[SuperUser18]

Hello, i have check engine light and i wanna do something with is, so i check with ista errors in my ecu, and i found there:
138102 Exhaust flap, activation: short circuit to ground
so i've checked wires, fuses and it looks good, now i open this electrical exhaust flap and I thought it was broken small motor, but when i dissasembly it motor is working, someone know how can i check where is problem?

[SuperUser18]

Il checked every pin each other but there is no short circuit.
I think that i have to change it for new one, can somebody tell me that i have to code this change or no?