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You listed this in the auto section, so I'm not sure just where you have the problem. When you receive an error like this and you've tried several disks with the same result it means your CD player is bad and must be replaced.
E20 : Focus Error Cause(s): The CD player cannot focus on the disc or there is an internal focus problem. Correction(s): Try cleaning the disc or using a new disc. Make sure the disc is loaded correctly. The road could be too rough or there is too much humidity. If the problem is not corrected, service the unit at an ACDelco Service Center.Information provided by http://www.carforums.net/showthread.php?t=11338
E20: Focus Error
Cause(s): The CD player cannot focus on the disc or there is an internal focus problem.
Correction(s): Try cleaning the disc or using a new disc. Make sure the disc is loaded correctly. The road could be too rough or there is too much humidity. If the problem is not corrected, service the unit at an ACDelco(R) Service Center
CD Errors · E20 or CHECK CD : Cause(s): The CD player cannot focus on the disc or there is an internal focus problem. Correction(s): Try cleaning the disc or using a new disc. Make sure the disc is loaded correctly. The road could be too rough or there is too much humidity.
If your player is an AC Delco giving you the e20 error and only on your burnt discs the lens is probably not shot. It's just very dirty and can only read professional grade CDs. The remedy is to open the CD player and clean the disc with 70% Isopropyl Alcohol.
You will need a small adjustable wrench or ratchet set as well as a T-7 torx bit. You only need to remove the bottom of the player and the front piece in order to get to the CD player inside. Unscrewing other screws will just lead to having to more to reassemble. Once you get to the heart of the CD player you will need to release it by unscrewing the torx screws and then turning the player over and you will see the lens. Put some alcohol on a q tip and gently rub the lens a few times. then reverse all disassembly and put the player back together.
When you reinstall the CD player it should play all of your CDs
ALSO be sure to disconnect the negative in the battery before removing any electric devices to prevent short circuiting. And only reconnect it after you have reinstalled the CD player.
error code 20The CD player cannot focus on the disc or there is an internal focus problem
you can try another disc
since you had an accident then my guess would be an internial problem
hope this helps
Hello! The "E20" error code loosely means that the CD player cannot focus, or read the disc properly. This could be from a number of reasons, dirty pickup lens, dirty/scratched disc, excessive humidity, or using a burned/copied CD that was burned at a speed that was too fast to provide a "deep" enough burn to the disc. And lastly, I know GM's Delco radios in the late 90's had issues reading CD-RW's; but read CD-R's fine (if burned slow enough)
My first suggestion would be to see if this happens on all CD's - originals and/or burned ones. If it only happens on burned/copied discs - I'd recommend slowing down the burn speed to no faster than 16x and retrying. If it does happen with both types of discs, then I'd purchase a CD lense cleaner and run that through a couple of cycles.
Hope this helps and good luck! Thanks for using FixYa!
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