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Engine-Codes – Generic – U0167

U0167 Code - Lost Communication With Vehicle Immobilizer Control Module

Quick Answer

The U0167 code indicates that there is a communication problem between the vehicle's engine control module (ECM) and the immobilizer control module. Common causes include Faulty wiring connections, Corrosion on wiring or connectors, Water damage to modules. 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
U0167 indicates Lost Communication With Vehicle Immobilizer Control Module.
Common causes
Common causes include Faulty wiring connections, Corrosion on wiring or connectors, Water damage to modules.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code U0167 Description

The U0167 code indicates that there is a communication problem between the vehicle's engine control module (ECM) and the immobilizer control module. The immobilizer control module is responsible for preventing the vehicle from starting without the correct key, which is essential for preventing theft. When communication is lost between these two modules, it can lead to the vehicle not starting or running erratically.

OBDII Code U0167 - Lost Communication With Vehicle Immobilizer Control Module
U0167 Code - Lost Communication With Vehicle Immobilizer Control Module

Common Causes of U0167

  1. Faulty wiring connections
  2. Corrosion on wiring or connectors
  3. Water damage to modules
  4. Malfunctioning immobilizer control module
  5. ECM software issues

Symptoms of U0167

  1. Engine not starting
  2. Intermittent starting issues
  3. Engine stalling
  4. Dashboard warning light illuminating
  5. Inability to shift gears

How to Fix U0167

  1. Inspect and repair any damaged wiring or connectors related to the immobilizer control module.
  2. Check for corrosion and clean or replace affected components.
  3. Test the immobilizer control module for proper functioning and replace if necessary.
  4. Update ECM software to ensure proper communication with the immobilizer control module.
  5. Clear the diagnostic trouble codes and perform a test drive to verify the issue has been resolved.

Cost to Fix U0167

The typical repair costs for resolving a U0167 code can range from $200 to $500, depending on the specific cause of the communication issue and the labor involved. This estimate includes the cost of any necessary parts, such as wiring, connectors, or modules, as well as the labor charges for diagnosis and repair. It's important to note that the actual cost may vary based on the location, vehicle make and model, and the rates charged by the auto repair shop. It's recommended to obtain a detailed quote from a trusted mechanic before proceeding with the repair.

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Code U0167 Information for Specific Makes

  • U0167 Buick — Lost Communication With Immobilizer Control Module
  • U0167 Cadillac — Lost Communication With Immobilizer Control Module
  • U0167 Chevrolet — Lost Communication With Immobilizer Control Module
  • U0167 Chrysler — Lost Communication With Intrusion Transceiver Control Module
  • U0167 Dodge — Lost Communication With Intrusion Transceiver Control Module
  • U0167 Fiat — Lost Communication With Intrusion Transceiver Control Module
  • U0167 GMC — Lost Communication With Immobilizer Control Module
  • U0167 Jeep — Lost Communication With Intrusion Transceiver Control Module
  • U0167 Land Rover — Lost Communication With Vehicle Immobilizer Control Module
  • U0167 RAM — Lost Communication With Intrusion Transceiver Control Module
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 U0167 Code

1. What are common symptoms of OBDII code U0167 - Lost Communication With Vehicle Immobilizer Control Module?

- Common symptoms include difficulty starting the vehicle, engine stalling, inability to start the engine, and the immobilizer light staying on.

2. What are some possible causes of OBDII code U0167?

- Causes of U0167 can include a faulty vehicle immobilizer control module, wiring issues, a blown fuse, or a problem with the vehicle's ECU.

3. How can I diagnose OBDII code U0167?

- Diagnosing U0167 typically involves using a diagnostic scanner to retrieve the code, checking the wiring and connections to the immobilizer control module, and testing the module itself.

4. How can I repair OBDII code U0167?

- Repairing U0167 may involve repairing or replacing damaged wiring, checking and replacing fuses if necessary, or replacing the vehicle immobilizer control module.

5. Can OBDII code U0167 cause the vehicle to not start?

- Yes, U0167 can cause the vehicle not to start if the communication with the immobilizer control module is lost, preventing the engine from starting.

6. Are there any DIY tips for troubleshooting OBDII code U0167?

- DIY tips for troubleshooting U0167 include checking the immobilizer control module connections, inspecting the wiring for any visible damage, and ensuring all fuses related to the immobilizer system are intact.

7. Is it safe to continue driving with OBDII code U0167 present?

- It is not recommended to continue driving with U0167 present, as it can lead to potential starting issues and engine stalling, posing a safety risk.

8. How much does it typically cost to repair OBDII code U0167?

- The cost to repair U0167 can vary depending on the cause of the issue, but it may range from around $100 for minor repairs to several hundred dollars for module replacement.

9. Can a low battery voltage trigger OBDII code U0167?

- Yes, low battery voltage can sometimes trigger U0167 by causing communication issues between the vehicle's systems, including the immobilizer control module.

10. How long does it usually take to repair OBDII code U0167?

- The repair time for U0167 can vary based on the exact cause of the issue and the complexity of the repair, but it typically takes a few hours to a full day for diagnosis and repair.

Discuss the causes and fixes for U0167 OBDII Code

Submit a New Comment

  • The vehicle not able to start due to failed Immobilizer then I replaced it and the code U0167 was recorded and the vehicle still not able to start.

    Reply to Comment

  • What model and year is your vehicle? It's possible that the problem was the Immobilizer Control Module.

    Reply to Comment

  • Toyota grand avanza machine do not want to flame trouble code u0167 lost communication with vehicle immobilizer control module

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  • Have a 2006 Range Rover supercharged with check engine light on and diagnoses with a u0167 code and repair shop was at a loss. Any ideas to reset or what the code is?

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