“Service AdvanceTrac” and “Hill Descent Fault”

[AllBoostNoEco]

Have you tried using FORScan to check the codes in the modules? The first time I used it on my truck, I discovered a few codes for systems that had never even produced a trouble light.

 

[Erzebet]

I have not. The only issue I've had was shudder on acceleration with the wheel turned (2hi). Now I have some whining from the front in 4a with a clunk bang type of grab on accel (then whine goes away). No warning lights here. It does sound like it should be covered in the powertrain warranty. I have to fight my local dealer & report them to factory for my warranty stuff

Have you determined what the shudder in the wheel was on acceleration with the wheel turned (2hi)?

 

[Munkiebunz3]

No. The dealership said it was a transfer case replacement but I didn't see the appropriate evidence to support that. It was fixed somehow.