AutoCodes – RAM – U12A7 RAM

U12A7 RAM Code - Lost Communication With Display Screen Module

Quick Answer

The Diagnostic Trouble Code (DTC) sets when there is a lost communication with Display Screen Module. Common causes include Faulty Display Screen Module, Display Screen Module harness is open or shorted, Display Screen 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: U12A7 RAM indicates Lost Communication With Display Screen Module.
Common causes: Common causes include Faulty Display Screen Module, Display Screen Module harness is open or shorted, Display Screen 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 585

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 May 12, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U12A7 RAM Description

The Diagnostic Trouble Code (DTC) sets when there is a lost communication with Display Screen Module.

OBDII Code U12A7 RAM - Lost Communication With Display Screen Module - AutoCodes.com — U12A7 RAM Code - Lost Communication With Display Screen Module

What does this mean?

What are the Possible Causes of the DTC U12A7 RAM?

Faulty Display Screen Module
Display Screen Module harness is open or shorted
Display Screen Module circuit poor electrical connection

How to Fix the DTC U12A7 RAM?

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 U12A7 RAM 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 U12A7 RAM Code

1. What are the common symptoms of OBDII code U12A7 RAM Lost Communication With Display Screen Module?

- Common symptoms include the display screen not functioning properly, blank screen, or error messages appearing on the screen.

2. What are the possible causes of the U12A7 code?

- The code can be triggered by issues such as a faulty display screen module, wiring problems, loose connections, or a malfunctioning control module.

3. How can I diagnose the U12A7 code related to lost communication with the display screen module?

- Diagnosing the issue involves checking the wiring connections, inspecting the display screen module, and using a diagnostic scan tool to identify the specific problem.

4. Can I still drive my vehicle with the U12A7 code present?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to avoid any potential safety hazards or further damage.

5. How can I repair the U12A7 code related to lost communication with the display screen module?

- Repairing the issue may involve repairing or replacing the display screen module, fixing any wiring problems, ensuring proper connections, or reprogramming the control module.

6. Is it possible to reset the U12A7 code without addressing the underlying issue?

- While resetting the code may temporarily clear the error message, it is important to diagnose and fix the root cause to prevent the code from reoccurring.

7. Can a DIY enthusiast fix the U12A7 code issue at home?

- Depending on your skill level and access to tools, you may be able to address the issue at home by following repair guides or tutorials specific to your vehicle model.

8. How much does it typically cost to repair the U12A7 code related to lost communication with the display screen module?

- Repair costs can vary based on the extent of the issue, parts needed, labor rates, and whether you choose to do the repair yourself or seek professional help.

9. Are there any preventive measures to avoid encountering the U12A7 code in the future?

- Regularly checking and maintaining the display screen module, ensuring proper wiring connections, and addressing any electrical issues promptly can help prevent the code from appearing.

10. Will the U12A7 code cause my vehicle to fail an OBDII emissions test?

- The U12A7 code itself is not directly related to emissions, so it should not cause your vehicle to fail an OBDII emissions test. However, it is still important to address the issue for proper functionality of the display screen module.