Scania EMU DTC 20565 Contactor unit R126, positive contactor, short circuit to voltage supply

EMU EMU control unit · Scania

Code 20565 (decimal). Some diagnostic tools show it in hexadecimal as 005055.

In short

The control unit states an implausibly high voltage, indicating an open circuit.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 20565 mean?

What causes Scania DTC 20565?

How does the system react?

How to fix Scania EMU fault code 20565?

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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.