Category: Caterpillar Trouble Repair

J1939-Error-Caterpillar-ECM-1

J1939 Error – Caterpillar ECM

Communication with Caterpillar ECM over J1939. When the machine control system is first powered up, and the engine is not running, the System Log logs several J1939 events related to a couple of PGNs. Has anyone else seen this before? I don’t believe it is the PGN timeout, as there