P1E94 Buick 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 Buick 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.
Code P1E94 Buick Description
What are the Possible Causes of the DTC P1E94 Buick?
- 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 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 P1E94 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.
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Frequently Asked Questions about P1E94 Buick Code
1. What does the OBDII code P1E94 mean for a Buick?
P1E94 indicates a performance issue with the Hybrid/EV Battery Interface Control Module 2, meaning it’s not functioning as expected in managing battery operations.
2. What are the common symptoms of code P1E94 in a Buick?
Symptoms may include reduced fuel efficiency, limited EV mode functionality, a hybrid system warning light, or the vehicle entering limp mode.
3. What causes the P1E94 code to trigger?
Common causes include faulty wiring or connectors, a malfunctioning Hybrid/EV Battery Interface Control Module 2, software glitches, or issues within the vehicle’s high-voltage battery system.
4. Can I drive my Buick with a P1E94 code?
While the vehicle may still be drivable, it’s not recommended as it could lead to further damage to the hybrid or EV system. Immediate diagnosis is advised.
5. How is the P1E94 code diagnosed?
A technician will use a scan tool to confirm the code, inspect wiring and connectors, test the control module, and check for additional related trouble codes.
6. What repairs are needed to fix the P1E94 code?
Repairs may include replacing the Hybrid/EV Battery Interface Control Module 2, fixing damaged wiring or connectors, or updating the vehicle’s software.
7. How much does it cost to fix a P1E94 code on a Buick?
Repair costs vary but can range from $200 to $1,500 depending on whether the issue is wiring-related or requires module replacement.
8. Can a P1E94 code be caused by a dead 12V battery?
While unlikely, a weak or dead 12V battery can sometimes trigger hybrid system faults, so it’s worth testing the 12V system as part of the diagnosis.
9. Does a P1E94 code always mean the battery needs replacement?
No, this code typically points to a performance issue with the control module rather than the battery itself, though the battery should still be inspected.
10. Can software updates resolve a P1E94 code?
Yes, in some cases, a software update for the hybrid control system may resolve the issue without the need for hardware replacement.
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