Scania EMU DTC 8251 Motor and Inverter Pump Internal Diagnostic, Pump detects overvoltage

EMU EMU control unit · Scania

Code 8251 (decimal). Some diagnostic tools show it in hexadecimal as 00203B.

In short

Motor and Inverter pump indicates overvoltage, pump responds with 330 Hz pulse on feedback

Applies to: EMU1 (ECS)

What does Scania EMU fault code 8251 mean?

What causes Scania DTC 8251?

How to fix Scania EMU fault code 8251?

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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 8251 in other Scania systems