Scania EMS DTC 4812 Temperature sensor

EMS Engine Management System · Scania

Code 4812 (decimal). Some diagnostic tools show it in hexadecimal as 12CC.

In short

EEC3 has reported via CAN that temperature sensor T158 upstream of the oxidation catalytic converter is defective.

Applies to: EMS S8EMS S8 (S8PDE)

What does Scania EMS fault code 4812 mean?

What causes Scania DTC 4812?

How does the system react?

How to fix Scania EMS fault code 4812?

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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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