Scania EMS DTC 4223 Charge air pressure sensor T166

EMS Engine Management System · Scania · 2 variants

Code 4223 (decimal). Some diagnostic tools show it in hexadecimal as 107F.

In short

The control unit interprets that there is a short circuit to earth.

Variant 1: Temperature sensor for charge air cooler, short circuit to earth

Applies to: EMS10

What does Scania EMS fault code 4223 mean?

What causes Scania DTC 4223?

How to fix Scania EMS fault code 4223?

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Variant 2

Applies to: EMS S8

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

Code 4223 in other Scania systems

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