AutoCodes – Generic – P1B80

P1B80 Code - Hybrid/Electric Vehicle Battery 52 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: P1B80 indicates Hybrid/Electric Vehicle Battery 52 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 1,428

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 12, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1B80 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 P1B80 - Hybrid/Electric Vehicle Battery 52 Circuit High Voltage - AutoCodes.com — P1B80 Code - Hybrid/Electric Vehicle Battery 52 Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P1B80?

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

How to Fix the DTC P1B80?

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 P1B80 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 P1B80 code?

Need more information on how to fix the P1B80 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1B80 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1B80 Buick — Hybrid/Electric Vehicle Battery 52 Circuit High Voltage
P1B80 Cadillac — Hybrid/Electric Vehicle Battery 52 Circuit High Voltage
P1B80 Chevrolet — Hybrid/Electric Vehicle Battery 52 Circuit High Voltage
P1B80 GMC — Hybrid/Electric Vehicle Battery 52 Circuit High Voltage
P1B80 Saturn — Hybrid/Electric Vehicle Battery 52 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 P1B80 Code

1. What does the OBDII code P1B80 mean?

P1B80 indicates a high voltage issue in the circuit related to Hybrid/Electric Vehicle Battery 52, typically caused by a fault in the battery module, wiring, or control system.

2. What are the common symptoms of code P1B80?

Symptoms may include reduced vehicle performance, limited EV mode availability, illuminated check engine light, and warning messages on the dashboard.

3. What causes the P1B80 code to appear?

The code can be triggered by a malfunctioning battery module, damaged wiring, poor electrical connections, or a fault in the battery management system.

4. Can I drive my car with a P1B80 code?

Driving with a P1B80 code is not recommended as it may lead to reduced power, further damage to the hybrid battery system, or potential safety risks.

5. How can I diagnose the P1B80 code?

Diagnose the code by using an OBDII scanner to retrieve freeze frame data, inspecting the high voltage battery circuit, and testing the wiring and connectors for continuity and damage.

6. How is the P1B80 code fixed?

Repairs may include replacing the faulty battery module, repairing damaged wiring, cleaning or securing electrical connections, or updating the battery management system software.

7. What tools are needed to fix the P1B80 code?

Youâ€™ll need an OBDII scanner, a multimeter for testing electrical components, and possibly manufacturer-specific diagnostic tools for hybrid/electric vehicles.

8. Can a low 12V battery cause the P1B80 code?

While a low 12V battery usually doesnâ€™t directly cause this code, it can lead to communication errors that may trigger related issues in the hybrid system.

9. What is the cost of repairing a P1B80 code?

The repair cost varies widely depending on whether the issue is a simple wiring fix or a hybrid battery module replacement, ranging from a few hundred to several thousand dollars.

10. Is the P1B80 code specific to certain vehicles?

Yes, this code is specific to hybrid and electric vehicles, with variations in its exact meaning depending on the manufacturer. Always consult your vehicleâ€™s service manual.