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Immobiliser trouble (PATS?)

nelsinho55

New CEG'er
Joined
Feb 16, 2010
Messages
26
Location
Brasil - são paulo
hi guys

i own a 1999 Mondeo 2.5L
my trouble is: it doesn't cranks, and when i turn the key, the light beside the clock stays ON (not flashing, its a solid light) for a minute, them show a code 15 (wrong key)

as the mechanic told me, the ECU "forgot" the transponder key code. why? how?
no one is getting to recode new keys in my ECU, they say its "blocked"
i searched in google and see some mondeos and cougars with this same trouble, but didn't get any help.
 
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