AutoCodes – Generic – P1BE6

P1BE6 Code - Hybrid/Electric Vehicle Battery 86 Circuit High Voltage

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: P1BE6 indicates Hybrid/Electric Vehicle Battery 86 Circuit High Voltage.
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 788

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 P1BE6 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 P1BE6 - Hybrid/Electric Vehicle Battery 86 Circuit High Voltage - AutoCodes.com — P1BE6 Code - Hybrid/Electric Vehicle Battery 86 Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P1BE6?

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

How to Fix the DTC P1BE6?

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 P1BE6 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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Need Help with the Code?

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Information for Specific Makes

P1BE6 Buick — Hybrid/Electric Vehicle Battery 86 Circuit High Voltage
P1BE6 Cadillac — Hybrid/Electric Vehicle Battery 86 Circuit High Voltage
P1BE6 Chevrolet — Hybrid/Electric Vehicle Battery 86 Circuit High Voltage
P1BE6 GMC — Hybrid/Electric Vehicle Battery 86 Circuit High Voltage
P1BE6 Saturn — Hybrid/Electric Vehicle Battery 86 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 P1BE6 Code

1. What does the OBDII code P1BE6 mean?

P1BE6 indicates that the Hybrid/Electric Vehicle Battery 86 Circuit is experiencing a high voltage condition, often related to a fault in the battery or its associated circuitry.

2. What are the common symptoms of the P1BE6 code?

Symptoms may include the hybrid system warning light, reduced fuel efficiency, limited electric mode functionality, or a complete failure of the hybrid system.

3. What causes the P1BE6 code to appear?

Common causes include a malfunctioning battery module, damaged wiring or connectors, a faulty voltage sensor, or issues with the hybrid powertrain control module.

4. Can I drive my car with the P1BE6 code?

It is not recommended to drive the vehicle with this code as it could lead to further damage to the hybrid battery system and reduced vehicle performance.

5. How is the P1BE6 code diagnosed?

A technician will use a scan tool to verify the code, inspect the battery and related circuits, check for damaged wiring or connectors, and test the voltage levels in the affected circuit.

6. What repairs can fix the P1BE6 code?

Repairs may include replacing a faulty battery module, repairing or replacing damaged wiring, replacing a defective voltage sensor, or reprogramming/updating the hybrid control module.

7. Are there any temporary fixes for the P1BE6 code?

There are no reliable temporary fixes for this code. Proper diagnosis and repair of the hybrid battery system are necessary to resolve the issue.

8. Could a weak 12V battery cause the P1BE6 code?

While a weak 12V battery can cause electrical issues, the P1BE6 code specifically points to high voltage in the hybrid battery circuit and is likely unrelated to the 12V battery.

9. How much does it cost to fix the P1BE6 code?

The repair cost can vary widely depending on the issue. Replacing damaged wiring may cost less, but replacing a battery module or other components can be expensive, potentially ranging from $500 to $5,000 or more.

10. Can the P1BE6 code reoccur after repairs?

Yes, the code can reoccur if the root cause is not properly addressed or if there are other undiagnosed issues with the hybrid battery system. Regular maintenance and thorough diagnostics can help prevent recurrence.