A customer brought in a Mazda key and the book called for an EK3-MAZ24. I thought I could use an old MAZ24RT5 that I had on my keyboard, but my cloning machine said it did not have the proper Mazda key chip in it. Why did this happen?
The MAZ24RT5 was used on the 1998-1999 Mazda 626 with a V6. The reason it did not work was that it uses the Phillips Transponder System and the newer vehicles use the Texas Instruments Encrypted Code System.
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