A Lexus CD player will show an error 4 when the laser cannot find or an incorrect disk has been placed in it.
This is a common problem with Lexus VIN numbers below 6L30E 52327 and 6L20E 50830.
• To fix this error, you need to pull out the unit by removing the glove box, unplugging the connector, and then taking out 3 screws.
• Once the player is open, you will see the laser and a gear wheel.
• Simply rotate the gear wheel so the laser hits the disk correctly and put everything back together.
• Now your Lexus CD player should work like new again.
If your Lexus VIN number is greater than or equal to 6L30E 52327 and 6L20E 50830, you should purchase the replacement laser unit since fixing it yourself may not work.

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What causes error 4 on Lexus Cd player?

On these units, the laser unit has no way to detect if there’s something wrong with the disk. Once error 4 pops up, you can be sure that your disk is either dirty or badly scratched. The best solution here is to buy a new disk since cleaning won’t do it this time around.

How long does it take to fix error 4 on the Lexus CD player?

It shouldn’t take more than 10 minutes to fix error 4 and have your Lexus CD player up and running again. All you need is a screwdriver, some patience, and a bit of know-how. If you don’t feel confident enough to do it yourself, you can always take it to a professional.

Is it worth fixing error 4 on the Lexus CD player?

Yes, fixing your Lexus cd player is worth it. It’s definitely cheaper than buying a new one or getting a professional installation. If you are not convinced that you can fix the error yourself, then go to professionals since they can do it in 10 minutes.