AutoCodes – Chevrolet – P1B58 Chevrolet

P1B58 Chevrolet Code - Hybrid/Electric Vehicle Battery 39 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: P1B58 Chevrolet indicates Hybrid/Electric Vehicle Battery 39 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 792

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 P1B58 Chevrolet 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 P1B58 Chevrolet - Hybrid/Electric Vehicle Battery 39 Circuit Low Voltage - AutoCodes.com — P1B58 Chevrolet Code - Hybrid/Electric Vehicle Battery 39 Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P1B58 Chevrolet?

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

How to Fix the DTC P1B58 Chevrolet?

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 P1B58 Chevrolet 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 P1B58 Chevrolet Code

1. What does the OBDII code P1B58 mean on a Chevrolet?

The code P1B58 indicates a low voltage issue in the Hybrid/Electric Vehicle Battery 39 Circuit, which is part of the battery pack monitoring system.

2. What are the symptoms of code P1B58 in a Chevrolet?

Common symptoms include a check engine light, reduced hybrid/electric vehicle performance, limited power mode, or warnings related to the battery system.

3. What causes the P1B58 code in Chevrolet vehicles?

Potential causes include a faulty battery cell or module, damaged wiring or connectors in the battery circuit, a malfunctioning battery management system, or corrosion in the connections.

4. Can I drive my Chevrolet with the P1B58 code?

While you may be able to drive the vehicle short distances, itâ€™s not recommended as it could lead to further damage or reduced hybrid/electric performance.

5. How is the P1B58 code diagnosed?

A technician will use a diagnostic scanner to identify the code, inspect the battery circuit wiring and connectors, and test the battery modules and management system for faults.

6. What repairs are required for the P1B58 code?

Repairs may include replacing a defective battery module, repairing or replacing damaged wiring or connectors, or addressing issues in the battery management system.

7. How much does it cost to fix the P1B58 code on a Chevrolet?

Repair costs vary but can range from a few hundred dollars for wiring repairs to several thousand dollars if a battery module or pack replacement is needed.

8. Can a P1B58 code be triggered by software issues?

Yes, in some cases, outdated or corrupted software in the battery management system can cause this code and may require a software update.

9. How can I prevent the P1B58 code from reoccurring?

Regular maintenance of your vehicleâ€™s hybrid/electric system, including checking for corrosion and ensuring proper battery cooling, can help prevent this issue.

10. Does the P1B58 code mean the entire battery pack needs replacement?

Not necessarily. The issue could be isolated to a single battery module, wiring, or a specific circuit, so a full battery pack replacement may not be required.