Scania EMS DTC 73 Exhaust gas aftertreatment management system, temperature too high, poor signal status

EMS Engine Management System · Scania

Code 73 (decimal). Some diagnostic tools show it in hexadecimal as 000049.

In short

The engine control unit has detected that the temperature in the exhaust gas aftertreatment management system is too high.

Applies to: EMS10

What does Scania EMS fault code 73 mean?

What causes Scania DTC 73?

What are the symptoms?

How to fix Scania EMS fault code 73?

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This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.

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