OBD Guide
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P1E94

Hybrid/EV Battery Interface Control Module 2 Performance

P1E94 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 2 Performance. Common causes: battery management module malfunction, problems with wiring or connectors. Estimated repair cost: $167–556.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$167–556 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced vehicle power
  • Switching to emergency mode
  • Battery charging problems
  • Unstable operation of the hybrid system

Causes

  • Battery management module malfunction
  • Problems with wiring or connectors
  • High voltage battery fault
  • Problems with the module software
  • Short circuit in control circuit

How to Fix

  1. Battery Management Module Diagnostics
  2. Checking the integrity of wiring and connectors
  3. High Voltage Battery Testing
  4. Module software update
  5. Replacing the control module if necessary

Related codes

P1E95P1E96P0A80

FAQ

What does the P1E94 code mean?

P1E94 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 2 Performance

What causes a P1E94 error code?

The most common causes of P1E94 include: Battery management module malfunction; Problems with wiring or connectors; High voltage battery fault; Problems with the module software.

How do I fix a P1E94 diagnostic trouble code?

To fix P1E94: Battery Management Module Diagnostics. Checking the integrity of wiring and connectors. High Voltage Battery Testing. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1E94?

Do not drive — repair immediately

How much does it cost to fix P1E94?

The estimated repair cost for P1E94 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat