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Engine-Codes – Generic – U0214

U0214 Code - Lost Communication With Remote Function Actuation

Quick Answer

The U0214 code indicates that the vehicle's onboard computer has lost communication with the remote function actuation module. Common causes include Wiring or connection issues, Faulty remote function actuation module, Electrical interference. 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
U0214 indicates Lost Communication With Remote Function Actuation.
Common causes
Common causes include Wiring or connection issues, Faulty remote function actuation module, Electrical interference.
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 09, 2024
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Code U0214 Description

The U0214 code indicates that the vehicle's onboard computer has lost communication with the remote function actuation module. This module is responsible for controlling various remote functions in the vehicle, such as keyless entry, remote start, and power liftgate operation. When communication is lost between the module and the vehicle's computer, it can lead to a range of issues with these remote functions.

OBDII Code U0214 - Lost Communication With Remote Function Actuation
U0214 Code - Lost Communication With Remote Function Actuation

Common Causes of U0214

  1. Wiring or connection issues
  2. Faulty remote function actuation module
  3. Electrical interference
  4. Software glitches in the vehicle's computer system
  5. Water damage to the module or wiring

Symptoms of U0214

  1. Inability to use the keyless entry system
  2. Remote start feature not working
  3. Power liftgate failing to open or close automatically
  4. Warning light on the dashboard indicating a communication issue

How to Fix U0214

  1. Begin by conducting a visual inspection of the wiring and connections related to the remote function actuation module.
  2. Use a diagnostic scanner to retrieve the trouble codes and identify the specific issue causing the communication loss.
  3. Test the remote function actuation module to determine if it is functioning correctly.
  4. Repair or replace any damaged wiring or connections.
  5. Clear the trouble codes, reset the vehicle's computer system, and test the remote functions to ensure they are working properly.

Cost to Fix U0214

The typical repair costs for addressing a U0214 code can range from $100 to $300, depending on the extent of the issue and the specific repairs required. This estimate includes the cost of any necessary parts and labor. However, it is important to note that the actual cost may vary based on factors such as the location of the repair shop, the make and model of the vehicle, and the type of engine. Additionally, diagnostic time and labor rates can vary between different auto repair shops, so it is advisable to inquire about specific rates in your area for a more accurate estimate.

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Code U0214 Information for Specific Makes

  • U0214 Ford — Lost Communication With Remote Function Actuation Module
  • U0214 Lincoln — Lost Communication With Remote Function Actuation Module
  • U0214 Mercury — Lost Communication With Remote Function Actuation 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 U0214 Code

1. What are common symptoms of OBDII code U0214 (Lost Communication With Remote Function Actuation)?

- Common symptoms include issues with remote keyless entry, malfunctioning power windows, inoperative power mirrors, and unresponsive door locks.

2. What are possible causes of OBDII code U0214?

- Possible causes include a faulty remote function actuation module, damaged wiring or connectors in the communication network, or a problem with the body control module.

3. How can I diagnose the root cause of OBDII code U0214?

- To diagnose the issue, you can use a scan tool to check for additional trouble codes, inspect the wiring and connectors for damage, and perform a pinpoint test on the remote function actuation system.

4. Can I still drive my vehicle with OBDII code U0214 present?

- It is generally safe to drive the vehicle with this code, but the affected remote functions may not work properly until the issue is resolved.

5. How can I repair OBDII code U0214?

- Repair options include replacing the remote function actuation module, repairing damaged wiring or connectors, or reprogramming the body control module if necessary.

6. Is it possible to reset OBDII code U0214 without fixing the underlying issue?

- Clearing the code without addressing the root cause may temporarily resolve the warning light, but the issue will likely reoccur until the problem is properly repaired.

7. Are there any DIY tips for fixing OBDII code U0214?

- DIY tips include checking for loose or corroded connectors, conducting a visual inspection of wiring, and ensuring that the remote function actuation module is securely connected.

8. Can extreme weather conditions cause OBDII code U0214 to trigger?

- Yes, extreme temperatures or moisture can sometimes affect the communication between modules and trigger the U0214 code. Inspecting and protecting electrical connections can help prevent this.

9. Will replacing the vehicle's battery solve OBDII code U0214?

- While a weak or failing battery can sometimes cause communication issues, it is not a guaranteed solution for U0214. It's best to diagnose the specific cause of the code before replacing the battery.

10. How long does it typically take to repair OBDII code U0214?

- The repair time can vary depending on the exact cause of the issue, but it may take anywhere from 1-3 hours for diagnosis and repair by a professional technician.

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