U04A6

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

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–556 (est.)

Symptoms

Check Engine light comes on
Reduced vehicle power
Problems with charging a high-voltage battery
The car goes into emergency mode
Error message on the dashboard

Causes

Battery management module software problems
Damage to high voltage system wiring
Battery management module malfunction
Problems with the CAN bus
Contact corrosion in a high voltage system

How to Fix

Carry out CAN bus diagnostics
Check the integrity of high-voltage wiring
Update Battery Management Module Software
Check and clean the contacts of the high-voltage system
Repair only from an authorized dealer

Related codes

U04A5 U04A7 U04A8