[Answered] I need to recover my 2003 Lexus LS's key code

2118 views - Last reply: January 03, 2025
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Looking for my 2003 Lexus LS's key code to program a new key fob

Hello! We've developed a VIN-based tool to help you get your key code for the 2003 Lexus LS. Check it out here: VIN Key Code Generator.

Replies (3)

This forum is more helpful than my dealer. Thanks from a 2003 Lexus LS owner.

Hoping someone can confirm this works for a newer 2003 Lexus LS.

I’m stuck in a parking lot with my 2003 Lexus LS. Trying this now.

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Key Fob Issues
1) Find the seam and pry open the fob (some have tiny screws) 2) Note battery orientation 3) Remove old battery (CR2032 is most common) 4) Insert new battery 5) Reassemble. Test all buttons - if issues remain, the fob may need reprogramming.
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Not recommended. Bypassing requires specialized knowledge and may violate anti-theft laws. Proper solutions: 1) Get correctly programmed keys 2) Replace faulty immobilizer components 3) Have dealer reset the system if keys are lost.
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