AutoCodes – Toyota – C2112 Toyota

C2112 Toyota Code - Transmitter ID 2 Operation Stop

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
C2112 Toyota indicates Transmitter ID 2 Operation Stop.
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 4,337
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 15, 2023
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Code C2112 Toyota 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. The Tire Pressure Warning ECU and receiver stores a Diagnostic Trouble Code (DTC) when the tire pressure warning valve and transmitter stop transmitting signals. The signals can be forcibly transmitted by releasing the tire pressure rapidly. The stored DTC is cleared when signal transmission resumes.
OBDII Code C2112 Toyota - Transmitter ID 2 Operation Stop - AutoCodes.com
C2112 Toyota Code - Transmitter ID 2 Operation Stop

What are the Possible Causes of the DTC C2112 Toyota?

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

How to Fix the DTC C2112 Toyota?

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 C2112 Toyota 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 C2112 Toyota code?

Need more information on how to fix the C2112 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C2112 Toyota code diagnosed by a professional: Find a repair shop in your area

Information for Specific Toyota Models

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 C2112 Toyota Code

1. What are the common symptoms of OBDII code C2112 in a Toyota related to Transmitter ID 2 Operation Stop?

The common symptoms include issues with keyless entry, remote start functionality, and tire pressure monitoring system (TPMS) malfunctions.

2. What are some possible causes of OBDII code C2112 in a Toyota indicating Transmitter ID 2 Operation Stop?

Potential causes include a faulty tire pressure sensor, damaged wiring or connectors in the TPMS system, or a malfunctioning tire pressure monitor ECU.

3. How can I diagnose the OBDII code C2112 in a Toyota for Transmitter ID 2 Operation Stop?

You can diagnose this code by using a professional OBDII scanner to retrieve the specific fault codes, inspecting the TPMS sensors and related components, and checking the wiring for any visible damage.

4. What are some repair tips for resolving OBDII code C2112 in a Toyota related to Transmitter ID 2 Operation Stop?

Repair tips include replacing the faulty TPMS sensor, repairing any damaged wiring or connectors, and resetting the TPMS system using the appropriate tools.

5. Is it safe to continue driving my Toyota with the OBDII code C2112 indicating Transmitter ID 2 Operation Stop?

While it may be safe to drive the vehicle, it is recommended to address the issue promptly to ensure proper functioning of keyless entry, remote start, and TPMS systems.

6. Can a DIY enthusiast fix OBDII code C2112 in a Toyota associated with Transmitter ID 2 Operation Stop?

Depending on your level of expertise, you may be able to diagnose and repair this issue yourself by following step-by-step guides and using the necessary tools.

7. How much does it typically cost to repair OBDII code C2112 in a Toyota related to Transmitter ID 2 Operation Stop?

The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing a faulty TPMS sensor, repairing wiring, or resetting the TPMS system, which can range from moderate to high expenses.

8. Will resetting the ECU clear OBDII code C2112 in a Toyota for Transmitter ID 2 Operation Stop?

Resetting the ECU may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear. It's important to diagnose and fix the root cause of the problem.

9. Can extreme weather conditions trigger OBDII code C2112 in a Toyota related to Transmitter ID 2 Operation Stop?

Extreme cold or heat can potentially impact the TPMS sensors or wiring, leading to malfunctions and triggering the code. It's essential to ensure the system is properly maintained in all weather conditions.

10. How long does it typically take to repair OBDII code C2112 in a Toyota associated with Transmitter ID 2 Operation Stop?

The repair time can vary based on the specific cause of the issue and the complexity of the repair. It may range from a quick sensor replacement to a more involved wiring repair, so it's best to consult a professional for an accurate estimate.

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