Ducato 2021 with autobox roar/rumble

[RobbieH]

I have an Adria Twin 2021 160 bhp with the 9 speed autobox. It's done about 3,500 km on our first trip and I've noticed that at low speed/revs there is a low frequency rumble or muted roar. As soon as revs rise it disappears. Any other Ducato owners noticed similar?

 

[SpeedyDux]

I am no expert but that's not good. Early versions of that gearbox had issues so get it checked and if necessary replaced under warranty.