car can be driven at 30mph but in D will not change up. A replacement solenoid was fitted as this had shown up as a fault in changing from 4th to 5th. Afte rthis had been done (by a transmission specialist) the vehicle was returned to me. The car drove fine for about 4 miles then the fault returned as before.
how /where do i look for fault codes do i need software?? thanks all out ther 1996 c-180 5 speed auto...thanks chris

 

your transmission is 722.6?

this is an electronic transmission and your car stays on 2nd gear if running in emergency mode.

check the fault code again and tell me.