Scania EMS DTC 9985 Voltage supply

EMS Engine Management System · Scania · 3 variants

Code 9985 (decimal). Some diagnostic tools show it in hexadecimal as 2701.

In short

The voltage has been below the permitted level for one of the sensors which has a shared voltage supply.

Variant 1

Applies to: EMS S6 IoM singlespeed (S6IM)

What does Scania EMS fault code 9985 mean?

What causes Scania DTC 9985?

How does the system react?

How to fix Scania EMS fault code 9985?

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Variant 2

Applies to: EMS S6

Variant 3

Applies to: EMS S6 (EMS S6 EuroIII)

This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.