Scania OCS DTC 26864 Charge air system

OCS OCS control unit · Scania

Code 26864 (decimal). Some diagnostic tools show it in hexadecimal as 0068F0.

In short

The mass flow rate at the throttle valve and mass flow sensor has been too low.

Applies to: OCS1

What does Scania OCS fault code 26864 mean?

The mass flow rate at the throttle valve and mass flow sensor has been too low.

What causes Scania DTC 26864?

Fault in the mass flow sensor, harness-to-harness connectors or cable harness.

How does the system react?

A yellow warning indication is displayed.

What are the symptoms?

The fault affects engine performance. It is difficult to start the engine. Engine emissions are affected.

How to fix Scania OCS fault code 26864?

  1. Check and rectify other fault codes related to the charge air system.
  2. Check the mass flow sensor and also the harness-to-harness connector and cable harness.
  3. Renew the mass flow sensor.

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