Yes, if the new tires or wheels do not have compatible TPMS sensors or if the sensors were not properly programmed, the code may appear.
10. Do I need specialized tools to fix the C2142 code on a 2018 Toyota RAV4?
Yes, a TPMS scan tool or OBDII scanner capable of programming TPMS sensor IDs is typically required to diagnose and resolve the issue.
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