OBD Guide

U02A0

Invalid Data Received From Hybrid/EV Battery Interface Control Module D

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

Symptoms

  • Check Engine light comes on
  • Reduced power or performance
  • Battery charging problems
  • Incorrect charge level display
  • The car goes into emergency mode

Causes

  • Battery management module malfunction
  • Damaged wiring harness or connectors
  • Module power problems
  • Software errors in the control system
  • Corrosion or poor contact in electrical connections

How to Fix

  1. Check connections and condition of wiring harness
  2. Check power supply to battery management module
  3. Scan the system for additional error codes
  4. Update or reflash module software
  5. If necessary, replace the battery management module
  6. Repair only from an authorized dealer

Related codes

Error U02A0 by Vehicle Brand