Scania DCU DTC 809 Autocalibration misconfigured in the open position

DCU DCU control unit · Scania

Code 809 (decimal). Some diagnostic tools show it in hexadecimal as 0329.

In short

The auto-calibration function has changed from the previously calibrated end position.

Applies to: DCU3 (DCUA)DCU3 (DCUF)DCU3 (DCUM)DCU3 (DCUR)

What does Scania DCU fault code 809 mean?

What causes Scania DTC 809?

How does the system react?

What are the symptoms?

How to fix Scania DCU fault code 809?

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 809 in other Scania systems

Compare code 809 in every system →