AutoCodesGeneric – P1B98

P1B98 Code - Hybrid/Electric Vehicle Battery 60 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
P1B98 indicates Hybrid/Electric Vehicle Battery 60 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 1,788
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 12, 2020
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Code P1B98 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 P1B98 - Hybrid/Electric Vehicle Battery 60 Circuit High Voltage - AutoCodes.com
P1B98 Code - Hybrid/Electric Vehicle Battery 60 Circuit High Voltage

What are the Possible Causes of the DTC P1B98?

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

How to Fix the DTC P1B98?

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 P1B98 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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Information for Specific Makes

  • P1B98 Buick — Hybrid/Electric Vehicle Battery 60 Circuit High Voltage
  • P1B98 Cadillac — Hybrid/Electric Vehicle Battery 60 Circuit High Voltage
  • P1B98 Chevrolet — Hybrid/Electric Vehicle Battery 60 Circuit High Voltage
  • P1B98 GMC — Hybrid/Electric Vehicle Battery 60 Circuit High Voltage
  • P1B98 Saturn — Hybrid/Electric Vehicle Battery 60 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 P1B98 Code

1. What does the OBDII code P1B98 mean?

P1B98 indicates a high voltage issue in the Hybrid/Electric Vehicle Battery 60 Circuit, often related to a specific cell or circuit within the battery pack.

2. What are the common symptoms of a P1B98 code?

Symptoms include reduced hybrid or EV performance, warning lights on the dashboard, limited battery charging, or the vehicle entering limp mode.

3. What causes the P1B98 code to appear?

The code can be triggered by a faulty battery cell, damaged wiring, poor electrical connections, or a malfunctioning battery management system.

4. Can I drive my vehicle with a P1B98 code?

It’s not advisable, as driving with this code can lead to further damage to the hybrid or EV battery system and reduced performance.

5. How is the P1B98 code diagnosed?

A technician will use a scan tool to confirm the code, inspect the battery pack and wiring, and test the affected circuit for voltage irregularities.

6. What are the repair options for a P1B98 code?

Repairs may include replacing a damaged battery cell, repairing or replacing faulty wiring, or recalibrating the battery management system.

7. Will clearing the P1B98 code fix the issue?

Simply clearing the code won’t fix the underlying problem. The root cause must be identified and repaired to prevent the code from returning.

8. How much does it cost to repair a P1B98 code?

Costs can vary widely, from a few hundred dollars for wiring repairs to several thousand if the battery pack needs replacement.

9. Can a P1B98 code be caused by environmental factors?

Yes, extreme temperatures or excessive moisture can damage wiring or connectors, potentially triggering this code.

10. Do I need to replace the entire battery pack for a P1B98 code?

Not necessarily. If the issue is isolated to a single cell or wiring, targeted repairs may resolve the problem without replacing the entire pack.

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