U04AE

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

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$167–889 (est.)

Symptoms

Check Engine light comes on
Reduced vehicle power
Switching to emergency mode
Battery charging problems
Error message on display

Causes

Battery management module malfunction
Problems with the CAN bus
Wiring harness damage
Poor contact in connectors
Module software error

How to Fix

CAN bus diagnostics
Checking wiring integrity
Inspection of connectors and contacts
Reflashing the control module
Replace the battery management module if necessary
Repair only from an authorized dealer

Related codes

U04AF U04AD U0100