AutoCodes – Buick – P1FCE Buick

P1FCE Buick Code - Hybrid/EV Battery Interface Control Module 10 Cell Balancing Circuit

Quick Answer

To maintain a similar state of charge on the cell groups, the hybrid/EV powertrain control module 2 looks at the cell group voltages and determines which cell groups need energy removed in order to maintain the battery groups at a similar state of charge. 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: P1FCE Buick indicates Hybrid/EV Battery Interface Control Module 10 Cell Balancing Circuit.
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 P1FCE Buick Description

To maintain a similar state of charge on the cell groups, the hybrid/EV powertrain control module 2 looks at the cell group voltages and determines which cell groups need energy removed in order to maintain the battery groups at a similar state of charge. This is known as cell balancing. There is a transistor switched resistor wired in parallel with the cell group internal to the hybrid/EV battery interface control module portion of the battery energy control module. The hybrid/EV powertrain control module 2 sends a command to the hybrid/EV battery energy control module to begin cell balancing.

OBDII Code P1FCE Buick - Hybrid/EV Battery Interface Control Module 10 Cell Balancing Circuit - AutoCodes.com — P1FCE Buick Code - Hybrid/EV Battery Interface Control Module 10 Cell Balancing Circuit

What does this mean?

What are the Possible Causes of the DTC P1FCE 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 P1FCE 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 P1FCE 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 P1FCE Buick Code

1. What are common symptoms of the OBDII code P1FCE in a Buick Hybrid/EV Battery Interface Control Module 10 Cell Balancing Circuit?

Common symptoms include a Check Engine light, reduced hybrid system performance, and potential issues with the battery balancing system.

2. What are the possible causes of the P1FCE code in a Buick Hybrid/EV vehicle?

Potential causes include faulty 10 Cell Balancing Circuit components, wiring issues, software glitches, or problems with the hybrid/EV battery itself.

3. How can I diagnose the P1FCE code in my Buick Hybrid/EV vehicle?

Diagnosis typically involves using an OBDII scanner to retrieve the specific code, inspecting the 10 Cell Balancing Circuit components, checking for any visible wiring damage, and testing the battery balancing system.

4. Can I still drive my Buick with the P1FCE code present?

It is not recommended to drive the vehicle with the P1FCE code active, as it may lead to further damage to the hybrid/EV system. It's best to address the issue promptly.

5. What repairs are typically needed to fix the P1FCE code in a Buick Hybrid/EV vehicle?

Repairs may involve replacing faulty components in the 10 Cell Balancing Circuit, repairing damaged wiring, updating software, or addressing any issues with the hybrid/EV battery.

6. Are there any DIY tips for troubleshooting the P1FCE code in my Buick Hybrid/EV?

While basic checks like inspecting visible wiring and connectors can be done, diagnosing and repairing the P1FCE code often requires specialized knowledge and tools best handled by a professional.

7. How important is it to address the P1FCE code promptly in a Buick Hybrid/EV vehicle?

Prompt attention to the P1FCE code is crucial to prevent potential damage to the hybrid/EV system, ensure optimal performance, and maintain the overall safety of the vehicle.

8. Can the P1FCE code be a recurring issue in a Buick Hybrid/EV vehicle?

If the root cause of the P1FCE code is not adequately addressed during repairs, it is possible for the issue to recur. Thorough diagnosis and proper repairs can help prevent reoccurrences.

9. Is it recommended to reset the OBDII code P1FCE in a Buick Hybrid/EV vehicle after repairs?

Once the underlying issue causing the P1FCE code is fixed, it is advisable to clear the code using an OBDII scanner to reset the system and ensure proper operation.

10. How can regular maintenance help prevent the occurrence of the P1FCE code in a Buick Hybrid/EV vehicle?

Regular maintenance, including scheduled inspections of the hybrid/EV system, can help identify potential issues early, prevent component failures, and reduce the likelihood of triggering the P1FCE code.