Scania BMU fault codes
All 702 Scania BMU (Battery Management Unit) diagnostic trouble codes, with meaning, causes and how to fix them.
Control units:
BMU5BMU6 (RES)BMU6 (RESXA)BMU6 (RESXB)BMU6 (RESXC)BMU6 (RESXD)BMU6 (RESXE)BMU6 (RESXF)BMU6 (RESXG)BMU6 (RESXH)BMU6 (RESXI)BMU6 (RESXJ)BMU6 (RESXK)BMU7 (BMUA)BMU7 (BMUB)BMU7 (BMUC)BMU7 (BMUD)BMU7 (BMUE)BMU7 (BMUF)BMU7 (BMUG)BMU7 (BMUH)BMU7 (BMUI)BMU7 (BMUJ)BMU7 (BMUK) +5
Showing 181–240 of 702 codes
- 1038hex 040E One batterypack is more limited than the others
- 1039hex 040F One or more propulsion batteries do not connect to the class B link
- 1040hex 0410 OCI node CAN timeout.
- 1041hex 0411 Temperature sensor T210 short-circuited to earth
- 1042hex 0412 Temperature sensor T210, open circuit in circuit or shorted to 24 V
- 1043hex 0413 Battery coolant chiller inlet temperature sensor short circuit to ground
- 1044hex 0414 Open load or short to battery on battery chiller inlet temperature sensor .
- 1045hex 0415 Coolant temperature sensor for cooling the electronics, interruption or short circuit to supply voltage
- 1046hex 0416 Temperature sensor, open circuit or short circuit to battery voltage
- 1047hex 0417 Temperature sensor T273, short circuit to earth
- 1048hex 0418 Temperature sensor T273 has an open circuit or is short-circuited to voltage supply.
- 1049hex 0419 Propulsion battery, thermal incident
- 1050hex 041A Contactor unit R125, no CAN message
- 1051hex 041B VCB auxiliary consumers have used more current then they had allocated.
- 1052hex 041C On-board charger
- 1053hex 041D Fault when charging
- 1056hex 0420 No voltage class B from the on-board charger
- 1057hex 0421 Charging interrupted
- 1058hex 0422 Cooling circuit for the on-board charger
- 1059hex 0423 The on-board charger is not responding to CAN
- 1072hex 0430 Air compressor, high electric power consumption
- 1073hex 0431 Direct current converter, high electric power consumption
- 1074hex 0432 Class B heater H40, high electric power consumption
- 1075hex 0433 Connected unit compressor, high electric power consumption
- 1076hex 0434 Break in AUX inverter circuit
- 1088hex 0440 DC plug charging VECC CAN timeout
- 1280hex 0500 Refrigerant compressor E140
- 1281hex 0501 Coolant pump M38, internal fault in the propulsion battery cooling system
- 1282hex 0502 Signal for control-pilot missing
- 1283hex 0503 Unknown fault VCCU
- 1284hex 0504 The WiFi signal was interrupted during charging
- 1285hex 0505 CMP fault
- 1286hex 0506 Heating the contact rails
- 1287hex 0507 BMU missing CAN message from CMP
- 1288hex 0508 Charging attempt using pantograph interrupted
- 1289hex 0509 Incorrect connection of terminals on the DC rails
- 1296hex 0510 Electric vehicle charging station, not working as expected
- 1297hex 0511 Contactor unit for pantograph charging, negative contactor fixed in closed position
- 1298hex 0512 Contactor unit for pantograph charging, negative contactor fixed in open position
- 1299hex 0513 Contactor unit for pantograph charging, positive contactor fixed in open position
- 1300hex 0514 Contactor unit for pantograph charging, positive contactor fixed in closed position
- 1301hex 0515 External electric vehicle charging station does not stop charging
- 1302hex 0516 The pantograph does not move as expected
- 1303hex 0517 Electric vehicle charging station, not working as expected
- 1304hex 0518 unknown fault
- 1305hex 0519 unknown pantograph cbox pos contactor error
- 1306hex 051A Charging is complete
- 1307hex 051B Pantograph charging has been cancelled
- 1312hex 0520 Unknown neg contactor error
- 1313hex 0521 Faulty contact rail voltage
- 1314hex 0522 Insulation fault electric vehicle charging station
- 1315hex 0523 Minor insulation fault electric vehicle charging station
- 1316hex 0524 BMU does not allow charging
- 1317hex 0525 Unknown fault
- 1318hex 0526 Charging fault, polarity
- 1319hex 0527 Live contact rails
- 1320hex 0528 Temperature sensors to propulsion battery cooling mixed up
- 1321hex 0529 The electric vehicle charging station is supplying the wrong voltage or current
- 1328hex 0530 The electric vehicle charging station is supplying low power
- 1329hex 0531 The electric vehicle charging station is supplying low current