Scania EMS DTC 4659 Unit injector for cylinder 3

EMS Engine Management System · Scania

Code 4659 (decimal). Some diagnostic tools show it in hexadecimal as 1233.

In short

The driver stage for the solenoid valve warns of a fault.

Applies to: EMS S6

What does Scania EMS fault code 4659 mean?

What causes Scania DTC 4659?

How does the system react?

How to fix Scania EMS fault code 4659?

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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 4659 in other Scania systems