Scania AMS DTC 8291 EEC, control unit for exhaust gas aftertreatment, low voltage

AMS AMS control unit · Scania

Code 8291 (decimal). Some diagnostic tools show it in hexadecimal as 2063.

In short

The battery voltage in the EEC control unit is too low when the engine is running.

Applies to: AMS1

What does Scania AMS fault code 8291 mean?

What causes Scania DTC 8291?

How does the system react?

How to fix Scania AMS fault code 8291?

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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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