SUPPORTED VEHICLE DETAILS

Mercury

Make

Grand Marquis

Model

2003

Year
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System PCM
Add-A-Key Yes
All-Keys-Lost Yes
PIN Read None required
Programs Remotes OBP
Resync Available Yes
Notes:

Possible OEM scanner can turn off add key function

Compatible Parts List

Ford/Lincoln/Mercury/Mazda 1996-2017 4-Button Remote
Ford/Lincoln/Mercury/Mazda 4-Button Flip Remote (H74/H86)
Ford/Lincoln/Mercury 4-Button GREY Remote
Tex 4D-63 80-Bit Tag (Wedge) Transponder Chips (AFTERMARKET) [5-Pack]
Ford H72 Transponder Key
Ford H86 / H74 Transponder Key
Ford H92 Transponder Key w/ Aftermarket Chip
Ford H92 Transponder Key w/ OEM Chip
MFK-019 Refill Blades 10-Pack—Ford H75
MFK-HEAD-072 Heads 5-Pack—Ford Style