Scania AMS DTC 8435 Downstream reductant dosing unit injection valve is stuck closed

AMS AMS control unit · Scania

Code 8435 (decimal). Some diagnostic tools show it in hexadecimal as 0020F3.

In short

The system can not detect any injector needle motion on the downstream dosing unit.

Applies to: AMS2

What does Scania AMS fault code 8435 mean?

What causes Scania DTC 8435?

How to fix Scania AMS fault code 8435?

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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.