Scania fault code 57378
Code 57378 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:
TMS Transmission Management System
MGU control unit
Temporary fault in the electric machine or cable harness.
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PCS
Voltage class B, large deviation in electric power consumption
Large difference between the reported electric power consumption for voltage class B and the actual electric power consumption.
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