AutoCodes – Buick – P1F63 Buick

P1F63 Buick Code - Hybrid/EV System Voltage Discharge Circuit Performance

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: P1F63 Buick indicates Hybrid/EV System Voltage Discharge Circuit Performance.
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.

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Code Popularity 797

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
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Code P1F63 Buick 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 P1F63 Buick - Hybrid/EV System Voltage Discharge Circuit Performance - AutoCodes.com — P1F63 Buick Code - Hybrid/EV System Voltage Discharge Circuit Performance

What does this mean?

What are the Possible Causes of the DTC P1F63 Buick?

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

How to Fix the DTC P1F63 Buick?

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 P1F63 Buick 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.

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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 P1F63 Buick Code

What does the OBDII code P1F63 mean on a Buick?

1. Code P1F63 indicates an issue with the Hybrid/EV System Voltage Discharge Circuit Performance, typically related to the system's ability to safely discharge high-voltage energy. 2.

What are the common symptoms of code P1F63 on a Buick?

Common symptoms include a check engine light, reduced hybrid/EV system performance, and possible safety warnings related to the high-voltage system. 3.

What causes the P1F63 code to trigger on a Buick?

Potential causes include a faulty voltage discharge circuit, damaged wiring or connectors, issues with the hybrid/EV battery, or a malfunctioning control module. 4.

Can I drive my Buick with the P1F63 code?

Driving with this code is not recommended, as it may indicate a safety risk involving the high-voltage system. Have the issue diagnosed and repaired promptly. 5.

How is the P1F63 code diagnosed on a Buick?

Technicians typically use a diagnostic scanner to retrieve the code, inspect the voltage discharge circuit, check for damaged wiring or connectors, and test the hybrid/EV battery. 6.

What repairs can fix the P1F63 code on a Buick?

Repairs may include replacing a faulty voltage discharge circuit, repairing damaged wiring, updating the control module software, or addressing hybrid/EV battery issues. 7.

How much does it cost to fix the P1F63 code on a Buick?

Repair costs vary but may range from $200 to $1,000 or more, depending on the nature of the problem and whether major components like the hybrid battery need replacement. 8.

Can a software update resolve the P1F63 code on a Buick?

In some cases, a software update for the hybrid/EV control module may resolve the issue if the problem is related to programming rather than hardware. 9.

Is the P1F63 code specific to Buick hybrid/EV models?

Yes, the P1F63 code is specific to vehicles with hybrid or electric systems and typically applies to Buick models with high-voltage systems. 10.

What preventative maintenance can help avoid the P1F63 code?

Regularly inspecting the high-voltage system, ensuring proper wiring connections, and keeping the hybrid/EV battery in good condition can help prevent this code.