AutoCodes – GMC – P1E44 GMC

P1E44 GMC Code - 14 Volt Power Module System High Voltage

Quick Answer

The accessory DC power control module, also referred to as the 14 V power module, constantly monitors system input and output voltage. Common causes include Faulty 14 Volt Power Module, 14 Volt Power Module harness is open or shorted, 14 Volt Power 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: P1E44 GMC indicates 14 Volt Power Module System High Voltage.
Common causes: Common causes include Faulty 14 Volt Power Module, 14 Volt Power Module harness is open or shorted, 14 Volt Power 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 1,123

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 Apr 23, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1E44 GMC Description

The accessory DC power control module, also referred to as the 14 V power module, constantly monitors system input and output voltage. This sensor is internal to the 14 V power module and is not serviced separately from the control module.

OBDII Code P1E44 GMC - 14 Volt Power Module System High Voltage - AutoCodes.com — P1E44 GMC Code - 14 Volt Power Module System High Voltage

What does this mean?

What are the Possible Causes of the DTC P1E44 GMC?

Faulty 14 Volt Power Module
14 Volt Power Module harness is open or shorted
14 Volt Power Module circuit poor electrical connection

How to Fix the DTC P1E44 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 P1E44 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 P1E44 GMC 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 P1E44 GMC Code

1. What are common symptoms of OBDII code P1E44 GMC (14 Volt Power Module System High Voltage)?

The common symptoms of this code may include illuminated warning lights on the dashboard, reduced vehicle performance, and potential issues with the electrical system.

2. What are possible causes of OBDII code P1E44 GMC?

Possible causes of this code include a faulty 14-volt power module, damaged wiring or connectors in the power module system, or issues with the voltage regulation system.

3. How serious is OBDII code P1E44 GMC?

This code should be addressed promptly to prevent potential damage to the vehicle's electrical system. Ignoring the issue can lead to more severe problems and affect the overall performance of the vehicle.

4. Can I continue driving with OBDII code P1E44 GMC active?

It is not recommended to continue driving with this code active, as it can impact the vehicle's performance and safety. It's best to address the issue as soon as possible.

5. How can I diagnose OBDII code P1E44 GMC?

Diagnosing this code typically involves using a diagnostic scanner to retrieve the error code and then performing a thorough inspection of the 14-volt power module system, wiring, and connectors for any visible damage.

6. What repairs are typically needed for OBDII code P1E44 GMC?

Common repairs for this code may include replacing the faulty 14-volt power module, repairing or replacing damaged wiring or connectors, and resetting the error code with a diagnostic scanner.

7. Can a DIY enthusiast fix OBDII code P1E44 GMC at home?

While some basic troubleshooting steps can be performed at home, diagnosing and repairing this code may require specialized tools and expertise. It is recommended to seek assistance from a professional mechanic.

8. How much does it cost to fix OBDII code P1E44 GMC?

The cost of fixing this code can vary depending on the extent of the issue, the required repairs, and the labor rates of the mechanic. It's advisable to obtain quotes from different repair shops.

9. How can I prevent OBDII code P1E44 GMC from recurring?

Regular maintenance of the vehicle's electrical system, including checking the power module and wiring for any signs of damage, can help prevent this code from recurring in the future.

10. Is OBDII code P1E44 GMC a common issue in GMC vehicles?

While this specific code may not be as common as others, issues related to the 14-volt power module system can occur in GMC vehicles, especially in older models or those with high mileage.