Scania MBS DTC 514 MBS control unit, overloaded software

MBS MBS control unit · Scania

Code 514 (decimal). Some diagnostic tools show it in hexadecimal as 0202.

In short

Overloading of the control unit's processor has been detected.

Applies to: MBS3 (MBS)

What does Scania MBS fault code 514 mean?

Overloading of the control unit's processor has been detected.

What causes Scania DTC 514?

- The control unit's communication with other devices does not work as expected. - Fault in the control unit software.

How does the system react?

The main body system (MBS) can perform a restart of the control unit in certain instances.

What are the symptoms?

When the main body system is restarted, some buttons and the ceiling lighting stop working.

How to fix Scania MBS fault code 514?

  1. If the fault code is activated 1-5 times: no action is necessary.
  2. If the fault code is generated repeatedly: check other nodes in the CAN network and the CAN bus cable harness.
  3. If the fault persists: Renew the control unit

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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