Scania EEC DTC 4677 Water in fuel sensor, T155

EEC Exhaust Emission Control · Scania

Code 4677 (decimal). Some diagnostic tools show it in hexadecimal as 1245.

In short

The EEC control unit could not convert the signal from the water in fuel sensor.

Applies to: EEC3

What does Scania EEC fault code 4677 mean?

What causes Scania DTC 4677?

How does the system react?

How to fix Scania EEC fault code 4677?

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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 4677 in other Scania systems