Scania EMU DTC 8253 Motor and Inverter Pump Internal Diagnostic, Pump detects high internal temperature

EMU EMU control unit · Scania

Code 8253 (decimal). Some diagnostic tools show it in hexadecimal as 00203D.

In short

Pump indicates high internal temperature, pump responds with 275 Hz pulse on feedback

Applies to: EMU1 (ECS)

What does Scania EMU fault code 8253 mean?

Read the full explanation with Premium

Causes, system reaction, symptoms and step-by-step repair instructions for every fault code are available to Premium members.

  • Full explanations of every code and brand
  • Causes, symptoms and repair steps
  • New brands and codes included

Yearly plan: pay 10 months, get 12. Cancel at any time.

This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.

Code 8253 in other Scania systems

Compare code 8253 in every system →