Scania EMS DTC 40993 SCR - Tank temperature sensor

EMS Engine Management System · Scania

Code 40993 (decimal). Some diagnostic tools show it in hexadecimal as A021.

In short

The voltage in the circuit has been outside the permitted range.

Applies to: EMS S6

What does Scania EMS fault code 40993 mean?

What causes Scania DTC 40993?

How does the system react?

How to fix Scania EMS fault code 40993?

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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.

Code 40993 in other Scania systems