AutoCodes – Chevrolet – P1BF3 Chevrolet

P1BF3 Chevrolet Code - Hybrid/Electric Vehicle Battery 91 Circuit Performance

Quick Answer

The Hybrid/Electric Vehicle battery pack contains 288 cells. Common causes include Faulty Hybrid/Electric Vehicle Battery Pack, Faulty Hybrid/Electric Vehicle Battery Interface Control Module. 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: P1BF3 Chevrolet indicates Hybrid/Electric Vehicle Battery 91 Circuit Performance.
Common causes: Common causes include Faulty Hybrid/Electric Vehicle Battery Pack, Faulty Hybrid/Electric Vehicle Battery Interface Control Module.
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 884

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 Mar 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1BF3 Chevrolet Description

The Hybrid/Electric Vehicle battery pack contains 288 cells. Groups of three cells are welded together in parallel. There are a total of 96 cell groups in the hybrid/EV battery pack assembly. These cell groups are electrically connected in-series. Each individual cell group is rated at 3.7 V, for a nominal system voltage of 355 V direct current. The battery cells are also grouped together into three sections. The first 90 cells/30 cell groups make up battery section one. This section is adjacent to the cowl and contains batteries 67 through to 96. Battery section two is located behind section one. It is made up of 72 cells/24 cell groups and contains batteries 43 through to 66. The transverse battery section is section number three, it is made up of the remaining 126 cells/42 cell groups and contains batteries 1 through to 42. The three battery sections are individually serviceable components.
The battery energy control module monitors the voltage of the 96 battery cell groups through the four hybrid/EV battery interface control modules. Voltage sense circuits are attached to each individual cell group, and these sense circuits terminate at a connector located on the top surface of the battery section. A serviceable auxiliary battery wiring harness joins this connector to a hybrid/EV battery interface control module, also located on the top surface of the battery section. The hybrid/EV battery interface control module encodes the voltage reading and transmits it to the battery energy control module through the battery control harness. There is one hybrid/EV battery interface control module located on battery sections one and two, and two hybrid/EV battery interface control modules associated with battery section three. The hybrid/EV battery interface control module, battery energy control module wiring harness, auxiliary battery wiring harness, and battery energy control module are all considered serviceable components.
The battery energy control module will determine when a fault condition is present. Diagnostics and system status are communicated from the battery energy control module to hybrid/EV powertrain control module 2 through serial data. The hybrid/EV powertrain control module 2 is the host controller for diagnostic trouble code information.

OBDII Code P1BF3 Chevrolet - Hybrid/Electric Vehicle Battery 91 Circuit Performance - AutoCodes.com — P1BF3 Chevrolet Code - Hybrid/Electric Vehicle Battery 91 Circuit Performance

What does this mean?

What are the Possible Causes of the DTC P1BF3 Chevrolet?

Faulty Hybrid/Electric Vehicle Battery Pack
Faulty Hybrid/Electric Vehicle Battery Interface Control Module

How to Fix the DTC P1BF3 Chevrolet?

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 P1BF3 Chevrolet 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 P1BF3 Chevrolet Code

1. What are common symptoms of OBDII code P1BF3 in a Chevrolet Hybrid/Electric Vehicle?

- Common symptoms include reduced hybrid battery performance, poor fuel economy, and potential issues with the vehicle's hybrid system.

2. What are possible causes of the P1BF3 code in a Chevrolet Hybrid/Electric Vehicle?

- Possible causes include a faulty hybrid/electric vehicle battery, issues with the battery management system, wiring problems, or a defective hybrid battery control module.

3. How can I diagnose the P1BF3 code in my Chevrolet Hybrid/Electric Vehicle?

- Diagnosis typically involves using an OBDII scanner to retrieve the code, inspecting the hybrid battery system components, checking for any visible damage or loose connections, and testing the hybrid battery's performance.

4. Can I drive my Chevrolet Hybrid/Electric Vehicle with the P1BF3 code present?

- It is not recommended to continue driving the vehicle with the P1BF3 code, as it can lead to further damage to the hybrid/electric vehicle battery and potentially affect the vehicle's overall performance.

5. What are some repair tips for fixing the P1BF3 code in a Chevrolet Hybrid/Electric Vehicle?

- Repair tips may include checking and repairing any damaged wiring, replacing the hybrid/electric vehicle battery if necessary, resetting the battery management system, and ensuring all connections are secure.

6. How much does it typically cost to repair the P1BF3 code in a Chevrolet Hybrid/Electric Vehicle?

- The cost of repair can vary depending on the specific issue causing the code, but it may range from a few hundred to a few thousand dollars, especially if the hybrid/electric vehicle battery needs to be replaced.

7. Can I reset the P1BF3 code in my Chevrolet Hybrid/Electric Vehicle on my own?

- While you can attempt to clear the code with an OBDII scanner, it is essential to diagnose and address the underlying issue causing the code to prevent it from reoccurring.

8. How often does the P1BF3 code occur in Chevrolet Hybrid/Electric Vehicles?

- The P1BF3 code related to Hybrid/Electric Vehicle Battery 91 Circuit Performance may occur sporadically in some Chevrolet hybrid/electric vehicles, especially as they age and the hybrid battery components wear out.

9. Is it safe to drive a Chevrolet Hybrid/Electric Vehicle if the P1BF3 code keeps coming back?

- It is not safe to continue driving the vehicle if the P1BF3 code keeps reoccurring, as it indicates a persistent issue with the hybrid/electric vehicle battery that requires attention from a qualified technician.

10. Are there any recalls or service bulletins related to the P1BF3 code in Chevrolet Hybrid/Electric Vehicles?

- It's recommended to check with Chevrolet dealerships or online resources for any recalls or service bulletins related to the P1BF3 code in specific Chevrolet Hybrid/Electric Vehicle models.