I have 1500 eco diesel 2015 90,000 miles the air suspension stops working on the highway at speeds like 77 truck rides bad warning light comes on then goes off problem still there. But its fine riding in the city feel every bump on highway keeps bouncing.
Im having problems with the air suspension on the highway. Took it to the dealer said i needed a up date got 290$ update still has not fixed the problem i only have 90,000 miles on the truck what could be the problem ?