While you wait for answers, we may have found some information which could help you.
Click here for Kenwood Error CodeHow can I fix my Kenwood Radio?
setting the clock on a Kenwood KDC 122P player?
how can i fix my c.d./radio?
How to fix ATT error message on Kenwood car stereo?
Tape stuck. Won't eject?
wiring diagram for kenwood car cd kdc-309a?