EvolutionTME Posted August 28, 2015 Share Posted August 28, 2015 Hello All, I have a 2010 Lexus IS250. I have lost all keys for the car. Can anyone advise a Locksmith that can cut a program keys to the car? (I assume he needs special access to the car to reprogram a new key to the car) A Lexus dealer has mentioned to me this costing 1000's due to the ECU having to be replaced. I have done further research and found this not to be the case. A dealer/locksmith with access to the TIS (https://techinfo.toyota.com/techInfoPortal/appmanager/t3/ti) can intiate a challenge response code with the ECU to reprogram a new key to the car. Can someone advise a good dealer or Locksmith in Sydney who would be able to do this? Thanks for the help Quote Link to comment Share on other sites More sharing options...
I CU2 Posted August 28, 2015 Share Posted August 28, 2015 Your immobiliser has to be reset, look up how to reseed it using TIS. Dealers have to contact Toyota HQ in order to get an authorisation code to get TIS to initiate it. I think I recall reading that there were some places online that could do it remotely too but you have to becareful because you might brick your whole car if you don't know what you're doing. Quote Link to comment Share on other sites More sharing options...
Lexus Nerd Posted September 12, 2015 Share Posted September 12, 2015 Your Lexus dealer should have recorded the numeric key code (it's engraved on a metallic tag that comes with the keys when the car is first delivered). If you purchase replacement keys from your dealer, they can encode them using that number. Quote Link to comment Share on other sites More sharing options...
dis-lex-sic Posted October 4, 2015 Share Posted October 4, 2015 The number is only for cutting keys, the metal part. It has nothing to do with coding unfortunately. And the gumtree ad is only good if you still have one key. Quote Link to comment Share on other sites More sharing options...
I CU2 Posted October 4, 2015 Share Posted October 4, 2015 I think OP was one of those one post wonders... I wonder if we'll ever find out what he ended up doing. Quote Link to comment Share on other sites More sharing options...
dis-lex-sic Posted October 14, 2015 Share Posted October 14, 2015 I think the OP was one of those one post wonders... Yep......the one post wonders usually are asking everyone...."how much did you pay???" All that does is drive down everyone's resale values. Then they never come back. Quote Link to comment Share on other sites More sharing options...
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