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Re: 2003 Lincoln Towncar Royal Limo PATS
Posted to Technical Discussion Forum on 4/30/2007 1 Reply

hey Ian, i am not 100 percent sure, its been a few years since i have fooled with that model year. i think the key function for that year was in the HEC module, not the PCM.

you will need to obtain your codes and diagnose the module that the key programming ... Login to read more.

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