AutoCodes – Generic – P1E3F

P1E3F Code - 14 V Power Module Read Only 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: P1E3F indicates 14 V Power Module Read Only 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 861

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 P1E3F 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 P1E3F - 14 V Power Module Read Only Memory - AutoCodes.com — P1E3F Code - 14 V Power Module Read Only Memory

What does this mean?

What are the Possible Causes of the DTC P1E3F?

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 P1E3F?

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 P1E3F 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 P1E3F code?

Need more information on how to fix the P1E3F code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1E3F code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1E3F Buick — 14 V Power Module Read Only Memory
P1E3F Cadillac — 14 V Power Module Read Only Memory
P1E3F Chevrolet — 14 V Power Module Read Only Memory
P1E3F GMC — 14 V Power Module Read Only Memory
P1E3F Saturn — 14 V Power Module Read Only 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 P1E3F Code

1. What are the common symptoms of OBDII code P1E3F (14 V Power Module Read Only Memory)?

- Common symptoms include issues with the vehicle's electrical system, such as power windows not working, dashboard lights flickering, and trouble starting the engine.

2. What are the possible causes of OBDII code P1E3F?

- The code P1E3F can be triggered by a faulty 14 V power module read-only memory, damaged wiring in the power module circuit, or a malfunction in the power module itself.

3. How can I diagnose the OBDII code P1E3F?

- Diagnosing the code P1E3F typically involves using a compatible OBDII scanner to retrieve the trouble codes stored in the vehicle's computer system. A thorough inspection of the power module circuit and components may also be necessary.

4. Can I still drive my vehicle with OBDII code P1E3F?

- It is not recommended to drive your vehicle with the OBDII code P1E3F present, as it can lead to further damage to the electrical system and potentially affect the overall performance of the vehicle.

5. How can I repair OBDII code P1E3F?

- Repairing the OBDII code P1E3F usually involves replacing the faulty 14 V power module read-only memory or repairing any damaged wiring in the power module circuit. It is recommended to consult a professional mechanic for proper diagnosis and repair.

6. Is it safe to reset the OBDII code P1E3F with a scanner?

- Resetting the OBDII code P1E3F with a scanner may temporarily clear the code, but if the underlying issue is not addressed and repaired, the code is likely to reappear. It is important to diagnose and fix the root cause of the code.

7. Can a DIY enthusiast fix OBDII code P1E3F at home?

- While some DIY enthusiasts may have the skills to address OBDII code P1E3F, it is recommended to seek the help of a professional mechanic due to the complexity of diagnosing and repairing electrical system issues in modern vehicles.

8. Will OBDII code P1E3F affect my vehicle's emissions?

- The OBDII code P1E3F is related to the power module read-only memory and does not directly impact the vehicle's emissions. However, unresolved electrical system issues may affect overall vehicle performance and emissions in the long run.

9. How much does it cost to repair OBDII code P1E3F?

- The cost of repairing OBDII code P1E3F can vary depending on the specific cause of the issue, the make and model of the vehicle, and labor rates in your area. It is advisable to obtain quotes from different mechanics for an accurate estimate.

10. Can OBDII code P1E3F cause other problems in my vehicle?

- Yes, if left unresolved, OBDII code P1E3F can lead to further electrical system issues, potentially affecting other components of the vehicle such as the starter, alternator, and various sensors. It is important to address the code promptly to prevent additional problems.