Scania fault code 87
Code 87 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Main ASC Inlet NOx sensor - Self test on sensitivity indicates low sensitivity
NOx sensor self test indicates broken sensor
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VDT
Temperature and oil level sensor
Open circuit.
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ABS Anti-lock Braking System
Wheel speed
Recurring interruption of the signal from the wheel on the left-hand side of the third axle.
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