keys keep losing program

Sandra Lewis

Asked by Jun 09, 2016 at 07:13 PM about the 2012 Ford Focus SE

Question type: Maintenance & Repair

Will not start my car

2 Answers


Have these keys been programed by a "locksmith" or are they the OEM factory keys... keys don't lose programming the Vehicle does and its NOT common. These are transponder (transmit and receive) keys Ford uses an ** bit unit, there are "remotes" which are separate from a KEY, and are programed and FOBS which can contain a laser cut key or flip out key as well as act as a proximity key, PUSH button start and unlock features in use the last 10 years. SO , the '12 Focus has a factory PATS system which will not allow a CRANK, rotation of Engine to START and run, when key is turned? Who said the Keys are losing / lost there programing the Ford dealer? do you have a remote that is functional? lock, unlock etc. Regards


I have an 2012 Focus and OEM key keeps getting a 'key not detected' alarm. A second key made by a Dealer works all the time. The problem key may or may not work. Changed the battery in it and same problem. Any ideas?

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