Scania EMO DTC 8866 T115 NOx sensor downstream of the catalytic converter

EMO EMO control unit · Scania

Code 8866 (decimal). Some diagnostic tools show it in hexadecimal as 22A2.

In short

Implausible signal from the NOx sensor downstream of the catalytic converter.

Applies to: EMO2 (EMS)

What does Scania EMO fault code 8866 mean?

What causes Scania DTC 8866?

How does the system react?

How to fix Scania EMO fault code 8866?

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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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