Scania fault code 3030
Code 3030 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Cylinder 6, ignition offset
Ignition offset, due to engine knocks, has exceeded the approved level.
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BMU Battery Management Unit
Propulsion battery, insulation fault, positive side
The UI sensor indicates that the resistance is 1-2 Mohm on the positive side, which is too low.
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