Scania EMU DTC 20517 Vehicle charging inlet box R130, negative contactor, feedback signal, short circuit to earth

EMU EMU control unit · Scania

Code 20517 (decimal). Some diagnostic tools show it in hexadecimal as 005025.

In short

The control unit gives an implausibly low voltage, which indicates a short circuit to earth.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 20517 mean?

What causes Scania DTC 20517?

How does the system react?

How to fix Scania EMU fault code 20517?

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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.