Scania EMS DTC 54305 Engine emergency stop button

EMS Engine Management System · Scania · 2 variants

Code 54305 (decimal). Some diagnostic tools show it in hexadecimal as D421.

In short

The COO control unit has interpreted that the emergency stop status is indicating a fault in the system.

Variant 1: Emergency stop (COO), DLN1 EngineEmergencyStopDemand, fault status

Applies to: EMS10

What does Scania EMS fault code 54305 mean?

What causes Scania DTC 54305?

How to fix Scania EMS fault code 54305?

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Variant 2

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.

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