EMS 8358 Scania SCR - Main unit

EMS Engine Management System · Scania

Code 8358 (decimal). Some diagnostic tools show it in hexadecimal as 20A6.

In short

The air valve in the SCR main unit has an open circuit or is short-circuited to ground.

Applies to: EMS S6

What does Scania EMS fault code 8358 mean?

What causes Scania DTC 8358?

How does the system react?

How to fix Scania EMS fault code 8358?

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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 8358 in other Scania systems