Scania EMS DTC 50691 Unit injector for cylinder 7

EMS Engine Management System · Scania

Code 50691 (decimal). Some diagnostic tools show it in hexadecimal as C603.

In short

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

Applies to: EMS S6 IoM singlespeed (S6IM)EMS S6EMS S6 (EMS S6 EuroIII)

What does Scania EMS fault code 50691 mean?

What causes Scania DTC 50691?

How does the system react?

How to fix Scania EMS fault code 50691?

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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.