OBD Guide

U0341

Software Incompatibility With Hybrid/EV Battery Interface Control Module H

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

Symptoms

  • Check Engine light comes on
  • Reduced power or unstable operation of the hybrid system
  • Errors in the operation of the regenerative braking system
  • Inability to switch between driving modes
  • Error messages on the dashboard

Causes

  • Outdated ECU software
  • Data corruption in the battery management module
  • Software update problems
  • Incompatibility after replacing the control module
  • Errors in module programming

How to Fix

  1. Check for software updates at your authorized dealer
  2. Reflash the battery management module
  3. Update main ECU software
  4. Check data integrity in the control module
  5. Repair only from an authorized dealer

Related codes

Error U0341 by Vehicle Brand