OBD Guide

U0347

Software Incompatibility With Hybrid/EV Battery Interface Control Module N

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
~$167 (est.)

Symptoms

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

Causes

  • Outdated ECU software
  • Errors in the firmware of the battery management module
  • Data corruption in the control module
  • Software update problems
  • Incompatibility after module replacement

How to Fix

  1. Check whether the ECU software is up to date
  2. Update Battery Management Module Software
  3. Check data integrity in the module
  4. Perform system calibration after update
  5. Repair only from an authorized dealer

Related codes

Error U0347 by Vehicle Brand