Scania EME DTC 257 Intake air mass flow sensor T126

EME EME control unit · Scania

Code 257 (decimal). Some diagnostic tools show it in hexadecimal as 0101.

In short

Incorrect measurement value for intake air flow.

Applies to: EME1

What does Scania EME fault code 257 mean?

What causes Scania DTC 257?

How does the system react?

How to fix Scania EME fault code 257?

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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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