what are keyless entry codes to mercury mountaineer 2003

Mike Smith

Asked by Mar 25, 2015 at 02:44 PM about the 2003 Mercury Mountaineer 4 Dr STD AWD SUV

Question type: General

1 Answer


Are you asking what they are... meaning what are they for? There is a numeric keypad on the door to unlock your car with your code. If you are asking what the actual code is, from the factory each is unique. A personal code can be set by owner, but the factory default will always still work, even if changed by owner. The default code is stored in the ECU and can be fetched by a dealer.

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