AutoCodes – Generic – C2112

C2112 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 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 14,709

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 15, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C2112 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 - Transmitter ID 2 Operation Stop - AutoCodes.com — C2112 Code - Transmitter ID 2 Operation Stop

What does this mean?

What are the Possible Causes of the DTC C2112?

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

How to Fix the DTC C2112?

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 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 code?

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

Need Help with the Code?

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

Information for Specific Makes

C2112 Chrysler — Sensor Supply 1 Voltage Circuit High
C2112 Dodge — Sensor Supply 1 Voltage Circuit High
C2112 Hyundai — Valve Relay Error
C2112 Jeep — Sensor Supply 1 Voltage Circuit High
C2112 KIA — Valve Relay Error
C2112 Lexus — Transmitter ID 2 Operation Stop
C2112 Scion — Transmitter ID 2 Operation Stop
C2112 Toyota — Transmitter ID 2 Operation Stop

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 Code

1. What are the common symptoms of OBDII code C2112 Transmitter ID 2 Operation Stop?

Common symptoms include issues with tire pressure monitoring system (TPMS) functionality, such as inaccurate or unavailable tire pressure readings.

2. What can cause the OBDII code C2112 Transmitter ID 2 Operation Stop to trigger?

The code C2112 is usually triggered by a malfunction in the TPMS transmitter, a weak or dead battery in the TPMS sensor, or issues with the TPMS receiver.

3. How can I diagnose the cause of OBDII code C2112 Transmitter ID 2 Operation Stop?

Diagnosing this code typically involves using a TPMS tool to check the status of each sensor, verifying the battery levels in the TPMS sensors, and inspecting the TPMS receiver for any faults.

4. Can low tire pressure cause the OBDII code C2112 Transmitter ID 2 Operation Stop to appear?

Yes, low tire pressure can lead to the triggering of code C2112 as it affects the proper operation of the TPMS sensors.

5. What are some repair tips for fixing OBDII code C2112 Transmitter ID 2 Operation Stop?

Repair tips include replacing the TPMS sensor batteries, reprogramming or replacing faulty TPMS sensors, ensuring proper tire pressure in all tires, and checking for any signal interference that may disrupt TPMS operation.

6. Is it safe to continue driving with OBDII code C2112 Transmitter ID 2 Operation Stop present?

While the vehicle should still be safe to drive with this code, it is important to address the underlying TPMS issue promptly to ensure proper tire pressure monitoring and safety.

7. Can weather conditions affect the triggering of OBDII code C2112 Transmitter ID 2 Operation Stop?

Extreme weather conditions, such as temperature fluctuations, can impact the TPMS sensors and potentially lead to the triggering of code C2112.

8. How much does it typically cost to repair OBDII code C2112 Transmitter ID 2 Operation Stop?

The cost of repairing this code can vary depending on the underlying issue, but it may involve expenses for TPMS sensor replacement, battery replacement, or diagnostic services.

9. Will resetting the OBDII system clear the code C2112 Transmitter ID 2 Operation Stop?

Resetting the OBDII system may temporarily clear the code, but if the underlying TPMS issue is not addressed, the code is likely to reappear.

10. How often should TPMS sensors be checked to prevent OBDII code C2112 Transmitter ID 2 Operation Stop?

It is recommended to have TPMS sensors checked during regular vehicle maintenance intervals or whenever there are signs of TPMS malfunctions to prevent the triggering of code C2112.