OBD-II code · manufacturer-specific

B2406

Audio Single-Disc CD Player Internal Fault

What does B2406 mean?

B2406 is defined as “Audio Single-Disc CD Player Internal Fault”.

You can usually keep driving, but have it checked soon so a small fault doesn’t become a bigger one.

The same code can mean something different on some makes.

This page is general information; an exact diagnosis needs measurements and a technician’s check.