Scania EMS DTC 4611 Rotational speed sensor

EMS Engine Management System · Scania · 3 variants

Code 4611 (decimal). Some diagnostic tools show it in hexadecimal as 1203.

In short

The signal from rotational speed sensor T74 has indicated an implausible rotational speed decrease below the level at which the sensor detects that the flywheel has completed one revolution.

Variant 1

Applies to: EMS S6 IoM singlespeed (S6IM)

What does Scania EMS fault code 4611 mean?

What causes Scania DTC 4611?

How does the system react?

How to fix Scania EMS fault code 4611?

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Variant 2

Applies to: EMS S6

Variant 3

Applies to: EMS S6 (EMS S6 EuroIII)

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

Code 4611 in other Scania systems

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