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Vehicle and Engine Certification

Light-Duty Vehicles and Light-Duty Trucks/Medium-Duty Passenger Vehicles: Family Naming Conventions

To determine Positions 1-4 of your Test Group name, see:

Use the table below to create Positions 5-12:

Location in Family Name Code/Value Description or Instructions
Position 5 J Industry sector code for "Light-Duty Vehicles and Light-Duty Trucks/Medium-Duty Passenger Vehicles"
Positions 6-9 XX.X or
.XXX
Engine displacement units in liters
(decimal point counts as a digit and each 'X' represents an integer)
Positions 10-12 *** Enter any combination of valid characters in order to provide a unique identification for your family name.