U04A5

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

Severity

🔴 High

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$167–889 (est.)

Symptoms

Check Engine light comes on
Reduced power or transition to emergency mode
Inability to charge high voltage battery
An error message appears on the display
Increased fuel consumption for hybrids

Causes

Problems with battery module wiring or connectors
Battery Interface Control Module Malfunction
Software errors in the control system
Damage to the high voltage battery
Problems with the hybrid system CAN bus

How to Fix

Check the integrity of the wiring and module connectors
Read complete error codes from all modules
Update module software
Check the condition of the high-voltage battery
Repair only from an authorized dealer

Related codes

U04A0 U04A1 U04A6