AutoCodes – Generic – P1F65

P1F65 Code - Hybrid/EV System Voltage Discharge Circuit High Voltage

Quick Answer

This is an internal fault detection of the power inverter module, often referred to as the drive motor generator power inverter module. Common causes include Faulty Power Inverter Module, Power Inverter Module harness is open or shorted, Power Inverter 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: P1F65 indicates Hybrid/EV System Voltage Discharge Circuit High Voltage.
Common causes: Common causes include Faulty Power Inverter Module, Power Inverter Module harness is open or shorted, Power Inverter 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 808

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 27, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1F65 Description

This is an internal fault detection of the power inverter module, often referred to as the drive motor generator power inverter module. This fault is handled inside the power inverter module, and no external circuits are involved.

OBDII Code P1F65 - Hybrid/EV System Voltage Discharge Circuit High Voltage - AutoCodes.com — P1F65 Code - Hybrid/EV System Voltage Discharge Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P1F65?

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

How to Fix the DTC P1F65?

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 P1F65 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 P1F65 code?

Need more information on how to fix the P1F65 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1F65 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1F65 Buick — Hybrid/EV System Voltage Discharge Circuit High Voltage
P1F65 Cadillac — Hybrid/EV System Voltage Discharge Circuit High Voltage
P1F65 Chevrolet — Hybrid/EV System Voltage Discharge Circuit High Voltage
P1F65 GMC — Hybrid/EV System Voltage Discharge Circuit High Voltage
P1F65 Saturn — Hybrid/EV System Voltage Discharge Circuit High Voltage

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 P1F65 Code

1. What does the OBDII code P1F65 mean?

P1F65 indicates a problem with the Hybrid/EV system's voltage discharge circuit, specifically that high voltage has been detected where it shouldn't be.

2. What are the common symptoms of a P1F65 code?

Symptoms may include an illuminated Check Engine Light, limited vehicle performance, failure to start, or warnings related to hybrid/EV systems.

3. What causes the P1F65 code to appear?

Common causes include a faulty voltage discharge module, damaged wiring or connectors in the high-voltage circuit, or a malfunctioning hybrid/EV battery management system.

4. Can I drive my vehicle with a P1F65 code?

It is not recommended, as the issue involves high voltage components that can pose safety hazards or damage other systems.

5. How is the P1F65 code diagnosed?

A technician will use a scan tool to verify the code, inspect the hybrid/EV voltage discharge circuit for faults, and test related components like the discharge module and wiring.

6. What repairs can fix the P1F65 code?

Repairs may include replacing the voltage discharge module, repairing damaged wiring or connectors, or addressing issues in the hybrid/EV battery system.

7. How much does it cost to fix a P1F65 code?

Repair costs depend on the specific issue but can range from $200 for minor wiring fixes to over $1,000 for component replacements.

8. Can a weak hybrid/EV battery cause the P1F65 code?

Yes, a failing or degraded hybrid/EV battery can potentially trigger voltage irregularities leading to this code.

9. Is the P1F65 code specific to a particular vehicle make or model?

While it is most commonly found in hybrid and electric vehicles, the specific details of the code may vary slightly by manufacturer.

10. How can I prevent the P1F65 code from occurring?

Regular maintenance of the hybrid/EV system, including inspections of the high-voltage components and ensuring proper battery health, can help prevent this issue.