OBD Guide
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P1E92

Hybrid/EV Battery Interface Control Module 1 Cell Balancing Circuit

P1E92 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 1 Cell Balancing Circuit. Common causes: cell balancing module malfunction, damage to wiring or connectors. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Reduced performance of the hybrid system
  • Extending battery charging time
  • Battery warnings appear
  • Reduced motor power
  • Reducing electric range

Causes

  • Cell balancing module malfunction
  • Damage to wiring or connectors
  • Failure of individual battery cells
  • Problems with the control module software
  • Corrosion of contacts in the balancing circuit

How to Fix

  1. Checking the condition of wiring and connectors
  2. Balancing module diagnostics
  3. Control Module Software Update
  4. Replacing faulty battery cells
  5. Replacing the balancing module if necessary

Related codes

P1E90P1E91P1E93

FAQ

What does the P1E92 code mean?

P1E92 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 1 Cell Balancing Circuit

What causes a P1E92 error code?

The most common causes of P1E92 include: Cell balancing module malfunction; Damage to wiring or connectors; Failure of individual battery cells; Problems with the control module software.

How do I fix a P1E92 diagnostic trouble code?

To fix P1E92: Checking the condition of wiring and connectors. Balancing module diagnostics. Control Module Software Update. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1E92?

Limited driving only, diagnose soon

How much does it cost to fix P1E92?

The estimated repair cost for P1E92 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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