AutoCodes – GMC – B1328 GMC

B1328 GMC Code - Device Power Circuit High

Quick Answer

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Common causes include Battery voltage, Faulty Control Module, Control Module harness is open or shorted. 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: B1328 GMC indicates Device Power Circuit High.
Common causes: Common causes include Battery voltage, Faulty Control Module, Control Module harness is open or shorted.
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 1,399

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 Nov 29, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1328 GMC Description

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Damage to components, and incorrect data can occur when the voltage is out of range. The vehicle has multiple Control Modules that will set this Diagnostic Trouble Code (DTC).

OBDII Code B1328 GMC - Device Power Circuit High - AutoCodes.com — B1328 GMC Code - Device Power Circuit High

What does this mean?

What are the Possible Causes of the DTC B1328 GMC?

Battery voltage
Faulty Control Module
Control Module harness is open or shorted
Control Module circuit poor electrical connection

How to Fix the DTC B1328 GMC?

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 B1328 GMC 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 B1328 GMC code?

Need more information on how to fix the B1328 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1328 GMC code diagnosed by a professional: Find a repair shop in your area

Information for Specific GMC Models

B1328 2014 GMC Sierra — Device Power Circuit High
B1328 2015 GMC Sierra — Device Power Circuit High
B1328 2016 GMC Sierra — Device Power Circuit High
B1328 2017 GMC Sierra — Device Power Circuit High
B1328 2018 GMC Sierra — Device Power Circuit High

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 B1328 GMC Code

1. What are the common symptoms of OBDII code B1328 GMC (Device Power Circuit High)?

The common symptoms include issues with the vehicle's power windows, power locks, or interior lights not functioning properly.

2. What can cause the OBDII code B1328 GMC to appear?

The code B1328 usually indicates a high voltage in the device power circuit, which can be caused by a faulty power window switch, damaged wiring, or a malfunctioning control module.

3. How can I diagnose the OBDII code B1328 GMC?

Diagnosing the code involves using a scan tool to read the trouble code and then inspecting the power window system components for any visible damage or loose connections.

4. What are some repair tips for fixing the OBDII code B1328 GMC?

Repair tips include checking and repairing any damaged wiring, replacing a faulty power window switch or control module, and ensuring all connections are secure.

5. Can I drive my vehicle with the OBDII code B1328 GMC active?

It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to prevent further damage to the power window system.

6. How much does it typically cost to repair the OBDII code B1328 GMC?

The cost of repair can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor.

7. Will resetting the OBDII code B1328 GMC make it go away permanently?

Resetting the code may temporarily clear the error, but if the underlying issue is not fixed, the code is likely to reappear.

8. Can a DIY enthusiast fix the OBDII code B1328 GMC?

Depending on the root cause of the issue, some DIY enthusiasts with automotive repair experience may be able to address the problem themselves by following repair guides or tutorials.

9. Is the OBDII code B1328 GMC specific to certain GMC models?

The code B1328 can be specific to GMC vehicles, but it may also apply to other makes and models with similar power window systems.

10. How urgent is it to address the OBDII code B1328 GMC?

While the code may not pose an immediate safety risk, it is recommended to address the issue in a timely manner to ensure the proper functioning of the power window system and prevent any further electrical issues.