P1E99
Hybrid/EV Battery Interface Control Module 2 5 V Reference Circuit
P1E99 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 2 5 V Reference Circuit. Common causes: open or short circuit in 2.5v circuit, battery interface module malfunction. Estimated repair cost: $50–944.
Symptoms
- Check Engine Light Is On
- Hybrid system power reduction
- Inability to switch to electric mode
- Battery status error display
- Reduced performance of the hybrid system
Causes
- Open or short circuit in 2.5V circuit
- Battery interface module malfunction
- Problems with module wiring harness
- Corrosion of electrical contacts
- Damage to the high voltage battery
How to Fix
- Check continuity of 2.5V circuit
- Inspect the condition of connectors and wires
- Check the voltage on the corresponding contacts
- Scan Battery Interface Module
- Replace the Battery Interface Module if necessary
- Repair only from an authorized dealer
Related codes
FAQ
What does the P1E99 code mean?
P1E99 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 2 5 V Reference Circuit
What causes a P1E99 error code?
The most common causes of P1E99 include: Open or short circuit in 2.5V circuit; Battery interface module malfunction; Problems with module wiring harness; Corrosion of electrical contacts.
How do I fix a P1E99 diagnostic trouble code?
To fix P1E99: Check continuity of 2.5V circuit. Inspect the condition of connectors and wires. Check the voltage on the corresponding contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1E99?
Limited driving only, diagnose soon
How much does it cost to fix P1E99?
The estimated repair cost for P1E99 is $50–944. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat