Antilock Brake System: Notes

Fig 1: Integrated Control Unit

Courtesy of CHRYSLER LLC

NOTE: The Electronic Stability Control (ESC) may also be referred to as Electronic Stability Program (ESP) depending on the vehicle model year and configuration. Certain components may also reference ESP, ESC, or use the traction control symbol.

This vehicle uses an antilock brake system designated MK25e. Some vehicles are equipped with MK25e antilock brakes only. Other vehicles are equipped with MK25e antilock brakes including Electronic Stability Control (ESC) and All-Speed Traction Control.

This four-channel antilock brake system uses components of the base brake system, but also features the following components:

Integrated Control Unit (ICU) - Hydraulic Control Unit (HCU) (2) and Antilock Brake Module (ABM) (1)
Wheel Speed Sensors (WSS) - Four sensors (one sensor at each wheel making it a four-channel system)

If equipped with ESC, there are additional components. For additional information, refer to the ESC Description. See ELECTRONIC STABILITY CONTROL .

The MK25e ICU is made up of the Hydraulic Control Unit (HCU) and the Antilock Brake Module (ABM). For additional information on these components, see Brakes/Hydraulic/Mechanical/HYDRAULIC CONTROL UNIT (HCU) - Description . Refer to Electrical/Electronic Control Modules/MODULE, Anti-Lock Brake System - Description .