Scania EMU DTC 20596 Contactor unit R126, high electric power consumption in pre-charging of bodywork

EMU EMU control unit · Scania

Code 20596 (decimal). Some diagnostic tools show it in hexadecimal as 005074.

In short

The current through the pre-charge resistor is higher than expected.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 20596 mean?

What causes Scania DTC 20596?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 20596?

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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.