AutoCodes – Generic – P1E3E

P1E3E Code - 14 V Power Module Random Access Memory

Quick Answer

This is an internal fault detection of the 14 V power module, also called the accessory DC power control module. Common causes include Program 14 V Power Module, Faulty 14 V Power Module, 14 V Power 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: P1E3E indicates 14 V Power Module Random Access Memory.
Common causes: Common causes include Program 14 V Power Module, Faulty 14 V Power Module, 14 V Power 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 803

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 P1E3E Description

This is an internal fault detection of the 14 V power module, also called the accessory DC power control module. This fault is handled inside the 14 V power module and no external circuits are involved.

OBDII Code P1E3E - 14 V Power Module Random Access Memory - AutoCodes.com — P1E3E Code - 14 V Power Module Random Access Memory

What does this mean?

What are the Possible Causes of the DTC P1E3E?

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

How to Fix the DTC P1E3E?

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 P1E3E 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 P1E3E code?

Need more information on how to fix the P1E3E code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1E3E code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1E3E Buick — 14 V Power Module Random Access Memory
P1E3E Cadillac — 14 V Power Module Random Access Memory
P1E3E Chevrolet — 14 V Power Module Random Access Memory
P1E3E GMC — 14 V Power Module Random Access Memory
P1E3E Saturn — 14 V Power Module Random Access Memory

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 P1E3E Code

1. What does the OBDII code P1E3E mean?

P1E3E refers to an issue with the 14V Power Module's Random Access Memory (RAM), which controls and stores critical power management data in hybrid or electric vehicles.

2. What are the common symptoms of code P1E3E?

Symptoms may include the check engine light turning on, reduced fuel efficiency, erratic charging system performance, or limited hybrid/electric functionality.

3. What causes the P1E3E code to appear?

This code can be triggered by corrupted memory in the 14V Power Module, software glitches, faulty wiring or connections, or a malfunctioning power module.

4. Can I drive my car with the P1E3E code?

While the vehicle may still be drivable, it is not recommended as the issue could lead to further power management problems or reduced performance.

5. How is the P1E3E code diagnosed?

A professional will use a scan tool to read the code, check for related codes, inspect the 14V Power Module's wiring and connections, and test the module's functionality.

6. Is the P1E3E code specific to certain vehicles?

Yes, this code is more commonly found in hybrid or electric vehicles equipped with 14V Power Modules for energy management.

7. What repairs are needed for the P1E3E code?

Repairs may include reprogramming or updating the module's software, repairing damaged wiring, or replacing the 14V Power Module if itâ€™s faulty.

8. Can a dead battery cause the P1E3E code?

Yes, a failing or disconnected 12V battery can disrupt the system and potentially cause memory corruption in the 14V Power Module.

9. How much does it cost to fix the P1E3E code?

The cost varies depending on whether the issue is a simple software update or a full replacement of the 14V Power Module, with costs ranging from $200 to over $1000.

10. How can I prevent the P1E3E code from recurring?

Regular maintenance, ensuring proper battery health, and addressing electrical issues promptly can help prevent this code from recurring.