Scania EMU DTC 20572 Contactor unit R126, pre-charge resistor contactor, short circuit to earth or open circuit

EMU EMU control unit · Scania

Code 20572 (decimal). Some diagnostic tools show it in hexadecimal as 00505C.

In short

The control unit indicates too low a voltage.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 20572 mean?

What causes Scania DTC 20572?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 20572?

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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.