AutoCodes – Generic – C2143

C2143 Code - Transmitter ID 3 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: C2143 indicates Transmitter ID 3 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 1,231

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 C2143 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 C2143 - Transmitter ID 3 Error - AutoCodes.com — C2143 Code - Transmitter ID 3 Error

What does this mean?

What are the Possible Causes of the DTC C2143?

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

How to Fix the DTC C2143?

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 C2143 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 C2143 code?

Need more information on how to fix the C2143 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C2143 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C2143 Lexus — Transmitter ID 3 Error
C2143 Scion — Transmitter ID 3 Error
C2143 Toyota — Transmitter ID 3 Error

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 C2143 Code

1. What are the common symptoms of OBDII code C2143 (Transmitter ID 3 Error)?

The common symptoms of OBDII code C2143 include issues with tire pressure monitoring system (TPMS) functionality, such as inaccurate or missing tire pressure readings on the dashboard.

2. What are the possible causes of OBDII code C2143?

Possible causes of OBDII code C2143 include a malfunctioning TPMS sensor, low tire pressure, a faulty TPMS control module, or issues with the TPMS antenna.

3. How can I diagnose OBDII code C2143?

Diagnosing OBDII code C2143 involves using an OBDII scanner to read the code, checking the tire pressure in all tires, inspecting the TPMS sensors for damage or corrosion, and testing the TPMS control module and antenna for proper functionality.

4. How can I repair OBDII code C2143?

Repairing OBDII code C2143 may involve replacing a faulty TPMS sensor, repairing or replacing damaged wiring or connectors, recalibrating the TPMS system, or replacing the TPMS control module if necessary.

5. Can OBDII code C2143 cause any safety concerns?

While OBDII code C2143 itself may not pose immediate safety concerns, a malfunctioning TPMS system can impact your ability to monitor tire pressure accurately, potentially leading to unsafe driving conditions or tire-related issues.

6. Will OBDII code C2143 cause my vehicle to fail an emissions test?

OBDII code C2143 is related to the TPMS system and does not directly impact emissions. However, some states may have regulations requiring a properly functioning TPMS system for vehicle inspection.

7. Can I continue driving with OBDII code C2143?

It is generally safe to continue driving with OBDII code C2143, but it is recommended to address the issue promptly to ensure proper tire pressure monitoring and overall vehicle safety.

8. How much does it cost to repair OBDII code C2143?

The cost of repairing OBDII code C2143 can vary depending on the underlying cause of the issue, the parts needed for repair, labor costs, and whether you choose to address the problem yourself or take your vehicle to a mechanic.

9. How often does OBDII code C2143 occur in vehicles?

OBDII code C2143 related to Transmitter ID 3 Error is relatively uncommon compared to other OBDII codes, but it can still occur in vehicles equipped with a TPMS system.

10. Can OBDII code C2143 be triggered by external factors, such as extreme temperatures or road conditions?

External factors like extreme temperatures or road conditions can impact the performance of the TPMS system and potentially trigger OBDII code C2143, especially if they lead to sensor malfunctions or interference with the TPMS signal.