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Re: 2007 7400 Haul truck, 253 - FMI, code
Posted to HD/Fleet Forum on 7/9/2024 3 Replies

Matt, Please resend the last 8 of the VIN. Should be 7J then 6 digits. If this was built before 2007 below would apply.

253 - 1 translates to a Navistar DTC of 621

DTC 621 -- Engine using mfg default rating Condition: Manufacturing defaults selected. Sympto... Login to read more.

3 Replies Received (View Replies)