Scania EMS DTC 87 Main ASC Inlet NOx sensor - Self test on sensitivity indicates low sensitivity

EMS Engine Management System · Scania

Code 87 (decimal). Some diagnostic tools show it in hexadecimal as 000057.

In short

NOx sensor self test indicates broken sensor

Applies to: EMS10

What does Scania EMS fault code 87 mean?

NOx sensor self test indicates broken sensor

What causes Scania DTC 87?

Broken sensor

How to fix Scania EMS fault code 87?

Replace the sensor

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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