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Hi folks! 2002 Sienna XLE owner here - After trying repeatedly to reprogram the wireless door lock control system, nothing happens - as in there is no cycling at end of reprogram. I have tried every method mentioned on this and other forums (door open, 5 times lock/unlock, door closed, open, etc.). I've tried "add mode", "rewrite mode", "confirmation mode". And every time, at the end of my numerous reprogramming attempts, the following does NOT occur: "Integration relay automatically performs the, LOCK-UNLOCK operation 1 to 4 times at 2 sec. interval to inform the operator of the number of the registered codes". Nothing happens, no noise, no cycling, no nothing. The key fobs are fine, I confirmed they send out an RF signal, brand new batteries. If the fobs are good, and the Sienna won't even reprogram (no mechanical response whatsoever at end of "reprogram" attempts), is there a next step(s) I can try that does not require a trip to the shop? Fuse? Disconnect the car battery? Focus on the Wireless door lock ECU? Am I in "prohibition mode" (and how do I get out!)? Accepting all ideas, suggestions, and thoughts :) THANK YOU! (ps, my security light does blink)
 
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