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Engine-Codes – GMC – U2167 GMC

U2167 GMC Code - Lost Communication With Remote Control Door Lock Receiver

Quick Answer

The U2167 GMC code indicates that there is a communication error between the vehicle's main computer and the remote control door lock receiver. Common causes include Faulty remote control door lock receiver, Wiring issues or loose connections between the receiver and the main computer, Malfunctioning main computer. 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
U2167 GMC indicates Lost Communication With Remote Control Door Lock Receiver.
Common causes
Common causes include Faulty remote control door lock receiver, Wiring issues or loose connections between the receiver and the main computer, Malfunctioning main computer.
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 17, 2024
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Code U2167 GMC Description

The U2167 GMC code indicates that there is a communication error between the vehicle's main computer and the remote control door lock receiver. This receiver is responsible for receiving signals from the key fob to lock and unlock the doors remotely. When this communication is lost, it can result in the inability to lock or unlock the doors using the key fob, leading to potential security issues and inconvenience for the driver.

OBDII Code U2167 GMC - Lost Communication With Remote Control Door Lock Receiver
U2167 GMC Code - Lost Communication With Remote Control Door Lock Receiver

Common Causes of U2167 GMC

  1. Faulty remote control door lock receiver
  2. Wiring issues or loose connections between the receiver and the main computer
  3. Malfunctioning main computer
  4. Interference from other electronic devices affecting communication signals
  5. Water damage or corrosion in the receiver unit

Symptoms of U2167 GMC

  1. Inability to lock or unlock doors using the key fob
  2. Doors locking or unlocking intermittently
  3. Alarm system not arming or disarming properly
  4. Warning light on the dashboard related to the security system

How to Fix U2167 GMC

  1. Begin by checking the wiring connections between the remote control door lock receiver and the main computer. Ensure all connections are secure and free of corrosion.
  2. Test the remote control door lock receiver to determine if it is functioning correctly. Replace the receiver if necessary.
  3. If the receiver is working properly, check the main computer for any faults or errors related to communication with the receiver.
  4. Reset the vehicle's security system and reprogram the key fob to establish communication with the receiver.
  5. Test the system to ensure that the communication between the key fob, receiver, and main computer is restored and functioning as intended.

Cost to Fix U2167 GMC

The typical repair costs for addressing a U2167 GMC code can vary depending on the specific cause of the issue. In general, replacing a faulty remote control door lock receiver can cost between $100 and $300, including parts and labor. If the issue is related to wiring or the main computer, the repair costs may increase accordingly. It's important to consider the diagnosis time and labor rates at auto repair shops, which can range from $80 to $150 per hour. Factors such as location, vehicle make and model, and engine type can also impact the overall repair costs. It's recommended to consult with a professional mechanic to get an accurate estimate for addressing this specific issue.

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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 U2167 GMC Code

1. What are the common symptoms of OBDII code U2167 GMC?

- Common symptoms include issues with the remote control door lock function, such as doors not locking or unlocking properly and the remote key fob not working.

2. What are the possible causes of OBDII code U2167 GMC?

- The code U2167 usually indicates a communication problem between the vehicle's control modules and the remote control door lock receiver. This can be caused by wiring issues, a faulty receiver, a malfunctioning control module, or a weak battery in the key fob.

3. How can I diagnose the cause of OBDII code U2167 GMC?

- Diagnosing the issue may involve checking the wiring connections, testing the remote control door lock receiver, inspecting the control modules, and ensuring the key fob battery is functioning properly. A professional diagnostic scan tool can also help pinpoint the exact cause.

4. What are some repair tips for fixing OBDII code U2167 GMC?

- Repairing this code may involve repairing or replacing damaged wiring, replacing the remote control door lock receiver, reprogramming the control modules, or replacing the key fob battery. It's recommended to consult a qualified technician for proper diagnosis and repair.

5. Can OBDII code U2167 GMC be fixed at home?

- While some simple fixes like replacing the key fob battery can be done at home, diagnosing and repairing the underlying cause of the code may require specialized tools and expertise. It's advisable to seek professional help for accurate diagnosis and repair.

6. Is it safe to continue driving with OBDII code U2167 GMC?

- It is generally safe to drive the vehicle with this code, but malfunctioning remote control door locks can pose a security risk. It's best to address the issue promptly to ensure the proper functioning of the door locking system.

7. How much does it typically cost to repair OBDII code U2167 GMC?

- The cost of repairing this code can vary depending on the underlying cause and the specific components that need to be replaced. Costs may include parts, labor, and diagnostic fees, so it's best to get a quote from a trusted mechanic.

8. Can a DIY enthusiast fix OBDII code U2167 GMC?

- While some DIY enthusiasts may be able to perform basic checks and repairs like replacing the key fob battery, diagnosing and fixing the root cause of the code may require advanced automotive knowledge and tools. It's recommended to seek professional help if unsure.

9. How long does it usually take to repair OBDII code U2167 GMC?

- The repair time for this code can vary depending on the complexity of the issue and the availability of parts. Simple fixes like replacing the key fob battery can be done quickly, while diagnosing and repairing wiring or component issues may take longer.

10. What preventive measures can help avoid OBDII code U2167 GMC in the future?

- Regularly checking and replacing the key fob battery, ensuring proper maintenance of the remote control door lock system, and addressing any wiring issues promptly can help prevent the recurrence of code U2167.

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