Scania EMS DTC 5704 Alternator P3

EMS Engine Management System · Scania

Code 5704 (decimal). Some diagnostic tools show it in hexadecimal as 1648.

In short

The alternator is indicating that it is charging despite not being activated, i.e.

Applies to: EMS S6

What does Scania EMS fault code 5704 mean?

What causes Scania DTC 5704?

How does the system react?

How to fix Scania EMS fault code 5704?

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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.