Scania fault code 801
Code 801 is used by 9 different Scania systems. Choose the control unit shown in your diagnostic tool:
BMU Battery Management Unit
The contactor unit has exceeded its service life
The contactor unit for propulsion battery E83 has expired after one of the following: - 30,000 activations at normal load - 15 activations at medium load - 2 activations at high lo…
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COO Coordinator
Comfort Shift
The control unit has detected a fault in the circuit for the Comfort Shift interlock valve. Control unit pin A30 receives information on the signals to the interlock valve and inte…
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MBS
Climate control panel, switch out of order
The switch on the climate control panel is out of order.
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DDU
Steering wheel switch for cruise control, CAN messages missing
CAN messages from the steering wheel switch for cruise control missing.
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PCS
CAN message missing
The sequence check does not match the number of messages received.
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ICL Instrument Cluster
Communication with the BWE control unit
No CAN messages from the BWE control unit.
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CMS
Differential lock switch for double-drive bogie
The differential lock switch for double-drive bogie has a short circuit to battery.
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COMMUNICATOR Communicator (C200 / C300 / C400)
Communication with the auxiliary heater (AHS)
There has been no CAN communication with the AHS control unit in connection with remote starting of the auxiliary heater for longer than is permissible.
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DCU
Door control unit, fault in parameter settings
The door control unit has detected that the parameter settings are inconsistent or incorrect.
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