OBD Guide

P1E98

Hybrid/EV Battery Interface Control Module 2 Cell Balancing Circuit

P1E98 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 2 Cell Balancing Circuit. Common causes: balancing control module malfunction, damage to the wiring in the balancing circuit. Estimated repair cost: $167–556.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–556 (est.)

Symptoms

  • Reduced electric vehicle range
  • Extending battery charging time
  • Check Engine Light Illuminated
  • Hybrid system power reduction
  • Uneven battery discharge

Causes

  • Balancing control module malfunction
  • Damage to the wiring in the balancing circuit
  • Failure of battery elements
  • Problems with controller software
  • Corrosion of contacts in the balancing system

How to Fix

  1. Check the condition of the battery cells
  2. Test the balancing circuit for breaks
  3. Check control module connections
  4. Update controller software
  5. Replace the faulty balancing module

Related codes

FAQ

What does the P1E98 code mean?

P1E98 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 2 Cell Balancing Circuit

What causes a P1E98 error code?

The most common causes of P1E98 include: Balancing control module malfunction; Damage to the wiring in the balancing circuit; Failure of battery elements; Problems with controller software.

How do I fix a P1E98 diagnostic trouble code?

To fix P1E98: Check the condition of the battery cells. Test the balancing circuit for breaks. Check control module connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1E98?

Limited driving only, diagnose soon

How much does it cost to fix P1E98?

The estimated repair cost for P1E98 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat