CAT 3406E (Prefix 1MM or 2WS) Fault Code: 55 PID: SPN: FMI: No Diagnostic Code Detected Posted by Diezel Solutions on April 5, 2025 No codes, there is nothing to do. 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
