Scania EMS DTC 5777 Variable geometry turbocharger, mechanical fault

EMS Engine Management System · Scania · 3 variants

Code 5777 (decimal). Some diagnostic tools show it in hexadecimal as 1691.

In short

The VGT actuator (M30) reports a problem with control of the VGT

Variant 1: Engine Variable Geometry Turbocharger Actuator #1, Mechanical Fault.

Applies to: EMS10

What does Scania EMS fault code 5777 mean?

What causes Scania DTC 5777?

What are the symptoms?

How to fix Scania EMS fault code 5777?

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Variant 2

Applies to: EMS S7

Variant 3

Applies to: EMS S8

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