Replace the hub bearings.
If they are vacuum operated then it could be the hubs.
It's for the locking hubs, enabling the switch to four wheel drive.
Using a service for Shimano hubs can help maintain the performance and longevity of the hubs. Regular servicing can prevent issues such as wear and tear, improve efficiency, and ensure smooth operation of the hubs.
Although you have a manual shift on the transfer case the hubs lock in on vacuum. Chances are you have bad vacuum lines going to the hubs (about $150+ at a Kia dealer or $40 at your local service station). If not the lines, it will be the seals in the hubs.
I have a 2000 venture and the traction control light came on. Where do I look first, hubs. Wiring.
The size of these hubs is 5 by 114.3
Engages automatic locking hubs on for wheels drives with automatic hubs.
sharonville, ohio
The auto hubs are vacuum engaged. Good luck. Worst case, it is a seal in the hubs, and big bucks. Or, it could be a hose behind the brakes. Might need a trimming.
Popular wireless hub bands would be Crazy Rock, Rock Hard, and PunkFast. These guys are great for wireless hubs and fun activities over the wireless hubs and service.
below the driver seat
What year? if it's a 99-2010 4by4 you can't service the front hubs you need to replace the entire unit as a whole. Sorry.