Scania EMU DTC 37123 ML 3/2-way valve supply, shorted to high source

EMU EMU control unit · Scania

Code 37123 (decimal). Some diagnostic tools show it in hexadecimal as 009103.

In short

ECU indicates that the ML 3/2-way supply is shorted to high source

Applies to: EMU1 (ECS)

What does Scania EMU fault code 37123 mean?

What causes Scania DTC 37123?

How to fix Scania EMU fault code 37123?

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.