Scania EEC DTC 4651 Fuel injection for exhaust gas aftertreatment

EEC Exhaust Emission Control · Scania

Code 4651 (decimal). Some diagnostic tools show it in hexadecimal as 122B.

In short

The fuel pressure in the exhaust gas aftertreatment valve block V184 is too high when the fuel injection valve V185 is open.

Applies to: EEC3

What does Scania EEC fault code 4651 mean?

What causes Scania DTC 4651?

How does the system react?

How to fix Scania EEC fault code 4651?

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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.