Aftertreatment Control Module (ACM) W2029917 The ACM controls the following components in the exhaust aftertreatment system: Aftertreatment Diesel Exhaust Fluid (DEF) Dosing Valve Aftertreatment DEF Tank Heater Valve Aftertreatment DEF Line Heaters Aftertreatment DEF Pump Aftertreatment DEF Return Valve The ACM also monitors the following values in the exhaust aftertreatment system: Aftertreatment DEF Dosing Pressure Aftertreatment DEF Tank Temperature Aftertreatment DEF Tank Level Aftertreatment DPF Intake/Outlet Temperature Aftertreatment DPF Differential Pressure NOx Sensors The ACM is a stand alone module.
Depending on your configuration it may be mounted as part of the DEF tank (as shown above) or on a bracket near the DEF tank. Notes Mack Body Builder Instructions PI / CHU, AN / CXU, GR / GU, TD, LR, TE / MRU USA141023213 Date 2.2018 Body Builder; Engine, MP7, MP8, and MP10 Page 23 (40) All Rights Reserved