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 541–600 of 702 codes
- 3341hex 000D0D Internal fault, UI sensor T282
- 3344hex 000D10 UI sensor, value too high
- 3345hex 000D11 Fault in the UI sensor cable harness for voltage class A
- 3346hex 000D12 UI sensor, invalid value for temperature
- 3354hex 000D1A TBD
- 3355hex 000D1B The 24 V power supply to the contactors is critically high
- 3360hex 000D20 Critical insulation fault on the vehicle side
- 3361hex 000D21 Propulsion battery, critical insulation fault
- 3362hex 000D22 Propulsion battery, insulation fault, vehicle side
- 3363hex 000D23 Propulsion battery, insulation measurement failed
- 3364hex 000D24 Insulation fault; it is not safe to charge propulsion batteries
- 3365hex 000D25 One or more propulsion batteries do not connect
- 3841hex 000F01 Control unit, cell type not supported
- 4096hex 001000 Voltage supply to the BMU control unit is below minimum level
- 4097hex 001001 Voltage supply to BMU control unit
- 4098hex 001002 Voltage supply to the BMU control unit is too low
- 4099hex 001003 Voltage supply to the BMU control unit is too high
- 4100hex 001004 Cell monitoring circuit board, incorrect serial number
- 4101hex 001005 UI sensor in propulsion battery, incorrect serial number
- 4102hex 001006 propulsion battery, incorrect calibration
- 4106hex 00100A Control unit, internal fault
- 4107hex 00100B Control unit, internal fault
- 4108hex 00100C Cell monitoring circuit board, communication fault
- 4109hex 00100D Internal fault in the BMU control unit
- 4110hex 00100E BMU, internal fault
- 4111hex 00100F BMU, internal fault
- 4112hex 001010 BMU, internal fault
- 4113hex 001011 BMU, internal fault
- 4176hex 001050 Cell monitoring circuit board, part number missing
- 4177hex 001051 Cell monitoring circuit board, different part numbers
- 4182hex 001056 Cell monitoring circuit board, addressing error
- 4183hex 001057 Negative contactor service life almost ended
- 4184hex 001058 Positive contactor service life nearly ended
- 4185hex 001059 Pre-charge contactor's service life nearly ended
- 4186hex 00105A Propulsion battery negative contactor, number of permissible actuations exceeded
- 4187hex 00105B Propulsion battery positive contactor, number of permissible actuations exceeded
- 4188hex 00105C Pre-charging contactor, number of actuations permitted exceeded
- 4192hex 001060 Cell monitoring circuit board, internal fault
- 4193hex 001061 Cell monitoring circuit board, internal fault
- 4194hex 001062 Cell monitoring circuit board, communication fault
- 4195hex 001063 Cell monitoring circuit board, internal fault
- 4196hex 001064 Battery module, open circuit in the measuring circuit
- 4197hex 001065 Cell monitoring circuit board, internal fault
- 4198hex 001066 Cell monitoring circuit board, internal fault
- 4199hex 001067 Cell monitoring circuit board, internal fault
- 4200hex 001068 Cell monitoring circuit board, too high or too low a reference voltage for AUX_AVDD
- 4201hex 001069 Cell monitoring circuit board, internal fault
- 4202hex 00106A Cell monitoring circuit board, internal fault
- 4203hex 00106B Cell monitoring circuit board, internal fault
- 4204hex 00106C Cell monitoring circuit board, internal fault
- 4205hex 00106D Cell monitoring circuit board, communication fault
- 4206hex 00106E Cell monitoring circuit board, internal fault
- 4207hex 00106F Charging current limit exceeded
- 4208hex 001070 Discharge current limit exceeded
- 4209hex 001071 Battery cells, voltage drop
- 4210hex 001072 The current level is too high
- 4211hex 001073 Cell monitoring circuit board, communication fault
- 4212hex 001074 Cell monitoring circuit board, internal fault
- 4213hex 001075 Cell monitoring circuit board, internal fault
- 4214hex 001076 Cell monitoring circuit board, internal fault