Scania fault code 1054
Code 1054 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:
COO Coordinator
Scania Communicator (RTC), out of order
CAN message from the RTC control unit indicates that the control unit is out of order.
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TCC
Gate valve for draining wastewater, short circuit
The control unit has interpreted a short circuit in the circuit for the gate valve for draining wastewater.
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