U04B0

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

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$167–556 (est.)

Symptoms

Check Engine light comes on
Hybrid system power reduction
Incorrect battery level display
Battery charging problems
The vehicle goes into emergency mode

Causes

Battery management module malfunction
Damage to the wiring harness between modules
Poor contact in connectors
Software error in battery module
Control module power problems

How to Fix

Check connections and integrity of wiring harness
Read error codes from battery module
Check the power and ground of the control module
Update battery module software
If necessary, replace the battery management module
Repair only from an authorized dealer

Related codes

U04A0 U04B1 U04B2