key fob

  1. lo2doorho

    Keyless entry trouble

    99 2 door Tahoe 2wd with factory keyless entry. Had 2 key fobs but only one worked. I changed the battery in the one that didn't work and tried to program it according to the manual with the 8 and 4 pin on the OBD2 port. After attempting this neither one of my key fobs will work now and I've...
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