Daily Archives: February 10, 2018


How to solve Cummins INSITE 8.2 Connection Error 5204 5202 5201 5200

With DPA5 adapter,I try to connect with Cummins insite and i have error code 5204 or only no connection and not blinking the leds   This is the error 5204 popped up when connect Prostar 2005 with cummins engine: ECM connection Error number: 5204 Communication between the data link adapter and the ECM could not be established. […]