CAT 3406E (Prefix 1MM or 2WS) Fault Code: 62 PID: SPN: 111 FMI: 1 Low Coolant Level Warning

The ECM detects the following conditions:

•The coolant level is low for more than ten seconds.

Probable Causes:

1) Coolant level
2) Coolant level sensor/harness

Back to blog