AutoCodes – Ford – U049A Ford

U049A Ford Code - Invalid Data Received From Door Control Module 'A'

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 Door Control Module 'A', Door Control Module 'A' harness is open or shorted, Door Control Module 'A' 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: U049A Ford indicates Invalid Data Received From Door Control Module 'A'.
Common causes: Common causes include Faulty Door Control Module 'A', Door Control Module 'A' harness is open or shorted, Door Control Module 'A' 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 1,227

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 13, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U049A 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. Some devices are constantly receiving information from other devices through serial data communication network. The invalid data Diagnostic Trouble Code (DTC) will be set when a receiving device detects a discrepancy in the information it receives from the Door Control Module 'A' causing its integrity to be questioned.

OBDII Code U049A Ford - Invalid Data Received From Door Control Module 'A' - AutoCodes.com — U049A Ford Code - Invalid Data Received From Door Control Module 'A'

What does this mean?

What are the Possible Causes of the DTC U049A Ford?

Faulty Door Control Module 'A'
Door Control Module 'A' harness is open or shorted
Door Control Module 'A' circuit poor electrical connection

How to Fix the DTC U049A 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 U049A 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 U049A Ford Code

1. What are common symptoms of OBDII code U049A in a Ford vehicle?

- Common symptoms include issues with power door locks, malfunctioning windows, interior lights not working correctly, and warning lights on the dashboard.

2. What can cause the OBDII code U049A in a Ford indicating 'Invalid Data Received From Door Control Module 'A''?

- The code U049A can be triggered by a faulty door control module, damaged wiring or connectors, software issues, or a communication error within the vehicle's network.

3. How can I diagnose the OBDII code U049A related to the door control module in my Ford vehicle?

- To diagnose the issue, you can use an OBDII scanner to retrieve the code, inspect the door control module and its connections, check for any visible damage to the wiring, and perform a network communication test.

4. Are there any common repair tips for fixing the U049A code on a Ford due to invalid data from the door control module?

- Common repair tips include checking and repairing any damaged wiring or connectors, reprogramming the door control module, resetting the vehicle's computer system, and ensuring all software updates are installed.

5. Can I drive my Ford with the U049A code related to the door control module issue?

- It is generally not recommended to drive your Ford with the U049A code present, as it can lead to further electrical problems and potential safety hazards. It is best to address the issue promptly.

6. How much does it typically cost to repair the U049A code caused by invalid data from the door control module in a Ford?

- The cost of repairing the U049A code can vary depending on the exact cause of the issue, but it may range from $200 to $800, including parts and labor.

7. Is the U049A OBDII code specific to certain Ford models or is it common across various Ford vehicles?

- The U049A code indicating 'Invalid Data Received From Door Control Module 'A'' is commonly found in various Ford models, including trucks, SUVs, and sedans.

8. Can a DIY enthusiast with basic automotive knowledge fix the U049A code related to the door control module in a Ford?

- While some basic troubleshooting steps can be performed by a DIY enthusiast, diagnosing and repairing the U049A code may require specialized tools and expertise, so it is recommended to consult a professional mechanic.

9. Will resetting the OBDII system clear the U049A code caused by the door control module issue in my Ford?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue with the door control module persists, the code is likely to reappear. It is crucial to address the root cause of the problem.

10. How long does it take to repair the U049A code associated with the door control module in a Ford?

- The repair time for the U049A code can vary depending on the exact cause and complexity of the issue. It may take anywhere from a few hours to a full day for the repair to be completed by a professional technician.