AutoCodes – Acura – U128D Acura

U128D Acura Code - Power Seat Control Unit Lost Communication With Gauge Control Module

Quick Answer

The Diagnostic Trouble Code (DTC) sets when a communication malfunction was detected between the Gauge Control Module and the Power Seat Control Unit. Common causes include Faulty Gauge Control Module, Gauge Control Module harness is open or shorted, Gauge Control 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: U128D Acura indicates Power Seat Control Unit Lost Communication With Gauge Control Module.
Common causes: Common causes include Faulty Gauge Control Module, Gauge Control Module harness is open or shorted, Gauge Control 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 1,665

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 10, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U128D Acura Description

The Diagnostic Trouble Code (DTC) sets when a communication malfunction was detected between the Gauge Control Module and the Power Seat Control Unit.

OBDII Code U128D Acura - Power Seat Control Unit Lost Communication With Gauge Control Module - AutoCodes.com — U128D Acura Code - Power Seat Control Unit Lost Communication With Gauge Control Module

What does this mean?

What are the Possible Causes of the DTC U128D Acura?

Faulty Gauge Control Module
Gauge Control Module harness is open or shorted
Gauge Control Module circuit poor electrical connection
Faulty Power Seat Control Unit

How to Fix the DTC U128D Acura?

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 U128D Acura 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.

Need more information about the U128D Acura code?

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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 U128D Acura Code

1. What are the common symptoms of OBDII code U128D in an Acura related to the power seat control unit losing communication with the gauge control module?

The common symptoms include non-functional power seat controls, inaccurate gauge readings, and warning lights on the dashboard.

2. What are the possible causes of OBDII code U128D in an Acura?

The code U128D can be triggered by a faulty power seat control unit, a malfunctioning gauge control module, damaged wiring or connectors, or a communication error between the modules.

3. How can I diagnose the issue related to OBDII code U128D in my Acura?

Diagnosing the issue may involve using an OBDII scanner to retrieve the code, inspecting the power seat control unit and gauge control module, checking for loose or damaged wiring, and performing communication tests between the modules.

4. Can I still drive my Acura with the OBDII code U128D present?

It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to prevent further damage or inconvenience due to the power seat controls not functioning properly.

5. How can I repair OBDII code U128D in my Acura?

The repair process may involve replacing the faulty power seat control unit or gauge control module, repairing or replacing damaged wiring, and ensuring proper communication between the modules.

6. Is it possible to reset the OBDII code U128D in my Acura without fixing the underlying issue?

While you can clear the code using an OBDII scanner, it is important to address the root cause of the problem to prevent the code from reappearing.

7. Are there any DIY tips for addressing OBDII code U128D in my Acura?

If you have experience with automotive electrical systems, you may attempt to inspect the wiring and connectors for damage, but complex repairs or module replacements may require professional assistance.

8. Can extreme weather conditions cause OBDII code U128D to appear in an Acura?

Extreme temperatures or moisture can potentially affect the communication between modules, so it's important to keep your vehicle protected and maintained to prevent such issues.

9. How much does it typically cost to repair OBDII code U128D in an Acura?

The cost of repair can vary depending on the specific cause of the issue, but it may involve parts replacement, labor costs, and diagnostic fees, so it is advisable to get estimates from automotive professionals.

10. Is the OBDII code U128D specific to Acura vehicles, or can it occur in other car brands as well?

While this particular code may be specific to Acura vehicles, similar communication errors between control modules can occur in other car brands, triggering different OBDII codes.