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 61–120 of 702 codes
- 789hex 0315 Solenoid valve for the propulsion battery cooling system
- 790hex 0316 Fault in direct current converter E84, DCC
- 791hex 0317 Coolant pump (M86) for cooling system, incorrect behaviour
- 793hex 0319 Battery pack interlook loop fault
- 800hex 0320 Discharging fault on the voltage class B circuit
- 801hex 0321 The contactor unit has exceeded its service life
- 802hex 0322 The voltage in the propulsion battery is outside the permitted range
- 803hex 0323 The propulsion battery level monitor T181 indicates a low fluid level.
- 804hex 0324 Propulsion battery level monitor T181 is defective
- 805hex 0325 The level monitor for the inverter E82 (MGU) and direct current converter E84 (DCC) indicates low coolant level
- 806hex 0326 The level monitor for the inverter E82 (MGU) and direct current converter E84 (DCC) is defective
- 815hex 032F Faulty generation in the connected propulsion battery
- 816hex 0330 Internal hardware fault for direct current converter E84 (DCC)
- 817hex 0331 The voltage is too high in the direct current converter E84 (DCC) on the voltage class B side
- 818hex 0332 The direct current converter does not charge the 24-volt battery
- 819hex 0333 The voltage is too high in the direct current converter E84 on the 24 V side
- 820hex 0334 Short circuit on the 24 V side of the direct current converter E84 (DCC)
- 821hex 0335 The temperature in the direct current converter E84 (DCC) is too high
- 822hex 0336 Changed polarity on the 24 V side of the direct current converter E84 (DCC)
- 823hex 0337 Temperature sensor for heater H32, short circuit to earth
- 824hex 0338 Temperature sensor for heater H32, open circuit or short circuit
- 825hex 0339 Coolant temperature sensor T179, short-circuited to earth
- 826hex 033A Coolant temperature sensor T179, open or short circuit
- 827hex 033B Low class B voltage supply to the direct current converter (DCC)
- 828hex 033C Propulsion battery heater H32
- 829hex 033D The heater is short-circuited to ground
- 830hex 033E Propulsion battery heater H32, short circuit to 24 V
- 831hex 033F The serial number of the IBU is invalid
- 832hex 0340 Insulation fault on external positive side
- 833hex 0341 Insulation fault on external negative side
- 834hex 0342 The wear counter for the contactor unit, implausibly high
- 836hex 0344 Original values in the BMU
- 837hex 0345 Fan to rechargeable energy storage system
- 838hex 0346 Fan for rechargeable energy storage system, overload
- 839hex 0347 Propulsion battery cooling circuit, very high temperature
- 840hex 0348 Propulsion battery cooling system, emergency stop
- 841hex 0349 Fan for rechargeable energy storage system, short circuit
- 842hex 034A Fan M40 for cooling MGS and DCC, short circuit
- 843hex 034B Fan M40 for cooling MGS and DCC, overload
- 848hex 0350 Service switch S229, short circuit
- 849hex 0351 Open circuit to service switch S229
- 850hex 0352 Service switch S229, short circuit
- 851hex 0353 Current drawn from propulsion battery too high
- 852hex 0354 Important signals from the propulsion battery are missing
- 854hex 0356 Battery module 1 in propulsion battery, CAN communication interrupted
- 855hex 0357 Battery module 2 in propulsion battery, CAN communication interrupted
- 856hex 0358 Battery module 3 in propulsion battery, CAN communication interrupted
- 857hex 0359 Battery module 4 in propulsion battery, CAN communication interrupted
- 858hex 035A Battery module 5 in propulsion battery, CAN communication interrupted
- 859hex 035B Battery module 6 in propulsion battery, CAN communication interrupted
- 860hex 035C Battery module 7 in propulsion battery, CAN communication interrupted
- 861hex 035D Battery module 8 in propulsion battery, CAN communication interrupted
- 862hex 035E Battery module 9 in propulsion battery, CAN communication interrupted
- 863hex 035F Battery module 10 in propulsion battery, CAN communication interrupted
- 864hex 0360 Battery module 11 in propulsion battery, CAN communication interrupted
- 865hex 0361 Battery module 12 in propulsion battery, CAN communication interrupted
- 866hex 0362 Battery module 13 in propulsion battery, CAN communication interrupted
- 867hex 0363 Battery module 14 in propulsion battery, CAN communication interrupted
- 868hex 0364 Battery module 15 in propulsion battery, CAN communication interrupted
- 869hex 0365 Battery module 1 in propulsion battery, internal fault