Scania DCU DTC 1280 Door control unit, internal voltage fault

DCU DCU control unit · Scania

Code 1280 (decimal). Some diagnostic tools show it in hexadecimal as 0500.

In short

The door control unit has detected an internal fault in the control unit or internal voltage supply in the control unit.

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

What does Scania DCU fault code 1280 mean?

The door control unit has detected an internal fault in the control unit or internal voltage supply in the control unit.

What causes Scania DTC 1280?

Internal voltage failure in the control unit.

What are the symptoms?

The system is not working properly, or not at all.

How to fix Scania DCU fault code 1280?

  1. Restart the door control unit by disconnecting the fuse for the electric power supply to the battery voltage for 30 seconds.
  2. Check whether the fault persists when the door control unit is restarted.
  3. If the fault code occurs 1–5 times, no further action is required.

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

Code 1280 in other Scania systems

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