AutoCodes – Buick – P1E9A Buick

P1E9A Buick Code - Hybrid/EV Battery Interface Control Module 3 Performance

Quick Answer

The hybrid battery interface control module 3 will diagnose its own systems and determine when a fault condition is present. Common causes include Faulty Hybrid/EV Battery Interface Control Module 3, Hybrid/EV Battery Interface Control Module 3 harness is open or shorted, Hybrid/EV Battery Interface Control Module 3 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
P1E9A Buick indicates Hybrid/EV Battery Interface Control Module 3 Performance.
Common causes
Common causes include Faulty Hybrid/EV Battery Interface Control Module 3, Hybrid/EV Battery Interface Control Module 3 harness is open or shorted, Hybrid/EV Battery Interface Control Module 3 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 745
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 24, 2020
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Code P1E9A Buick Description

The hybrid battery interface control module 3 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 3. This fault is internal to the hybrid battery interface control module 3 and no external circuits are involved.
OBDII Code P1E9A Buick - Hybrid/EV Battery Interface Control Module 3 Performance - AutoCodes.com
P1E9A Buick Code - Hybrid/EV Battery Interface Control Module 3 Performance

What are the Possible Causes of the DTC P1E9A Buick?

  • Faulty Hybrid/EV Battery Interface Control Module 3
  • Hybrid/EV Battery Interface Control Module 3 harness is open or shorted
  • Hybrid/EV Battery Interface Control Module 3 circuit poor electrical connection

How to Fix the DTC P1E9A Buick?

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 P1E9A Buick 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 P1E9A Buick code?

Need more information on how to fix the P1E9A Buick code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1E9A Buick code diagnosed by a professional: Find a repair shop in your area

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 P1E9A Buick Code

1. What are the common symptoms of OBDII code P1E9A in a Buick Hybrid/EV vehicle?

- Common symptoms include decreased hybrid system performance, reduced fuel efficiency, and potential issues with battery charging.

2. What can cause the Hybrid/EV Battery Interface Control Module 3 Performance code (P1E9A) in a Buick Hybrid/EV vehicle?

- The code P1E9A can be triggered by a faulty Hybrid/EV Battery Interface Control Module, issues with the battery interface connections, or software malfunction.

3. How can I diagnose the cause of OBDII code P1E9A in my Buick Hybrid/EV vehicle?

- To diagnose the issue, it is recommended to perform a thorough inspection of the battery interface connections, test the Hybrid/EV Battery Interface Control Module, and check for any software updates or reprogramming.

4. Can I continue driving my Buick with the P1E9A code present?

- It is not recommended to continue driving the vehicle with the P1E9A code present, as it can lead to further damage to the hybrid system components.

5. What are the repair options for fixing the Hybrid/EV Battery Interface Control Module 3 Performance code in a Buick Hybrid/EV vehicle?

- Repair options may include replacing the Hybrid/EV Battery Interface Control Module, repairing any faulty connections, and performing software updates or reprogramming as needed.

6. How much does it typically cost to repair the P1E9A code in a Buick Hybrid/EV vehicle?

- The cost of repairs for the P1E9A code can vary depending on the specific issue, but it is recommended to consult with a certified mechanic or dealership for an accurate estimate.

7. Can a DIY enthusiast fix the P1E9A code in a Buick Hybrid/EV vehicle?

- While some basic inspections and checks can be done by DIY enthusiasts, repairing the P1E9A code usually requires specialized tools and expertise, so it is best to seek professional help.

8. Is the Hybrid/EV Battery Interface Control Module covered under warranty for Buick vehicles?

- Warranty coverage for the Hybrid/EV Battery Interface Control Module may vary depending on the vehicle's age, mileage, and specific warranty terms, so it is advisable to check with the manufacturer or dealership.

9. Are there any preventive maintenance tips to avoid encountering the P1E9A code in a Buick Hybrid/EV vehicle?

- Regularly servicing the hybrid system, keeping the battery connections clean and secure, and following the manufacturer's recommended maintenance schedule can help prevent issues leading to the P1E9A code.

10. How long does it typically take to repair the P1E9A code in a Buick Hybrid/EV vehicle?

- The repair time for the P1E9A code can vary depending on the specific issue and the availability of parts, but it is recommended to consult with a professional mechanic for a more accurate timeframe.

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