AutoCodes – Saturn – P1E91 Saturn

P1E91 Saturn Code - Hybrid/EV Battery Interface Control Module 1 Long Term Memory Performance

Quick Answer

The hybrid battery interface control module 1 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: P1E91 Saturn indicates Hybrid/EV Battery Interface Control Module 1 Long Term Memory 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 846

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1E91 Saturn Description

The hybrid battery interface control module 1 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 1. This fault is internal to the hybrid battery interface control module 1 and no external circuits are involved.

OBDII Code P1E91 Saturn - Hybrid/EV Battery Interface Control Module 1 Long Term Memory Performance - AutoCodes.com — P1E91 Saturn Code - Hybrid/EV Battery Interface Control Module 1 Long Term Memory Performance

What does this mean?

What are the Possible Causes of the DTC P1E91 Saturn?

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 P1E91 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 P1E91 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.

Need more information about the P1E91 Saturn code?

Need more information on how to fix the P1E91 Saturn code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1E91 Saturn 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 P1E91 Saturn Code

1. What are common symptoms of OBDII code P1E91 in a Saturn hybrid/EV?

- Common symptoms include reduced hybrid/EV performance, decreased fuel efficiency, and potential warning lights on the dashboard.

2. What can cause OBDII code P1E91 to appear in a Saturn hybrid/EV?

- The code P1E91 typically indicates issues with the Hybrid/EV Battery Interface Control Module 1 long term memory performance, which can be caused by battery system malfunctions or communication errors.

3. How can I diagnose the source of OBDII code P1E91 in my Saturn hybrid/EV?

- Diagnosis involves using a diagnostic scanner to retrieve the specific trouble codes, checking the hybrid/EV battery system for faults, and inspecting the communication between control modules.

4. What are the potential repair options for OBDII code P1E91 in a Saturn hybrid/EV?

- Repair options may include resetting the control module, repairing wiring or connections, recalibrating the battery system, or replacing faulty components as needed.

5. Can I drive my Saturn hybrid/EV with OBDII code P1E91 present?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage to the hybrid/EV system and potentially compromise safety.

6. How can I prevent OBDII code P1E91 from reoccurring in my Saturn hybrid/EV?

- Regular maintenance of the hybrid/EV system, including checking battery health and ensuring proper connections, can help prevent the code from reoccurring.

7. Is it safe to attempt DIY repairs for OBDII code P1E91 in a Saturn hybrid/EV?

- DIY repairs may be possible for simple tasks like checking connections or resetting the control module, but complex repairs should be done by a qualified technician familiar with hybrid/EV systems.

8. Are there any recalls or technical service bulletins related to OBDII code P1E91 in Saturn hybrids/EVs?

- It is advisable to check with Saturn dealerships or online resources for any recalls or technical service bulletins related to this specific OBDII code for your vehicle.

9. Can a low or failing hybrid/EV battery trigger OBDII code P1E91 in a Saturn?

- Yes, a low or failing hybrid/EV battery can trigger code P1E91 due to its impact on the long term memory performance of the Hybrid/EV Battery Interface Control Module 1.

10. How long does it typically take to repair OBDII code P1E91 in a Saturn hybrid/EV?

- The repair time for OBDII code P1E91 can vary depending on the exact cause of the issue, but it may take a few hours to a full day for diagnosis and repair.