Scania fault code 1056
Code 1056 is used by 6 different Scania systems. Choose the control unit shown in your diagnostic tool:
BMU Battery Management Unit
No voltage class B from the on-board charger
The voltage from the on-board charger is low compared to the voltage reported by BMU.
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VDT
Internal fault
Invalid configuration.
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COO Coordinator
CAN message missing, ACU control unit B
A CAN message about a fault in the electronically controlled brake system has been detected.
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MBS
Air direction damper for floor, communication fault
The MBS control system does not detect communication with the air direction damper for the floor on LIN bus 1 within the allotted timeout.
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ALM
Fault in communication between motion detector and inclination detector
Faulty LIN communication between ALM control unit E7 and motion and inclination detector T78.
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TCC
Hand dryer, short circuit
The control unit has interpreted that the circuit for the hand dryer is short-circuited.
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