Scania EMS DTC 4209 Outdoor temperature

EMS Engine Management System · Scania · 3 variants

Code 4209 (decimal). Some diagnostic tools show it in hexadecimal as 1071.

In short

The signal from the outdoor temperature sensor which comes from the coordinator has been implausible.

Variant 1

Applies to: EMS S6

What does Scania EMS fault code 4209 mean?

What causes Scania DTC 4209?

How to fix Scania EMS fault code 4209?

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Variant 2: Outdoor temperature sensor 1 T27 or outdoor temperature sensor 2 T611

Applies to: EMS S7

Variant 3: Outdoor temperature sensor 1 T27 or outdoor temperature sensor 2 T611

Applies to: EMS S8

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

Code 4209 in other Scania systems

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