Scania fault code 594
Code 594 is used by 8 different Scania systems. Choose the control unit shown in your diagnostic tool:
VDT
Internal fault
Invalid configuration.
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CUV Visibility system
Switch for spotlights in sun visor
The sun visor-mounted spotlight switch has been sending an error message to the control unit for more than one second.
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BCI
Short circuit, C259-16
Short circuit to ground or overload.
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LAS Locking and Alarm System
Siren
The fault affects engine performance. It is difficult to start the engine. Engine emissions are affected.
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ACS Articulation Control System
Articulation control system sub data bus
An unknown system has been identified on the articulation control system sub data bus in the CAN network.
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EST
No CAN message
There is no CAN message from the brake management system.
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ESTA
No CAN message
There is no CAN message from the brake management system.
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ACSX
Right-hand pressure sensor
Short circuit to voltage supply or analogue signal in the pressure sensor circuit.
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