AutoCodes – GMC – P0B97 GMC

P0B97 GMC Code - Hybrid/Electric Vehicle Battery 19 Circuit Low 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: P0B97 GMC indicates Hybrid/Electric Vehicle Battery 19 Circuit Low 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 875

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 08, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0B97 GMC 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 P0B97 GMC - Hybrid/Electric Vehicle Battery 19 Circuit Low Voltage - AutoCodes.com — P0B97 GMC Code - Hybrid/Electric Vehicle Battery 19 Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P0B97 GMC?

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

How to Fix the DTC P0B97 GMC?

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 P0B97 GMC 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 P0B97 GMC Code

1. What are the common symptoms of OBDII code P0B97 GMC (Hybrid/Electric Vehicle Battery 19 Circuit Low Voltage)?

- Common symptoms include reduced fuel efficiency, difficulty starting the vehicle, and the illumination of the check engine light.

2. What are some possible causes of OBDII code P0B97 GMC?

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

3. How can I diagnose the root cause of OBDII code P0B97 GMC?

- Diagnosis typically involves using a diagnostic scanner to read the code and checking the hybrid/electric vehicle battery and related components for any visible signs of damage or wear.

4. Can I still drive my vehicle with OBDII code P0B97 GMC active?

- It is not recommended to drive the vehicle with this code active, as it can lead to further damage to the hybrid/electric vehicle system and potentially cause safety issues.

5. What are some repair tips for fixing OBDII code P0B97 GMC?

- Repair tips may include checking and replacing any damaged wiring, testing and potentially replacing the hybrid/electric vehicle battery, and ensuring proper connections in the circuit.

6. Is it possible to reset OBDII code P0B97 GMC without fixing the underlying issue?

- While you can clear the code using a diagnostic scanner, it is crucial to address the root cause to prevent the code from reoccurring and potentially causing more significant problems.

7. How much does it typically cost to repair OBDII code P0B97 GMC?

- The cost of repair can vary depending on the extent of the issue, but it may involve expenses for diagnostic testing, parts replacement, and labor, which can range from a few hundred to a few thousand dollars.

8. Are there any DIY fixes for OBDII code P0B97 GMC?

- DIY fixes may be limited for this code due to the complexity of the hybrid/electric vehicle system. It is recommended to consult a professional mechanic or dealership for proper diagnosis and repair.

9. What are the long-term effects of ignoring OBDII code P0B97 GMC?

- Ignoring this code can lead to further deterioration of the hybrid/electric vehicle system, potential safety hazards, and increased repair costs if not addressed promptly.

10. Can a regular mechanic repair OBDII code P0B97 GMC, or do I need to visit a dealership?

- While a regular mechanic may be able to diagnose and repair this code, visiting a dealership or a specialized hybrid/electric vehicle technician can ensure accurate diagnosis and proper repair of the issue.