U0412

Invalid Data Received From Battery Energy Control Module A

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine Light Is On
Battery charging problems
Unstable operation of electrical systems
Reduced vehicle performance
Errors in the operation of the on-board computer

Causes

Battery management module malfunction
Damaged wiring harness or connectors
Grounding problems
Software error in the module
Short circuit in the circuit

How to Fix

Check the condition of the wiring harness and connectors
Check module grounding
Read error codes using an OBD-II scanner
Flash or replace the control module
Check the condition of the battery and generator

Related codes

U0411 U0413 U0401