Vehicle came into our shop with long 1-2 shift when cold then 1-2-3 no 4th, when vehicle warmed up it shifted 1-2-3-4-lock up then 1-2-2 2-3-3 with bump shifts, shift solenoid a (sl1) codes and burnt fluid, pulled trans and inspected, found the c2 clutches bur... Login to read more.