VECU5 - NEW MACK MODULE (VECU / BBM) FOR 2022 MODEL YEAR
A new vehicle control unit (VECU5) has been developed to support feature growth in the coming years. All DTC's and Operations have been authored in ISO, so there is no correlation to VECU4 for 2021 model year and prior model years. Please see Sections 3 and 9 in the Body Builder Manual for details. Wiring schematics can be found in Wiring Diagrams section. NOTE: Remote PTO operation may require installation of an SIB Switch Relay kit to eliminate risk of misfire faults (see Section 3, pg 37-38 for details). One SIB Switch Relay kit is furnished inside the cab that requires installation for Remote PTO operation. NOTE: Wiring schematics can be found in Wiring Diagrams section.