Scania EEC DTC 8259 Reductant circuit

EEC Exhaust Emission Control · Scania

Code 8259 (decimal). Some diagnostic tools show it in hexadecimal as 2043.

In short

The reductant doser temperature sensor indicates values which are too low.

Applies to: EEC3

What does Scania EEC fault code 8259 mean?

What causes Scania DTC 8259?

How to fix Scania EEC fault code 8259?

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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.