CAN bus architecture Key to devices AD : with automatic gearbox BQ : with FMS equipment CF : with ALLISON automatic gearbox CG : with ALLISON 3000V automatic gearbox CO : with OPTIFLEET equipment DE : with DATAMAX equipment YM : for vehicles manufactured after 2016/12/04 YN :
for vehicles manufactured before 2016/12/05 MIDLUM EURO 4 Page 5 (300) Code Title of the function Location A303 On-board management pre-arrangement (ECU) B2c B026 Automatic transmission gear selector B2b C077 Nitrogen oxide concentration sensor C4d D001 Main information display C2b D004 Tachograph C2b G001 Vehicle management control unit B2b G002 Engine management ECU B3b G003 Body builder pre-equipment management control unit B2b G004 Air suspension control unit B2b G005 EBS management control unit B2b G007 Braking assistance modulator assembly (on front axle) B3d G008 Braking assistance modulator assembly on drive axle B7d G012 Lighting and signalling management control unit B2c G018 On-board management interface control unit B2b G019 Gear selector control unit A2c G020 Automatic transmission ECU B2b G022 Electric retarder control unit A2b G025 Engine immobiliser ECU C2c G026 Alarm ECU A2a G030 AdBlue supply management pump module C4d G051 Air production management ECU C4d G100 DATAMAX GATEWAY ECU B2c G102 Onboard management control unit B2c H014 Radio set C2a X200 Available power supplies connector B2c X906 ABS/EBS trailer socket B4b X913 Vehicle diagnostic socket C4c X914 Vehicle data extraction socket C4c