Scania DCU DTC 515 RAM, internal memory fault

DCU DCU control unit · Scania

Code 515 (decimal). Some diagnostic tools show it in hexadecimal as 0203.

In short

The control unit has detected an internal memory fault.

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

What does Scania DCU fault code 515 mean?

The control unit has detected an internal memory fault.

What causes Scania DTC 515?

- Software error. - Exposure to extensive electromagnetic radiation or other surge voltage.

How does the system react?

The system performs a restart and should then function normally.

What are the symptoms?

Malfunctions may occur.

How to fix Scania DCU fault code 515?

  1. If the fault code is activated occasionally, no action is needed.
  2. If the fault code is triggered frequently, check whether non-approved electrical installations are connected to the vehicle.
  3. Disconnect any such installations.
  4. If the fault persists: renew the door control unit.

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

Code 515 in other Scania systems

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