Scania AMS DTC 8379 V117, Reductant doser heater shorted to earth

AMS AMS control unit · Scania

Code 8379 (decimal). Some diagnostic tools show it in hexadecimal as 20BB.

In short

The control unit indicates that the control of the reductant doser heater is shorted to ground.

Applies to: AMS1

What does Scania AMS fault code 8379 mean?

What causes Scania DTC 8379?

How does the system react?

How to fix Scania AMS fault code 8379?

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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 8379 in other Scania systems