Engine-CodesCadillac – U2167 Cadillac

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

Quick Answer

The U2167 diagnostic trouble code for Cadillac vehicles indicates that there is a communication failure between the vehicle's onboard computer system and the remote control door lock receiver. Common causes include Faulty remote control door lock receiver, Damaged wiring or connectors, Malfunctioning onboard computer system. 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 Cadillac indicates Lost Communication With Remote Control Door Lock Receiver.
Common causes
Common causes include Faulty remote control door lock receiver, Damaged wiring or connectors, Malfunctioning onboard computer system.
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.
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code U2167 Cadillac Description

The U2167 diagnostic trouble code for Cadillac vehicles indicates that there is a communication failure between the vehicle's onboard computer system and the remote control door lock receiver. This component is responsible for receiving signals from the key fob and transmitting them to the vehicle's locking system to lock or unlock the doors. When this communication is lost, it can lead to issues with the door locks not responding to the key fob commands, potentially compromising the security of the vehicle.

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

Common Causes of U2167 Cadillac

  1. Faulty remote control door lock receiver.
  2. Damaged wiring or connectors.
  3. Malfunctioning onboard computer system.
  4. Interference from other electronic devices.
  5. Water damage or corrosion in the components.

Symptoms of U2167 Cadillac

  1. Doors not locking or unlocking remotely.
  2. Inconsistent response to key fob commands.
  3. Alarm system not activating or deactivating.
  4. Warning light on the dashboard related to the door locks.

How to Fix U2167 Cadillac

  1. Perform a diagnostic scan to retrieve the specific error codes and pinpoint the cause of the communication failure.
  2. Inspect the remote control door lock receiver, wiring, and connectors for any visible damage or corrosion.
  3. Test the functionality of the onboard computer system to ensure it is communicating properly with the receiver.
  4. Replace the faulty remote control door lock receiver if necessary.
  5. Clear the error codes and test the system to verify that the communication issue has been resolved.

Cost to Fix U2167 Cadillac

The typical repair costs for addressing a U2167 code on a Cadillac vehicle can range from $150 to $400, depending on the extent of the issue and the cost of parts and labor. It is important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Most auto repair shops commonly charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships, while independent shops may charge less. It is recommended to inquire about local rates to obtain a more accurate estimate for this repair.

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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 Cadillac Code

1. What are the common symptoms of OBDII code U2167 in a Cadillac related to lost communication with the remote control door lock receiver?

- Common symptoms include issues with remote keyless entry, malfunctioning door locks, and warning lights on the dashboard.

2. What are the possible causes of OBDII code U2167 in a Cadillac?

- Possible causes include a faulty remote control door lock receiver, wiring or connection issues, a damaged antenna, or a problem with the vehicle's body control module.

3. How can I diagnose the source of the communication problem with the remote control door lock receiver in my Cadillac?

- A thorough inspection of the wiring and connections, checking the antenna for damage, and using a diagnostic scanner to pinpoint the exact issue are recommended steps for diagnosis.

4. Are there any common DIY repairs I can attempt to fix the U2167 code related to the remote control door lock receiver in my Cadillac?

- DIY repairs may include checking and repairing any damaged wiring, ensuring proper connections, or replacing a faulty remote control door lock receiver if needed.

5. Can a malfunctioning remote control door lock receiver impact the overall security of my Cadillac?

- Yes, a malfunctioning remote control door lock receiver can compromise the security of your vehicle by affecting the proper functioning of the door locks and keyless entry system.

6. Is it safe to continue driving my Cadillac with the U2167 code related to lost communication with the remote control door lock receiver?

- While the vehicle may still be operable, it is recommended to address the issue promptly to avoid potential security risks or further electrical problems.

7. How much does it typically cost to repair the U2167 OBDII code in a Cadillac caused by lost communication with the remote control door lock receiver?

- Repair costs can vary depending on the exact cause of the issue, but it is advisable to consult a professional technician for an accurate diagnosis and cost estimate.

8. Can I reset the U2167 code related to the remote control door lock receiver in my Cadillac by disconnecting the battery?

- Disconnecting the battery may temporarily clear the code, but it is essential to address the underlying issue causing the communication problem to prevent the code from reoccurring.

9. Is the remote control door lock receiver in a Cadillac a common component to fail, leading to the U2167 diagnostic trouble code?

- While component failure can occur, issues with wiring, connections, or the vehicle's control modules are often more common culprits for the U2167 code related to lost communication.

10. How can regular maintenance help prevent issues with the remote control door lock receiver that may trigger the U2167 code in a Cadillac?

- Regular inspections, checking for any signs of wear or damage, and addressing electrical issues promptly can help prevent problems with the remote control door lock receiver and related diagnostic trouble codes.

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