Scania EMS DTC 5171 Exhaust gas temperature sensor upstream of SCR catalytic converter T113

EMS Engine Management System · Scania

Code 5171 (decimal). Some diagnostic tools show it in hexadecimal as 1433.

In short

The signal from the exhaust gas temperature sensor fitted on the SCR catalytic converter is not plausible.

Applies to: EMS S6

What does Scania EMS fault code 5171 mean?

What causes Scania DTC 5171?

How does the system react?

How to fix Scania EMS fault code 5171?

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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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