P1E91 GMC 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 GMC 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.
Code P1E91 GMC Description
What are the Possible Causes of the DTC P1E91 GMC?
- 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 GMC?
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 GMC 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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Frequently Asked Questions about P1E91 GMC Code
1. What are common symptoms of OBDII code P1E91 in a GMC related to the Hybrid/EV Battery Interface Control Module 1 Long Term Memory Performance issue?
The common symptoms include poor fuel efficiency, reduced electric driving range, and potential failure to start the vehicle.
2. What are the possible causes of OBDII code P1E91 in a GMC Hybrid/EV system?
Potential causes of this code may include a faulty Hybrid/EV Battery Interface Control Module, software issues, wiring problems, or issues with the hybrid battery itself.
3. How can I diagnose the OBDII code P1E91 in my GMC related to the Hybrid/EV Battery Interface Control Module 1 Long Term Memory Performance?
Diagnosis usually involves using a professional OBDII scanner to read the code and further troubleshooting using manufacturer-specific diagnostic procedures.
4. Can I continue driving my GMC with the OBDII code P1E91 related to the Hybrid/EV Battery Interface Control Module issue?
It is not recommended to continue driving the vehicle with this code present, as it can lead to further damage to the hybrid system and potentially leave you stranded.
5. What are some repair tips for fixing the OBDII code P1E91 in a GMC Hybrid/EV system?
Repair tips may include checking and repairing any wiring issues, updating software if applicable, replacing the Hybrid/EV Battery Interface Control Module if necessary, and ensuring the hybrid battery is functioning correctly.
6. Is it possible to reset the OBDII code P1E91 in a GMC Hybrid/EV system without fixing the underlying issue?
Resetting the code without addressing the root cause may temporarily turn off the check engine light, but the issue will likely reoccur if not properly repaired.
7. How much does it typically cost to repair the OBDII code P1E91 related to the Hybrid/EV Battery Interface Control Module in a GMC?
Repair costs can vary depending on the specific cause of the issue, but it is advisable to consult a professional mechanic or dealership for an accurate diagnosis and cost estimate.
8. Are there any recalls or technical service bulletins related to the OBDII code P1E91 in GMC vehicles?
It is recommended to check with your local GMC dealership or visit the National Highway Traffic Safety Administration (NHTSA) website to see if there are any relevant recalls or bulletins for this specific code in your vehicle.
9. How can regular maintenance help prevent the occurrence of OBDII code P1E91 in a GMC Hybrid/EV system?
Regular maintenance, such as keeping the hybrid battery system well maintained and up to date with software updates, can help prevent issues that may trigger the P1E91 code.
10. Can I fix the OBDII code P1E91 related to the Hybrid/EV Battery Interface Control Module issue in my GMC at home, or do I need to take it to a professional mechanic?
While some simple checks like inspecting wiring connections can be done at home, diagnosing and repairing complex issues related to the Hybrid/EV system are best left to experienced professionals with the proper tools and knowledge.
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