Scania EMS DTC 4641 Unit injector for cylinder 2

EMS Engine Management System · Scania

Code 4641 (decimal). Some diagnostic tools show it in hexadecimal as 1221.

In short

It has not taken as long as expected for the control unit to build up the current in the solenoid valve.

Applies to: EMS S6

What does Scania EMS fault code 4641 mean?

What causes Scania DTC 4641?

How does the system react?

How to fix Scania EMS fault code 4641?

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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 4641 in other Scania systems