AutoCodes – Dodge – U12A7 Dodge

U12A7 Dodge 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 Dodge 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 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 May 12, 2020

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

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

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

What does this mean?

What are the Possible Causes of the DTC U12A7 Dodge?

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 Dodge?

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 Dodge 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 Dodge Code

1. What are the common symptoms of OBDII code U12A7 in a Dodge indicating lost communication with the display screen module?

- Common symptoms include a blank or frozen display screen, loss of audio or navigation functions, and inoperative climate control settings.

2. What are the possible causes of the U12A7 code in a Dodge vehicle?

- The U12A7 code can be caused by a faulty display screen module, a problem with the wiring or connectors, or issues with the vehicle's communication network.

3. How can I diagnose the U12A7 code in my Dodge to pinpoint the issue?

- To diagnose the U12A7 code, you may need to use a professional OBDII scanner to communicate with the display screen module and check for any error codes. Additionally, inspecting the wiring and connectors for any damage or corrosion is recommended.

4. What are some repair tips for fixing the U12A7 code in a Dodge?

- Repair options may include replacing the display screen module, repairing or replacing damaged wiring or connectors, or resetting the communication network in the vehicle. Consulting a professional mechanic or dealership may be necessary for proper diagnosis and repair.

5. Can I continue driving my Dodge with the U12A7 code present?

- It is not recommended to drive your vehicle with the U12A7 code active, as it may affect important functions like audio, navigation, and climate control. Seek professional assistance to diagnose and repair the issue promptly.

6. Is the U12A7 code a serious issue in a Dodge vehicle?

- While the U12A7 code may not affect the drivability of your vehicle, it can impact convenience and safety features. It is essential to address the issue to ensure all systems are functioning properly.

7. How much does it typically cost to repair the U12A7 code in a Dodge?

- Repair costs for the U12A7 code can vary depending on the specific issue causing the communication loss with the display screen module. Costs may include parts and labor for replacement components or repairs.

8. Can I reset the U12A7 code in my Dodge myself?

- Attempting to reset the U12A7 code without addressing the underlying issue may not resolve the problem permanently. It is best to diagnose the root cause of the code and address it accordingly to prevent future occurrences.

9. Are there any recalls or technical service bulletins related to the U12A7 code in Dodge vehicles?

- It is recommended to check with your local Dodge dealership or online resources for any recalls or technical service bulletins related to the U12A7 code in your specific Dodge model and year.

10. What should I do if I encounter the U12A7 code in my Dodge repeatedly?

- If the U12A7 code keeps reoccurring in your Dodge, it is advisable to seek professional help from a certified mechanic or dealership to thoroughly diagnose and address the underlying cause of the communication issue.