Scania EMD DTC 49423 Control units EMS and EEC

EMD EMD control unit · Scania

Code 49423 (decimal). Some diagnostic tools show it in hexadecimal as C10F.

In short

The engine control unit EMS and the EEC control unit for exhaust gas aftertreatment are not compatible. They indicate different version codes.

Applies to: EMD0EMD1

What does Scania EMD fault code 49423 mean?

The engine control unit EMS and the EEC control unit for exhaust gas aftertreatment are not compatible. They indicate different version codes.

What causes Scania DTC 49423?

Incompatible software or hardware versions.

What are the symptoms?

The fault may result in higher exhaust emissions.

How to fix Scania EMD fault code 49423?

  1. Check that the software versions in the control units are compatible.
  2. Check that the hardware versions for the control units are compatible.

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

Code 49423 in other Scania systems

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