Scania EME DTC 6674 LNG heat exchanger monitor disabled

EME EME control unit · Scania

Code 6674 (decimal). Some diagnostic tools show it in hexadecimal as 1A12.

In short

Error on ambient temperature sensor, engine temperature sensor or rail temperature sensor, or error in communcation with OCS or GSC.

Applies to: EME1

What does Scania EME fault code 6674 mean?

What causes Scania DTC 6674?

How does the system react?

What are the symptoms?

How to fix Scania EME fault code 6674?

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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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