Scania EMS DTC 8742 Atmospheric pressure sensor

EMS Engine Management System · Scania · 3 variants

Code 8742 (decimal). Some diagnostic tools show it in hexadecimal as 2226.

In short

Atmospheric pressure sensor provides an incorrect signal.

Variant 1

Applies to: EMS S7

What does Scania EMS fault code 8742 mean?

What causes Scania DTC 8742?

How does the system react?

How to fix Scania EMS fault code 8742?

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.

Variant 2: Intake air pressure

Applies to: EMS S8

Variant 3: The internal atmospheric pressure sensor in coordinator E30

Applies to: EMS S8 (S8PDE)

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

Code 8742 in other Scania systems

Compare code 8742 in every system →