Scania fault code 553
Code 553 is used by 6 different Scania systems. Choose the control unit shown in your diagnostic tool:
VDT
CAN bus
Fault in CAN messages for maximum torque.
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CUV Visibility system
Main beam LH
Current consumption on the control unit output has exceeded 8.5 A for one second.
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BCI
System configuration missing
The expansion unit has not received any system configuration from the BCI control unit.
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ALM
Micro switch reserved pin (truck)/micro switch A10 (bus), open circuit
Open circuit in the micro switch.
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EST
Electric motor in the motor pump unit
The motor pump unit has been deactivated due to an internal fault.
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ESTA
Electric motor in the motor pump unit
The motor pump unit has been deactivated due to an internal fault.
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