Scania EMS DTC 23 Control unit

EMS Engine Management System · Scania

Code 23 (decimal). Some diagnostic tools show it in hexadecimal as 0017.

In short

Incorrect or unreliable data.

Applies to: EMS S6 IoM singlespeed (S6IM)EMS S6EMS S6 (EMS S6 EuroIII)

What does Scania EMS fault code 23 mean?

Incorrect or unreliable data.

What causes Scania DTC 23?

Internal fault in the control unit.

How does the system react?

The engine cannot be started or run as long as the fault is active.

How to fix Scania EMS fault code 23?

  1. Clear the fault code memory and turn the power off and on with the starter key.
  2. Then check if the fault code has been generated again.
  3. Renew the control unit if this is the case.

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

Code 23 in other Scania systems

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