AutoCodes – Ford – U0214 Ford

U0214 Ford Code - Lost Communication With Remote Function Actuation Module

Quick Answer

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Common causes include Faulty Remote Function Actuation Module, Remote Function Actuation Module harness is open or shorted, Remote Function Actuation Module circuit poor electrical connection. 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 Ford indicates Lost Communication With Remote Function Actuation Module.
Common causes: Common causes include Faulty Remote Function Actuation Module, Remote Function Actuation Module harness is open or shorted, Remote Function Actuation Module circuit poor electrical connection.
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 3,612

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 Apr 05, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0214 Ford Description

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Operating information and commands are exchanged among the devices. The devices have programmed information about what messages are needed to be exchanged on the serial data circuits. CAN bus uses two dedicated wires for communication. The wires are called CAN high and CAN low. When the CAN bus is in idle mode, both lines carry 2.5V. When data bits are being transmitted, the CAN high line goes to 3.75V, and the CAN low drops to 1.25V, thereby generating a 2.5V differential between the lines. Since communication relies on a voltage differential between the two bus lines, the CAN bus is NOT sensitive to inductive spikes, electrical fields, or other noise. The Diagnostic Trouble Code (DTC) sets when a periodic message from the Remote Function Actuation Module has not been received.

OBDII Code U0214 Ford - Lost Communication With Remote Function Actuation Module - AutoCodes.com — U0214 Ford Code - Lost Communication With Remote Function Actuation Module

What does this mean?

What are the Possible Causes of the DTC U0214 Ford?

Faulty Remote Function Actuation Module
Remote Function Actuation Module harness is open or shorted
Remote Function Actuation Module circuit poor electrical connection

How to Fix the DTC U0214 Ford?

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 U0214 Ford 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.

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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 U0214 Ford Code

What does the OBDII code U0214 mean for a Ford vehicle?

U0214 indicates that there is a lost communication with the Remote Function Actuation Module (RFAM), which can affect features like remote start, keyless entry, or other remote functions.

What symptoms might indicate a U0214 code?

Common symptoms include the inability to use remote features like keyless entry, remote start not functioning, or warning lights on the dashboard related to the keyless entry system.

What are some common causes of the U0214 code?

Possible causes include a faulty RFAM, damaged wiring or connectors, a dead battery in the key fob, or issues with the vehicle's Body Control Module (BCM) that communicates with the RFAM.

How can I diagnose the U0214 code?

To diagnose U0214, check the vehicle's wiring and connectors for damage, inspect the RFAM for faults, and ensure the key fob battery is charged. A scan tool can also be used to check for additional codes that might provide more context.

What repairs are typically needed to fix the U0214 code?

Repairs can range from replacing a faulty RFAM, fixing wiring or connector issues, replacing the key fob battery, or reprogramming the BCM if required.

Can I drive my Ford vehicle with a U0214 code?

While it's generally possible to drive the vehicle, you may lose functionality of remote features, which could be inconvenient. If the issue affects essential systems, itâ€™s best to address it promptly.

How can I prevent the U0214 code from occurring?

Regular maintenance of electrical systems, ensuring connectors are secure, and keeping the vehicleâ€™s software updated can help prevent issues related to communication loss.

Is it safe to replace the RFAM myself if I have the U0214 code?

If you have experience with automotive electronics, you can replace the RFAM, but it is crucial to follow proper procedures to avoid damaging the vehicleâ€™s electrical system. If unsure, consult a professional mechanic.

Will clearing the U0214 code fix the problem permanently?

Clearing the code may temporarily turn off the check engine light, but if the underlying issue (like a faulty RFAM or wiring problem) isnâ€™t resolved, the code will likely return.