U031D

Software Incompatibility With Parking Assist Control Module A

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

~$56 (est.)

Symptoms

Disabling the parking assist system
Error message on the dashboard
Unstable parking sensor operation
No sound signals when parking

Causes

Incompatible software versions between modules
Incorrect software update
Replacing a module with an incompatible version
Problems with the communication bus between modules
Communication failure

How to Fix

Check software versions in both modules
Update software to compatible versions
Check the integrity of the wiring harness between the modules
Reset errors and calibrate the system
Contact your dealer to flash the modules

Related codes

U031E U031F U0320