Scania EMU fault codes
All 722 Scania EMU diagnostic trouble codes, with meaning, causes and how to fix them.
Control units:
EMU1 (ECS)
Showing 1–60 of 722 codes
- 3152hex 000C50 Contactor unit R126, positive contactor, short circuit to supply voltage
- 3153hex 000C51 Contactor unit R126, positive contactor, short circuit to earth or open circuit
- 3154hex 000C52 Contactor unit R126, positive contactor, contactor fixed in closed position
- 3155hex 000C53 Contactor unit R126, negative contactor, short circuit to supply voltage
- 3156hex 000C54 Contactor unit R126, negative contactor, short circuit to earth or open circuit
- 3157hex 000C55 Contactor unit R126, negative contactor, contactor fixed in closed position
- 3158hex 000C56 Contactor unit R126, pre-charge resistor contactor, short circuit to supply voltage
- 3159hex 000C57 Contactor unit R126, pre-charge resistor contactor, short circuit to earth or open circuit
- 3160hex 000C58 Contactor unit R126, pre-charge resistor contactor, contactor fixed in closed position
- 3162hex 000C5A Contactor unit R126, positive contactor, contactor fixed in open position
- 3163hex 000C5B Contactor unit R126, negative contactor, contactor fixed in open position
- 3164hex 000C5C Contactor unit R126, pre-charge resistor contactor, contactor fixed in open position
- 3165hex 000C5D Contactor unit R126, pre-charge resistor contactor, invalid current frequency
- 3166hex 000C5E Contactor unit R126, negative contactor, invalid current frequency
- 3167hex 000C5F Contactor unit R126, positive contactor, invalid current frequency
- 4096hex 001000 Temperature sensor T273, battery circuit 1, short circuit to earth
- 4097hex 001001 Temperature sensor T273, battery circuit 1, short circuit to voltage supply
- 4098hex 001002 Temperature sensor T249, short circuit to earth
- 4099hex 001003 Temperature sensor T249, short circuit to supply voltage or open circuit
- 4100hex 001004 Temperature sensor 272, short circuit to earth
- 4101hex 001005 Temperature sensor T272, short circuit to earth or open circuit
- 4102hex 001006 Temperature sensor T250, short circuit to earth
- 4103hex 001007 Temperature sensor T250, short circuit to supply voltage or open circuit
- 4104hex 001008 Temperature sensor T251, power electronics before the radiator, short circuit to earth
- 4105hex 001009 Temperature sensor T251, power electronics upstream of radiator, short circuit to voltage supply
- 4112hex 001010 Pressure sensor T259, AC circuit, short circuit to earth
- 4113hex 001011 Pressure sensor T259, AC circuit, short circuit to supply voltage or interruption
- 4114hex 001012 Pressure sensor T6, AC for cab, short circuit to earth
- 4115hex 001013 Pressure sensor T6, AC for cab, short circuit to supply voltage or interruption
- 4116hex 001014 Pressure sensor T252, battery AC, short circuit to earth
- 4117hex 001015 Pressure sensor T252, battery AC, short circuit to voltage supply
- 4128hex 001020 Refrigerant compressor E157, supply voltage, invalid signal or internal fault
- 4129hex 001021 Refrigerant compressor E157, supply voltage, short circuit to earth
- 4130hex 001022 Refrigerant compressor E158, supply voltage, invalid signal or internal fault
- 4131hex 001023 Refrigerant compressor E158, supply voltage, short circuit to earth
- 4132hex 001024 Refrigerant compressor E157, communication fault
- 4133hex 001025 Temperature sensor T515, short circuit to earth
- 4134hex 001026 Temperature sensor T515, short circuit to supply voltage or open circuit
- 4135hex 001027 Temperature sensor T516, short circuit to earth
- 4136hex 001028 Temperature sensor T516, short circuit to supply voltage or open circuit
- 4137hex 001029 Refrigerant compressor E158, communication fault
- 4144hex 001030 Temperature sensor T252, short circuit to earth
- 4145hex 001031 Temperature sensor T252, short circuit to supply voltage
- 4146hex 001032 Temperature sensor T6, AC for cab, short circuit to earth
- 4147hex 001033 Temperature sensor T6, AC for cab, short circuit to voltage supply or open circuit
- 4149hex 001035 Temperature sensor T259, AC battery circuit, short circuit to earth
- 4150hex 001036 Temperature sensor T259 for A/C battery circuit, short circuit to supply voltage
- 4151hex 001037 Refrigerant compressor E158, overheating
- 4152hex 001038 Refrigerant compressor E158, high risk of overheating
- 4153hex 001039 Refrigerant compressor E158, liquid refrigerant in compressor
- 4160hex 001040 Control switch S229, invalid signal
- 4161hex 001041 Refrigerant compressor E158, low refrigerant level
- 4162hex 001042 Refrigerant compressor E158, low pressure
- 4163hex 001043 Refrigerant compressor E158, high pressure out
- 4164hex 001044 Refrigerant compressor E157, high pressure
- 4165hex 001045 Refrigerant compressor E158, high temperature
- 4166hex 001046 Refrigerant compressor E157, high temperature
- 4167hex 001047 Refrigerant compressor E157, supply voltage, short circuit to battery
- 4168hex 001048 Refrigerant compressor E158, supply voltage, short circuit to battery
- 4169hex 001049 Refrigerant compressor E157, no refrigerant