Scania fault code 4405
Code 4405 is used by 6 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Coolant temperature sensor T33
Coolant temperature sensor T33 shows a higher or lower value than calculated. The coolant temperature is compared with a calculated value while the engine warms up. If the differen…
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BMU Battery Management Unit
Battery module 5, flexible printed circuit board, small internal failure
Internal fault in flexible printed circuit board.
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EMD
Coolant temperature sensor T33
Coolant temperature sensor T33 shows a higher or lower value than calculated. The coolant temperature is compared with a calculated value while the engine warms up. If the differen…
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EME
Coolant temperature sensor T33
Coolant temperature sensor T33 shows a higher or lower value than calculated. The coolant temperature is compared with a calculated value while the engine warms up. If the differen…
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EMO
Coolant temperature sensor T33
Coolant temperature sensor T33 shows a higher or lower value than calculated. The coolant temperature is compared with a calculated value while the engine warms up. If the differen…
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DDU
Internal amplifier – Speaker R1 Overcurrent
Fault detected by internal amplifier diagnostic
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