Scania EMS DTC 65444 Incorrect road speed sensor signal

EMS Engine Management System · Scania · 2 variants

Code 65444 (decimal). Some diagnostic tools show it in hexadecimal as FFA4.

In short

Through CAN, the engine control unit has received a message concerning an incorrect signal from the road speed sensor, which is connected to the coordinator or the tachometer.

Variant 1

Applies to: EMS S6EMS S6 (EMS S6 EuroIII)

What does Scania EMS fault code 65444 mean?

What causes Scania DTC 65444?

How does the system react?

How to fix Scania EMS fault code 65444?

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Variant 2

Applies to: EMS S6 IoM singlespeed (S6IM)

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