EMS 4821 Scania Fault in the exhaust gas aftertreatment management system; a yellow warning indication is displayed

EMS Engine Management System · Scania

Code 4821 (decimal). Some diagnostic tools show it in hexadecimal as 0012D5.

In short

The control unit has received an error message from EEC control unit E67.

Applies to: EMS10

What does Scania EMS fault code 4821 mean?

What causes Scania DTC 4821?

How to fix Scania EMS fault code 4821?

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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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