Module-Antilock Brakes: Description
WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of DAIMLERCHRYSLER CORP.
NOTE:
If the ABM module is replaced it must be initialized using the scan tool.
The Antilock Brake Module (ABM) (1) is mounted to the Hydraulic Control Unit (HCU) (2) and operates the ABS system.