Air Suspension Control Module

WARNING: This page is about a different car, the 2021 Jeep Grand Cherokee L. However, it is still accessible from the selected car via links, so may be relevant.

DESCRIPTION

Courtesy of CHRYSLER GROUP, LLC

1 - ASCM

NOTE:

If the Air Suspension Control Module (ASCM) (1) is in Plant Mode, it must first be initialized using the diagnostic scan tool. The ASCM can also be removed from Plant Mode by driving the vehicle above 19 km/h (12 mph).

Vehicles equipped with air suspension include an ASCM which is mounted to the Air Suspension Compressor and the two components are serviced as a complete unit. Refer to COMPRESSOR ASSEMBLY, AIR SUSPENSION, REMOVAL AND INSTALLATION .

OPERATION

The ASCM battery voltage is received from a fuse located in the Power Distribution Center (PDC). Multiple modules work together to increase vehicle stability and traction along with vehicle ride height. The ASCM uses the Controller Area Network - Flex Data (CAN-FD) data bus for inputs and outputs of the information necessary for the Air Suspension Control System (ASCS) to operate. The use of a diagnostic scan tool is necessary for diagnostics and replacement of the ASCM (or any pressurized component of the system). For more information on the air suspension system. Refer to AIR SUSPENSION, DESCRIPTION AND OPERATION .