Kia stinger code p0698

[Kiastinger408]

I was driving down the highway and noticing my shifts a little wierd I recently bought this car less then a week ago it’s a used stinger I think the old owner tuned it or something cause when I was driving all my dash lights came on and my car went into limp mode I pulled over turned my car off and turned it back on all the light were off on the dash expect the check engine light I got it towed back to my house and started it up the next morning and it was during fine and the check engine light went away anybody else experienced this before?How can I tell if my car has been tuned before?

 

[Kiastinger408]

Also my mods are intakes and jb4 but I wasn’t using the jb4 cause I waiting for my spark plugs to come in

 

[Terry@BMS]

Dr google says something electrical. Maybe an issue with the JB4 install.