AutoCodes – Lexus – C2111 Lexus

C2111 Lexus Code - Transmitter ID 1 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: C2111 Lexus indicates Transmitter ID 1 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 2,809

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 C2111 Lexus 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 C2111 Lexus - Transmitter ID 1 Operation Stop - AutoCodes.com — C2111 Lexus Code - Transmitter ID 1 Operation Stop

What does this mean?

What are the Possible Causes of the DTC C2111 Lexus?

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

How to Fix the DTC C2111 Lexus?

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 C2111 Lexus 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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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 C2111 Lexus Code

1. What does the OBDII code C2111 mean on a Lexus?

The code C2111 indicates "Transmitter ID 1 Operation Stop," which relates to a malfunction in the tire pressure monitoring system (TPMS).

2. What are the common symptoms of code C2111 in a Lexus?

Common symptoms include the TPMS warning light turning on, failure to display tire pressure readings, or intermittent issues with the TPMS system.

3. What causes the C2111 code to appear?

The code can be triggered by a faulty TPMS sensor, a damaged or missing transmitter ID, a dead sensor battery, or interference with the TPMS signal.

4. How can I fix the C2111 code on my Lexus?

Fixing the code typically involves checking the TPMS sensor for damage, replacing a faulty sensor, or reprogramming the transmitter ID with a scan tool.

5. Can a dead TPMS sensor battery cause the C2111 code?

Yes, a dead or weak TPMS sensor battery is a common cause of the C2111 code, as it prevents the transmitter from operating.

6. Do I need to reprogram the TPMS system after replacing a sensor?

Yes, after replacing a sensor, you need to register the new transmitter ID to the vehicle's TPMS system using a compatible scan tool.

7. Can driving with the C2111 code affect tire safety?

Yes, if the TPMS system isnâ€™t functioning, you may not receive alerts about low tire pressure, which could lead to unsafe driving conditions.

8. How much does it cost to fix the C2111 code on a Lexus?

The repair cost varies but typically ranges from $50 to $250 per sensor, depending on whether the sensor is replaced or reprogrammed.

9. Can a TPMS reset tool clear the C2111 code?

A TPMS reset tool may help if the code is caused by a temporary issue, but permanent fixes require addressing the root cause, such as a faulty sensor.

10. Is the C2111 code covered under warranty for my Lexus?

It depends on your vehicleâ€™s warranty and age; TPMS repairs may be covered under the basic or extended warranty if the vehicle is still within coverage.