RAM 2015 1500, Operating Information Manual, Page: 356 / 998

•
Pressure display in the Electronic Vehicle
Information Center (EVIC)/Driver Information
Display (DID)
The TPIS system will display all four (Single
Rear Wheel (SRW) applications) or six (Dual
Rear Wheel (DRW) applications) tire pressure
values in the EVIC/DID display.
If a system fault is detected, the EVIC/DID 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.
If the ignition switch is cycled, this sequence will
repeat, providing the system fault still exists. If
the system fault no longer exists, the
" SERVICE
TPM SYSTEM " message will no longer be
displayed, and a pressure value will display in
place of the dashes. A system fault can occur
due to any of the following:
•
Signal interference due to electronic devices
or driving next to facilities emitting the same
radio frequencies as the TPM sensors.
•
Installing aftermarket window tinting that con-
tains materials that may block radio wave
signals.
•
Accumulation of snow or ice around the
wheels or wheel housings.
•
Using tire chains on the vehicle.
•
Using wheels/tires not equipped with TPM
sensors.
General Information
This device complies with Part 15 of the FCC
rules and RSS 210 of Industry Canada. Opera-
tion is subject to the following conditions:
•
This device may not cause harmful interfer-
ence.
•
This device must accept any interference
received, including interference that may
cause undesired operation.
The TPM sensors are regulated under one of
the following licenses:
United States GQ4-61T
Canada 1470A-42T
FUEL REQUIREMENTS
3.6L/6.4L Engine
These engines are designed to meet all emis-
sions regulations and provide excellent fuel
economy and performance when using high-
quality unleaded gasoline with a minimum Re-
search Octane Number (RON) of 91. The use of
premium gasoline will not provide any benefit
over regular gasoline in these engines.
5.7L Engines
This engine is designed to meet all emissions
regulations and provide satisfactory fuel economy
and performance when using high quality un-
leaded gasoline having a Research Octane Num-
ber (RON) of 91 to 95. The manufacturer recom-
mends the use of 95 RON for optimum
performance.
Light spark knock at low engine speeds is not
harmful to your engine. However, continued
heavy spark knock at high speeds can cause
damage and immediate service is required.
Poor quality gasoline can cause problems such
as hard starting, stalling, and hesitations. If you
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