AutoCodes – Saturn – P1EFE Saturn

P1EFE Saturn Code - Battery Charger Reverse Polarity Protection Circuit Performance

Quick Answer

The battery charger 14 V output circuit is connected to the vehicle 12 V system. Common causes include Faulty Battery Charger, Battery Charger harness is open or shorted, Battery Charger 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: P1EFE Saturn indicates Battery Charger Reverse Polarity Protection Circuit Performance.
Common causes: Common causes include Faulty Battery Charger, Battery Charger harness is open or shorted, Battery Charger 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 921

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 25, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1EFE Saturn Description

The battery charger 14 V output circuit is connected to the vehicle 12 V system. The battery charger monitors the 14 V output for proper current and voltage conditions. The battery charger has the ability to drive the voltage to 14 V.

OBDII Code P1EFE Saturn - Battery Charger Reverse Polarity Protection Circuit Performance - AutoCodes.com — P1EFE Saturn Code - Battery Charger Reverse Polarity Protection Circuit Performance

What does this mean?

What are the Possible Causes of the DTC P1EFE Saturn?

Faulty Battery Charger
Battery Charger harness is open or shorted
Battery Charger circuit poor electrical connection

How to Fix the DTC P1EFE Saturn?

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 P1EFE Saturn 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 P1EFE Saturn code?

Need more information on how to fix the P1EFE Saturn code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1EFE Saturn code diagnosed by a professional: Find a repair shop in your area

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 P1EFE Saturn Code

1. What are the common symptoms of OBDII code P1EFE in a Saturn related to the Battery Charger Reverse Polarity Protection Circuit Performance?

- Common symptoms include difficulty starting the vehicle, a weak or dead battery, and issues with the electrical system.

2. What are the possible causes of OBDII code P1EFE in a Saturn?

- The code may be triggered by a faulty battery charger, reverse polarity connection, damaged wiring, a defective battery, or a malfunctioning charging system.

3. How can I diagnose the Battery Charger Reverse Polarity Protection Circuit Performance issue in my Saturn?

- You can start by checking the battery connections, inspecting the wiring for any damage, testing the battery charger, and using a multimeter to check voltage readings.

4. What steps can I take to repair OBDII code P1EFE in my Saturn?

- Repair options include fixing any damaged wiring, replacing the battery charger if faulty, ensuring proper battery connections, and addressing any issues with the charging system.

5. Can I continue driving my Saturn with the P1EFE code related to Battery Charger Reverse Polarity Protection Circuit Performance?

- It is not recommended to drive the vehicle with this issue as it can lead to further electrical problems and potential damage to the battery and other components.

6. Is it safe to clear the OBDII code P1EFE in my Saturn without addressing the underlying issue?

- Clearing the code without fixing the problem may temporarily remove the warning light, but the issue will persist and could cause more serious problems over time.

7. How much does it typically cost to repair OBDII code P1EFE related to the Battery Charger Reverse Polarity Protection Circuit Performance in a Saturn?

- Repair costs can vary depending on the specific cause of the issue, but expect to pay for parts and labor, which could range from $100 to $500 or more.

8. Can I prevent OBDII code P1EFE from occurring in my Saturn in the future?

- To prevent this code from reoccurring, ensure proper battery charging procedures, avoid reverse polarity connections, regularly inspect the electrical system, and use a reliable battery charger.

9. Are there any DIY repair options for addressing OBDII code P1EFE in a Saturn?

- Depending on your level of automotive expertise, you may be able to address simple issues like checking and tightening battery connections, but more complex repairs may require professional assistance.

10. Will fixing OBDII code P1EFE improve the overall performance and reliability of my Saturn?

- Yes, resolving this code and ensuring proper function of the Battery Charger Reverse Polarity Protection Circuit will help maintain the vehicle's electrical system integrity and overall performance.