Scania MBS DTC 870 #Not implemented. Open load compressor safety loop supply primary

MBS MBS control unit · Scania

Code 870 (decimal). Some diagnostic tools show it in hexadecimal as 0366.

In short

Passenger area cooling is not functional

Applies to: MBS3 (MBS)

What does Scania MBS fault code 870 mean?

Passenger area cooling is not functional

What causes Scania DTC 870?

Open load on safety loop supply primary digital output

How does the system react?

Passenger area cooling won't be started or is stopped. # Might be updated: Amber warning lamp will be shown in ICL.

What are the symptoms?

Passenger area cooling is not functioning when intended to

How to fix Scania MBS fault code 870?

  1. Check functionality of component and wiring.
  2. Fix wires or change broken component if needed.

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

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