Scania EME DTC 4721 Outdoor temperature sensor T27 or charge air temperature sensor T121

EME EME control unit · Scania

Code 4721 (decimal). Some diagnostic tools show it in hexadecimal as 1271.

In short

The calculated charge air temperature is based on the outdoor temperature sensor value.

Applies to: EME1

What does Scania EME fault code 4721 mean?

What causes Scania DTC 4721?

How does the system react?

What are the symptoms?

How to fix Scania EME fault code 4721?

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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.

Code 4721 in other Scania systems

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