RAM 1500 Owner's Manual page 557

Should this occur, you should stop as soon as possible
and inflate the tires with a low pressure condition (those
flashing in the EVIC graphic) to the vehicle's recom-
mended cold placard pressure inflation value. Once the
system receives the updated tire pressures, the system
will automatically update, the graphic display in the
EVIC will stop flashing, and the "Tire Pressure Monitor-
ing Telltale Light" will turn off. The vehicle may need to
be driven for up to 20 minutes above 15 mph (24 km/h)
in order for the TPMS to receive this information.
Service TPMS Warning
If a system fault is detected, the "Tire Pressure Monitor-
ing Telltale Light" will flash on and off for 75 seconds and
then remain on solid. The system fault will also sound a
chime. In addition, the EVIC will display a SERVICE
TPM SYSTEM message for a minimum of five seconds
and then display dashes (- -) in place of the pressure
value to indicate which sensor is not being received.
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