Scania EEC DTC 8704 NOx sensor downstream of the SCR catalytic converter

EEC Exhaust Emission Control · Scania

Code 8704 (decimal). Some diagnostic tools show it in hexadecimal as 2200.

In short

NOx sensor T115 downstream of the SCR catalytic converter signals internal fault in the NOx sensor.

Applies to: EEC3

What does Scania EEC fault code 8704 mean?

What causes Scania DTC 8704?

How does the system react?

How to fix Scania EEC fault code 8704?

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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.

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