AutoCodes – Generic – B1328

B1328 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 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 18,568

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 Jul 08, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1328 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 - Device Power Circuit High - AutoCodes.com — B1328 Code - Device Power Circuit High

What does this mean?

What are the Possible Causes of the DTC B1328?

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

How to Fix the DTC B1328?

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 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 code?

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

Need Help with the Code?

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

Information for Specific Makes

B1328 Buick — Device Power Circuit High
B1328 Cadillac — Device Power Circuit High
B1328 Chevrolet — Device Power Circuit High
B1328 Ford — Passenger Door Ajar Circuit Open
B1328 GMC — Device Power Circuit High
B1328 Hyundai — Driver-Side Front Impact Sensor Defect
B1328 KIA — Driver-Side Front Impact Sensor Defect
B1328 Lincoln — Passenger Door Ajar Circuit Open
B1328 Mercury — Passenger Door Ajar Circuit Open
B1328 Pontiac — Device Power Circuit High
B1328 Saturn — 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 Code

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

- Common symptoms include the vehicle's device not functioning properly, such as the radio, navigation system, or other electronic components.

2. What are the possible causes of OBDII code B1328?

- Possible causes include a malfunctioning device, a short circuit in the device's power circuit, or a faulty wiring connection.

3. How can I diagnose OBDII code B1328?

- Diagnostic steps involve checking the affected device for proper function, inspecting the power circuit wiring for any damage, and testing the voltage in the circuit.

4. Can OBDII code B1328 be cleared/reset without fixing the underlying issue?

- Clearing the code without addressing the root cause may temporarily remove the warning light, but the issue will likely reoccur until the underlying problem is resolved.

5. What repair tips can help fix OBDII code B1328?

- Repair tips include checking and repairing any damaged wiring, replacing the faulty device, ensuring proper connections, and resetting the code after repairs.

6. Is it safe to continue driving with OBDII code B1328 present?

- It is generally safe to drive with this code, but it is recommended to address the issue promptly to prevent any inconvenience from malfunctioning devices in the vehicle.

7. Will OBDII code B1328 affect the vehicle's performance?

- This code typically does not affect the vehicle's performance in terms of driving, but it may impact the functionality of certain electronic devices.

8. How much does it cost to repair OBDII code B1328?

- Repair costs can vary depending on the underlying issue, such as replacing a faulty device or repairing damaged wiring. It is advisable to consult a professional for an accurate estimate.

9. Can extreme weather conditions trigger OBDII code B1328?

- Extreme weather conditions may not directly trigger this code, but they can potentially exacerbate existing electrical issues leading to the Device Power Circuit High fault.

10. Are there any preventive measures to avoid OBDII code B1328 in the future?

- Regularly inspecting the vehicle's electrical components, ensuring proper wiring connections, and addressing any issues promptly can help prevent OBDII code B1328 from occurring.