CAT 3406E (Prefix 5DS or 1LW) Fault Code: 62 PID: 111 SPN: FMI: 1 Low Coolant Level Warning

Posted by PerDiezel Solutions on January 13, 2026

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

CAT 3406E (Prefix 5DS or 1LW) Fault Code: 61 PID: 110 SPN: FMI: 11 Very High Coolant Temperature

CAT 3406E (Prefix 5DS or 1LW) Fault Code: 61 PID: 110 SPN: FMI: 0 High Coolant Temperature Warning

CAT 3406E (Prefix 5DS or 1LW) Fault Code: 59 PID: 252 SPN: FMI: 11 Engine Software Incorrect

CAT 3406E (Prefix 5DS or 1LW) Fault Code: 58 PID: 249 SPN: FMI: 11 J1922 Data Link Fault

CAT 3406E (Prefix 5DS or 1LW) Fault Code: 56 PID: 231 SPN: FMI: 11 J1939 Data Link Fault

CAT 3406E (Prefix 5DS or 1LW) Fault Code: 56 PID: 253 SPN: FMI: 11 Check Transmission Customer Parameters

WARNING!