CAT 3406E (Prefix 5DS or 1LW) Fault Code: 62 PID: 111 SPN: FMI: 1 Low Coolant Level Warning Posted by Diezel Solutions on April 12, 2025 The ECM detects the following conditions: •The coolant level is low for more than ten seconds. Probable Causes: 1) Coolant level2) Coolant level sensor/harness Share Share on Facebook Tweet Tweet on Twitter Pin it Pin on Pinterest 0 comments Leave a comment Name Email Message Please note, comments must be approved before they are published