Scania EMU DTC 36903 RDTR 3/2-way valve supply, data erratic, intermittent or incorrect in ECU

EMU EMU control unit · Scania

Code 36903 (decimal). Some diagnostic tools show it in hexadecimal as 009027.

In short

ECU indicates that some fault detected in driver HW in ECU

Applies to: EMU1 (ECS)

What does Scania EMU fault code 36903 mean?

What causes Scania DTC 36903?

How to fix Scania EMU fault code 36903?

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
Get Premium – 7,50 € / month I already have an account

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 36903 in other Scania systems