What is this light and why is it on!!!!

Did you ever find out why the hsa light was on and get it fixed. And if so what was the problem mines doing the same thing.

 

Did you ever find out what the problem was. Because mine is doing the same thing.

 

The HSA on my Freightliner cascadia aoutomatic works fine....the only time I use the HSA override is this one dock where I have to back uphill . It’s greater than 3% so I need to deactivate the HSA or the truck jerks like crazy

 

I have the HSA OVRD light on on the dash, and the check engine light came on, trying to do my regen, but it wont let me