Normal Operation - Dodge RAM PROMASTER 2018 Diesel Supplement

In the case of LOW temperature after Starting, the Auto-
mated Manual Transmission may not be able to engage
first gear. In this case a message Shift not allowed
appears. In this situation use the engine block heater.
NOTE: The engine and transmission block heater cord is a
factory installed option. If your vehicle is not equipped,
heater cords are available from your authorized Mopar
dealer.
• A 12 Volt heater built into the fuel filter housing aids in
preventing fuel gelling. It is controlled by a built-in
thermostat.
• A Diesel Pre-Heat system both improves engine starting
and reduces the amount of white smoke generated by a
warming engine.

NORMAL OPERATION

Observe the following when the diesel engine is operating.
• All message center lights are off.
• Malfunction Indicator Light (MIL) is off.
• Generic Warning Light is off.
• Engine Oil Pressure telltale is not illuminated.
Cold Weather Precautions
Operation in ambient temperature below 32°F (0°C) may
require special considerations. The following charts sug-
gest these options:
STARTING AND OPERATING 21
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