Dodge RAM 1500 Owner's Manual page 322

320 MAINTENANCE SCHEDULE
Perform Service Indicator — Cummins® Diesel
Your vehicle will require emissions maintenance at a set
interval. To help remind you when this maintenance is
due, the Electronic Vehicle Information Center (EVIC)
will display "Perform Service". When the "Perform Ser-
vice" message is displayed on the EVIC it is necessary to
have the emissions maintenance performed. Emissions
maintenance may include replacing the Closed Crank-
case Ventilation (CCV) filter element. The procedure for
clearing and resetting the "Perform Service" indicator
message is located in the appropriate Service Informa-
tion.
Required Maintenance Intervals
Refer to the Maintenance Schedules on the following
pages for the required maintenance intervals.