Scania EMS DTC 84 NOx sensor T115, low sensitivity

EMS Engine Management System · Scania

Code 84 (decimal). Some diagnostic tools show it in hexadecimal as 000054.

In short

The T115 NOx sensor indicates too low a sensitivity.

Applies to: EMS10

What does Scania EMS fault code 84 mean?

The T115 NOx sensor indicates too low a sensitivity.

How to fix Scania EMS fault code 84?

  1. Renew NOx sensor T115.
  2. Run Exhaust gas aftertreatment, operational testing of the NOx 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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