Scania fault code 73
Code 73 is used by 9 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Exhaust gas aftertreatment management system, temperature too high, poor signal status
The engine control unit has detected that the temperature in the exhaust gas aftertreatment management system is too high.
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EMD
Engine shutdown due to too high temperature together with bad signal status in the aftertreatment system.
ECU indicates that temperature in the aftertreatment system is too high.
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EME
Engine shutdown due to too high temperature together with bad signal status in the aftertreatment system.
ECU indicates that temperature in the aftertreatment system is too high.
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EMO
Engine shutdown due to too high temperature together with bad signal status in the aftertreatment system.
ECU indicates that temperature in the aftertreatment system is too high.
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VDT
Temperature and oil level sensor
Short circuit to ground.
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COO Coordinator
Speed signal
The vehicle speed signal that is generated by the road speed sensor on the gearbox has been missing, or the voltage in the road speed sensor circuit has been above or below the per…
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ABS Anti-lock Braking System
Wheel speed
A self-test has given an undesired result for the wheel on the right-hand side of the driving rear axle.
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CUV Visibility system
Headlamp wiper and washer
Open circuit or too low current consumption in circuit.
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AUS Audio System
Digital radio antenna, open circuit or short circuit
Open circuit on the digital radio antenna or short circuit to supply voltage.
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