CAT 3406E (Prefix 5DS or 1LW) Fault Code: 02 PID: 244 SPN: FMI: 2 Event Recorder Data Lost

The ECM detects the following conditions:

•The unswitched battery connection has been disconnected from the ECM.

Probable Causes:

1) ECM Connection/harness
2) Battery voltage at ECM
3) Truck battery or battery cable issue
4) Aftermarket engine protection switch
5) ECM Failure