Fault Codes:Caterpillar General EID921
Fault Description:
The post-processing DPF system does not match
Fault Cause:
EID (Event Code or Event Identifier) : Identifies important events that occur in the machine system. ECM/ECU can store (record) the data of these events. This function allows for the tracking of the machine's performance history. This data can serve as auxiliary information for managers, maintenance and repair personnel.
