AutoCodes – Generic – P1E94

P1E94 Code - Hybrid/EV Battery Interface Control Module 2 Performance

Quick Answer

The hybrid battery interface control module 2 will diagnose its own systems and determine when a fault condition is present. Common causes include Faulty Hybrid/EV Battery Interface Control Module, Hybrid/EV Battery Interface Control Module harness is open or shorted, Hybrid/EV Battery Interface Control Module circuit poor electrical connection. 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: P1E94 indicates Hybrid/EV Battery Interface Control Module 2 Performance.
Common causes: Common causes include Faulty Hybrid/EV Battery Interface Control Module, Hybrid/EV Battery Interface Control Module harness is open or shorted, Hybrid/EV Battery Interface Control Module circuit poor electrical connection.
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 919

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 Apr 24, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1E94 Description

The hybrid battery interface control module 2 will diagnose its own systems and determine when a fault condition is present. This diagnostic applies to internal microprocessor integrity conditions within the hybrid battery interface control module 2. This fault is internal to the hybrid battery interface control module 2 and no external circuits are involved.

OBDII Code P1E94 - Hybrid/EV Battery Interface Control Module 2 Performance - AutoCodes.com — P1E94 Code - Hybrid/EV Battery Interface Control Module 2 Performance

What does this mean?

What are the Possible Causes of the DTC P1E94?

Faulty Hybrid/EV Battery Interface Control Module
Hybrid/EV Battery Interface Control Module harness is open or shorted
Hybrid/EV Battery Interface Control Module circuit poor electrical connection

How to Fix the DTC P1E94?

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 P1E94 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 P1E94 code?

Need more information on how to fix the P1E94 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1E94 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1E94 Buick — Hybrid/EV Battery Interface Control Module 2 Performance
P1E94 Cadillac — Hybrid/EV Battery Interface Control Module 2 Performance
P1E94 Chevrolet — Hybrid/EV Battery Interface Control Module 2 Performance
P1E94 GMC — Hybrid/EV Battery Interface Control Module 2 Performance
P1E94 Saturn — Hybrid/EV Battery Interface Control Module 2 Performance

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 P1E94 Code

1. What does the OBDII code P1E94 mean?

P1E94 indicates a performance issue with Hybrid/EV Battery Interface Control Module 2, which monitors and manages the hybrid or EV battery system.

2. What are the common symptoms of the P1E94 code?

Common symptoms include reduced hybrid/EV performance, warning lights on the dashboard, decreased battery efficiency, or the vehicle entering limp mode.

3. What causes the P1E94 code to appear?

Causes may include a faulty Battery Interface Control Module 2, wiring or connector issues, software glitches, or internal battery system problems.

4. Can I drive my vehicle with the P1E94 code?

It is not recommended to drive with this code because it may lead to further damage to the hybrid/EV battery system or reduced vehicle performance.

5. How is the P1E94 code diagnosed?

Diagnosis involves using a scan tool to read the code, inspecting the battery control module and related wiring, and testing the module for proper functionality.

6. What repairs are needed to fix the P1E94 code?

Repairs may include replacing the Battery Interface Control Module 2, repairing damaged wiring or connectors, or updating the vehicleâ€™s software.

7. How much does it cost to fix the P1E94 code?

Repair costs vary but can range from $200 to $1,000, depending on whether the issue is with the module, wiring, or software.

8. Can a software update resolve the P1E94 code?

In some cases, a software update to the vehicleâ€™s control systems can resolve the issue if it is caused by a programming error.

9. What tools are required to troubleshoot the P1E94 code?

A professional OBDII scan tool with hybrid/EV diagnostic capabilities and a multimeter for checking electrical connections are commonly used.

10. Is the P1E94 code specific to certain vehicles?

Yes, this code typically appears on hybrid or electric vehicles equipped with a Battery Interface Control Module 2, and its specifics may vary by manufacturer.