AutoCodes – Toyota – C2142 2015 Toyota RAV4

C2142 2015 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 2015 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.

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Code Popularity 403

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 17, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C2142 2015 Toyota RAV4 Description

The Tire Pressure Warning Valve and Transmitters that are installed in the tire and wheel assemblies measure the tire pressures. The measured values are transmitted to the Tire Pressure Warning ECU and Receiver in the vehicle as radio waves. The ECU compares the measured air pressure values with the air pressure threshold. When the measured air pressure value is less than this threshold, the warning light in the combination meter assembly illuminates.
When the internal circuit of a Tire Pressure Warning Valve and Transmitter is malfunctioning, this Diagnostic Trouble Code (DTC) is output.

OBDII Code C2142 2015 Toyota RAV4 - Transmitter ID 2 Error - AutoCodes.com — C2142 2015 Toyota RAV4 Code - Transmitter ID 2 Error

What does this mean?

What are the Possible Causes of the DTC C2142 2015 Toyota RAV4?

Faulty Tire Pressure Warning Valve and Transmitter
Faulty Tire Pressure Warning ECU and Receiver

How to Fix the DTC C2142 2015 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 2015 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 2015 Toyota RAV4 code?

Need more information on how to fix the C2142 2015 Toyota RAV4 code? Get Access to Factory Service Manuals

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C2142 2015 Toyota RAV4 Code

1. What does the OBDII code C2142 mean on a 2015 Toyota RAV4?

C2142 refers to a "Transmitter ID 2 Error," indicating an issue with the tire pressure monitoring system (TPMS), specifically related to one of the tire pressure sensor IDs.

2. What are the symptoms of the C2142 code on a 2015 Toyota RAV4?

Common symptoms include the TPMS warning light illuminating on the dashboard and the system failing to display correct tire pressure readings.

3. What causes the C2142 code to appear on a 2015 Toyota RAV4?

This code is typically caused by a malfunctioning or damaged TPMS sensor, a sensor with a weak battery, incorrect sensor programming, or interference during sensor communication.

4. Can I still drive my 2015 Toyota RAV4 with the C2142 code?

Yes, you can still drive the vehicle, but the TPMS may not accurately monitor your tire pressures, which could increase the risk of driving on underinflated or overinflated tires.

5. How do I fix the C2142 code on my 2015 Toyota RAV4?

The issue can often be resolved by reprogramming or re-registering the TPMS sensor IDs, replacing a faulty TPMS sensor, or ensuring the tire sensors are properly installed and functional.

6. How much does it cost to fix the C2142 code on a 2015 Toyota RAV4?

The cost depends on the repair needed. Replacing a TPMS sensor typically costs between $50 and $150 per sensor, plus labor charges for reprogramming or relearning.

7. How do I reset the TPMS system after fixing the C2142 code?

To reset the TPMS, use a TPMS tool to reprogram the sensor IDs, or follow the ownerâ€™s manual instructions to perform a system relearn, typically involving a button press or driving the vehicle for a specific distance.

8. Can a weak TPMS sensor battery cause the C2142 code?

Yes, a weak or failing TPMS sensor battery can result in communication errors, triggering the C2142 code.

9. Do I need special tools to fix the C2142 code on my 2015 Toyota RAV4?

Yes, a TPMS scan tool or programmer is often needed to diagnose and reprogram the sensor IDs. A tire shop or dealership typically has the necessary equipment.

10. Can extreme weather affect the C2142 code on a 2015 Toyota RAV4?

Extreme cold or heat can sometimes interfere with TPMS sensor communication, but persistent issues likely indicate a sensor malfunction or programming problem.