TRACK ROLLER G 1885607 - Caterpillar

Use this procedure to solve communication problems between the Cat® Electronic Technician (ET) and the engine control module (ECM). Cat ET must communicate with the ECM on the "Cat Data Link" and on the J1939 data link in order to service the engine.Indicators on the communication adapter indicate that communication is occurring on a particular data link. The "J1939 / DeviceNet" indicator indicates that the