U034E

Software Incompatibility With Active Grille Air Shutter 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
Incorrect operation of the active radiator grille
Deterioration of aerodynamic characteristics
Increased fuel consumption
Possible errors in related systems

Causes

Outdated ECU software
Error in active grid module firmware
Software update problems
Incompatibility after module replacement
Damage to module wiring harness

How to Fix

Check whether the ECU software is up to date
Update active grid module software
Check the integrity of the wiring harness
Perform Active Array Module Diagnostics
If necessary, replace the active grille module

Related codes

U034F U0350 U0351