AutoCodes – Buick – P1E61 Buick

P1E61 Buick Code - Hybrid/Electric Vehicle Battery 54 Circuit

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: P1E61 Buick indicates Hybrid/Electric Vehicle Battery 54 Circuit.
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 713

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 P1E61 Buick 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 P1E61 Buick - Hybrid/Electric Vehicle Battery 54 Circuit - AutoCodes.com — P1E61 Buick Code - Hybrid/Electric Vehicle Battery 54 Circuit

What does this mean?

What are the Possible Causes of the DTC P1E61 Buick?

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

How to Fix the DTC P1E61 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 P1E61 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 P1E61 Buick Code

1. What are the common symptoms of OBDII code P1E61 in a Buick Hybrid/Electric Vehicle?

- Common symptoms include decreased fuel efficiency, engine hesitation, and in some cases, the vehicle may not start.

2. What does the OBDII code P1E61 in a Buick Hybrid/Electric Vehicle indicate?

- This code indicates an issue with Hybrid/Electric Vehicle Battery 54 Circuit, which may affect the vehicle's performance and efficiency.

3. What are the possible causes of OBDII code P1E61 in a Buick Hybrid/Electric Vehicle?

- The code P1E61 can be triggered by issues such as a faulty battery 54 circuit, damaged wiring, connector problems, or a malfunctioning battery control module.

4. How can I diagnose the OBDII code P1E61 in my Buick Hybrid/Electric Vehicle?

- Diagnosing code P1E61 may require using a diagnostic scanner to read the code and perform a thorough inspection of the battery 54 circuit, wiring connections, and battery control module.

5. What are the repair options for OBDII code P1E61 in a Buick Hybrid/Electric Vehicle?

- Repair options may include repairing or replacing damaged wiring, connectors, or components related to the battery 54 circuit, as well as resetting the fault code using a diagnostic scanner.

6. Can I continue driving my Buick Hybrid/Electric Vehicle with the OBDII code P1E61 present?

- It is not recommended to continue driving with the code P1E61 present, as it can lead to further damage to the vehicle's hybrid/electric system and potentially cause more severe issues.

7. How much does it typically cost to repair OBDII code P1E61 in a Buick Hybrid/Electric Vehicle?

- The cost of repairing code P1E61 can vary depending on the specific cause of the issue, but it may range from a few hundred to a few thousand dollars, including parts and labor.

8. Can I reset the OBDII code P1E61 in my Buick Hybrid/Electric Vehicle on my own?

- You can attempt to reset the code using a diagnostic scanner, but it is recommended to diagnose and repair the underlying issue causing the code to prevent it from reoccurring.

9. Are there any preventative maintenance measures to avoid OBDII code P1E61 in a Buick Hybrid/Electric Vehicle?

- Regularly inspecting the hybrid/electric system components, maintaining proper battery health, and addressing any warning signs promptly can help prevent issues leading to code P1E61.

10. How long does it typically take to repair OBDII code P1E61 in a Buick Hybrid/Electric Vehicle?

- The repair time for code P1E61 can vary based on the complexity of the issue and availability of parts, but it may take anywhere from a few hours to a full day for a professional technician to diagnose and repair the problem.