F 250 4WD Pickup V6-4.2L VIN 2 (1998)
Suspension Control Module: Description and Operation
The control module keeps the rear of the vehicle at trim height. The control module uses a 45-second averaging interval to determine when compress and
vent operations are needed. This eliminates unneeded corrections due to bumps, braking, accelerating, and fuming. The control module does not allow
any vent or compress operations for the first 45-seconds after the ignition switch has been fumed to RUN.
The control module does not allow any vent operations for the first 45 seconds after the ignition switch has been fumed to the RUN position. Even if a
vehicle is extremely high in the rear, it will not vent until the ignition has been turned to run for 45 seconds.