- If you need clarification, ask it in the comment box above.
- Better answers use proper spelling and grammar.
- Provide details, support with references or personal experience.
Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.
Tip: The max point reward for answering a question is 15.
The error 4 in most Sony stereos is an error that comes up when the laser pickup doesn't read the disc correctly. This happens most of the time because of a dirty lens in the laser pickup. If anyone smokes in the vehicle the smoke may be on the lens causing the error code. Try a wet type CD cleaning disc to see if it helps.
The optic inside the CD player may be dirty or damp, this is the part that reads the data from the cd, you can try cd cleaning discs or you may have get an engineer to open it and clean it with an alcohol swab. The optic could also be faulty which will be cheaper to buy a new cd player.