Defect Code 23

Defect code 23:

•D• 900 Defect code memory: 23 Oxygen sensor heating relay:

Explanation: The oxygen sensor heating relay is activated by the DME control unit I. A detected defect is therefore only stored in the DME control unit I. A defect code is stored when shorts or breaks occur at the relay or on its supply wire.

Troubleshooting: As displayed on screen.