AutoCodes – Buick – P1FC1 Buick

P1FC1 Buick Code - Hybrid/EV Battery Interface Control Module 9 Performance

Quick Answer

The Hybrid/EV Battery Interface Control Module will diagnose its own systems and determine when a fault condition is present. Common causes include Faulty Hybrid/EV Battery Interface Control Module, Hybrid/EV Battery Interface Control Module harness is open or shorted, Hybrid/EV Battery Interface Control 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: P1FC1 Buick indicates Hybrid/EV Battery Interface Control Module 9 Performance.
Common causes: Common causes include Faulty Hybrid/EV Battery Interface Control Module, Hybrid/EV Battery Interface Control Module harness is open or shorted, Hybrid/EV Battery Interface Control 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 825

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 P1FC1 Buick Description

The Hybrid/EV Battery Interface Control Module will diagnose its own systems and determine when a fault condition is present. This diagnostic applies to internal microprocessor integrity conditions within the Hybrid/EV Battery Interface Control Module. This fault is internal to the Hybrid/EV Battery Interface Control Module and no external circuits are involved.

OBDII Code P1FC1 Buick - Hybrid/EV Battery Interface Control Module 9 Performance - AutoCodes.com — P1FC1 Buick Code - Hybrid/EV Battery Interface Control Module 9 Performance

What does this mean?

What are the Possible Causes of the DTC P1FC1 Buick?

Faulty Hybrid/EV Battery Interface Control Module
Hybrid/EV Battery Interface Control Module harness is open or shorted
Hybrid/EV Battery Interface Control Module circuit poor electrical connection

How to Fix the DTC P1FC1 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 P1FC1 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.

Need more information about the P1FC1 Buick code?

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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 P1FC1 Buick Code

What does the OBDII code P1FC1 mean on a Buick?

P1FC1 indicates a performance issue with the Hybrid/EV Battery Interface Control Module 9, which monitors and manages specific battery functions in hybrid or electric Buick vehicles.

What are the common symptoms of code P1FC1 in a Buick?

Symptoms may include reduced hybrid or EV performance, decreased fuel efficiency, illuminated check engine or hybrid warning lights, and in some cases, the vehicle may not start.

What causes the P1FC1 code to appear in a Buick?

Common causes include a malfunctioning Hybrid/EV Battery Interface Control Module, communication issues with other modules, damaged wiring or connectors, or internal battery pack problems.

Can I drive my Buick with the P1FC1 code active?

Driving with this code may cause reduced performance, and in some cases, further damage to the hybrid/EV system. It is recommended to have the issue diagnosed and repaired as soon as possible.

How is the P1FC1 code diagnosed in a Buick?

A technician will use a scan tool to read the code, inspect the Hybrid/EV Battery Interface Control Module and its connections, and check for related codes or issues with the battery system.

What repairs are typically needed for the P1FC1 code?

Repairs may include replacing the Hybrid/EV Battery Interface Control Module, repairing or replacing damaged wiring or connectors, or addressing issues within the battery pack.

Can a software update fix the P1FC1 code on a Buick?

In some cases, a software update for the vehicle's control modules may resolve communication issues or performance problems causing the code.

How much does it cost to fix the P1FC1 code on a Buick?

The cost varies depending on the specific issue but can range from $200 for wiring repairs to over $1,000 if the Hybrid/EV Battery Interface Control Module needs replacement.

What tools are needed to troubleshoot the P1FC1 code?

Diagnostic tools like an advanced OBDII scanner, a multimeter for testing electrical connections, and the vehicle's service manual are essential for accurate troubleshooting.

Is the P1FC1 code covered under warranty for my Buick?

If your vehicle is under the hybrid/EV system warranty, repairs related to the Hybrid/EV Battery Interface Control Module may be covered. Check with your dealership for details.