Scania MBS DTC 839 Primary temperature sensor for passenger area, implausible value

MBS MBS control unit · Scania

Code 839 (decimal). Some diagnostic tools show it in hexadecimal as 0347.

In short

The primary temperature sensor for the passenger area displays an implausible value.

Applies to: MBS3 (MBS)

What does Scania MBS fault code 839 mean?

What causes Scania DTC 839?

How does the system react?

What are the symptoms?

How to fix Scania MBS fault code 839?

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 839 in other Scania systems

Compare code 839 in every system →