Ram 1500/2500/3500 Owners & Service Manuals

Ram 1500/2500/3500: Description

The air suspension system is a rear leveling ride height system. The main purpose of this system is to maintain the truck's rear ride height level.

Rear Leveling Ride Height Switch

Normal Ride Height (NRH) - This is the standard position of the suspension and is meant for normal driving.

Trailer Mode (Lowers the vehicle approximately 1 in (25 mm) - This position will lower the rear suspension and provide load leveling for all loading conditions including towing a trailer. The trailer button will blink continuously until trailer height has been achieved.

The system requires that the ignition be in ON/RUN position or the engine running for all user requested changes.

After the engine is turned off, it may be noticed that the air suspension system operates briefly, this is normal. The system is correcting the position of the vehicle to ensure a proper appearance.

NOTE: If equipped with a touch screen radio all enabling/disabling of air suspension features must be done through the radio. Refer to "Uconnect Access Settings" in "Understanding Your Instrument Panel" for further information.

WARNING! The air suspension system uses a high pressure volume of air to operate the system. To avoid personal injury or damage to the system, see your authorized dealer for service.


     Air Suspension Modes

    The Air Suspension system has multiple modes to protect the system in unique situations: Tire/Jack Mode To assist with changing a spare tire, the air suspension system has a feature which allows the a


    Pushing the Trailer Mode button once, while at Normal Ride Height (NRH) will lower the vehicle to trailer level. NOTE: The LED will continuously blink until vehicle trailer level that been achieved.

     Axle Locker System - Power Wagon Models Only (If Equipped)

    This vehicle is equipped with electronically locking front and rear differentials. These differentials, when engaged, mechanically lock together the axle shafts forcing the wheels to spin at an equal


     Engine Oil

    Checking Oil Level To assure proper lubrication of your vehicle's engine, the engine oil must be maintained at the correct level. Check the oil level at regular intervals, such as every fuel stop. The best time to check the engine oil level is about five minutes after a fully warmed up engine is shu

     Trailer Sway Control (TSC) - If Equipped

    The TSC system uses sensors in the vehicle to recognize an excessively swaying trailer and will take the appropriate actions to attempt to stop the sway. The system may reduce engine power and apply the brake of the appropriate wheel(s) to counteract the sway of the trailer. TSC will become active

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