AutoCodes – Saturn – P0BB1 Saturn

P0BB1 Saturn Code - Hybrid/Electric Vehicle Battery 24 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: P0BB1 Saturn indicates Hybrid/Electric Vehicle Battery 24 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 858

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 P0BB1 Saturn 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 P0BB1 Saturn - Hybrid/Electric Vehicle Battery 24 Circuit High Voltage - AutoCodes.com — P0BB1 Saturn Code - Hybrid/Electric Vehicle Battery 24 Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P0BB1 Saturn?

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

How to Fix the DTC P0BB1 Saturn?

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 P0BB1 Saturn 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 P0BB1 Saturn Code

1. What are the common symptoms of OBDII code P0BB1 in a Saturn Hybrid/Electric Vehicle?

- Common symptoms include the illumination of the check engine light, reduced vehicle performance, and potential issues with the high voltage battery system.

2. What can cause the OBDII code P0BB1 to trigger in a Saturn Hybrid/Electric Vehicle?

- This code can be triggered by a malfunction in the 24 circuit high voltage system of the hybrid/electric vehicle battery, such as a short circuit or high resistance.

3. How serious is the OBDII code P0BB1 in a Saturn Hybrid/Electric Vehicle?

- This code indicates a problem with the high voltage system, which is a critical component in a hybrid/electric vehicle. It should be addressed promptly to prevent potential safety hazards.

4. What are some repair tips for addressing OBDII code P0BB1 in a Saturn Hybrid/Electric Vehicle?

- Repair tips may include checking for loose connections, inspecting the high voltage wiring for damage, testing the high voltage battery for faults, and resetting the code after the issue is resolved.

5. Can I continue driving my Saturn Hybrid/Electric Vehicle with the OBDII code P0BB1 present?

- It is not recommended to continue driving the vehicle with this code present, as it indicates a potential issue with the high voltage system that can affect the vehicle's performance and safety.

6. How can I diagnose the OBDII code P0BB1 in my Saturn Hybrid/Electric Vehicle?

- Diagnosis typically involves using a scan tool to retrieve the specific fault code, inspecting the high voltage wiring and connections, and testing the high voltage battery for any abnormalities.

7. Is it possible to reset the OBDII code P0BB1 in a Saturn Hybrid/Electric Vehicle without fixing the underlying issue?

- While you can reset the code using a scan tool, it is not recommended to do so without addressing the underlying issue, as it may lead to recurring problems and potential safety risks.

8. Are there any recalls or technical service bulletins related to OBDII code P0BB1 in Saturn Hybrid/Electric Vehicles?

- It is advisable to check with the manufacturer or authorized dealerships for any recalls or technical service bulletins related to this specific OBDII code to ensure proper diagnosis and repair.

9. How much does it typically cost to repair OBDII code P0BB1 in a Saturn Hybrid/Electric Vehicle?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve labor costs for diagnosis and repair, as well as potential costs for parts replacement or high voltage system maintenance.

10. Can a DIY enthusiast attempt to fix OBDII code P0BB1 in a Saturn Hybrid/Electric Vehicle?

- Due to the complexity and safety considerations involved in working with high voltage systems, it is recommended to seek professional assistance or specialized training when addressing this code in a hybrid/electric vehicle.