Editorial & technical review
- Written by ApplianceWorth Editorial Team
- Technically reviewed by Victor — appliance technician
- Last reviewed 2026-07-01
- Applies to Bosch refrigerators
- Confidence medium
- Sources Manufacturer service documentation and field-repair experience · Methodology · Report a correction
What this code means
D2 identifies a forced-defrost service mode on this model family. It is not a normal stored failure code.
Most likely causes
- A service or diagnostic mode was activated
Safe checks for the owner
- Allow the mode to finish or power the refrigerator off and back on if it was entered accidentally.
- Arrange service if normal cooling does not resume.
Estimated U.S. repair cost
$0–$0, depending on model, access, parts availability and local labor.