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Alarm Ecu with key fob replacement

PatrickPates24
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PatrickPates24 Member

PatrickPates24

Posted
Posted

Hi.

 So Ive been wondering past weeks as I got central locking issue on my 986. Ive replaced both door locks but the issue is still the same my locking button inside the car doesnt work and always light red. Plus the car thinks that my driver side door are always open and wont close the window when shut... ive replaced the locks so that can not be that issue but sometimes it goes up and sometimes it wont. I read somewhere that it will be the alarm ecu box underseat. Also my key fob has horrile range. So my question is ... if I get the exact same alarm ecu box with key fob out another car. Is it going to need some special coding or will it work PaP with the new keyfob that has been working with the replacement ecu in previous car Thanks

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JFP in PA Member

JFP in PA

Posted
  • Moderators
Posted
2 hours ago, PatrickPates24 said:

Hi.

 So Ive been wondering past weeks as I got central locking issue on my 986. Ive replaced both door locks but the issue is still the same my locking button inside the car doesnt work and always light red. Plus the car thinks that my driver side door are always open and wont close the window when shut... ive replaced the locks so that can not be that issue but sometimes it goes up and sometimes it wont. I read somewhere that it will be the alarm ecu box underseat. Also my key fob has horrile range. So my question is ... if I get the exact same alarm ecu box with key fob out another car. Is it going to need some special coding or will it work PaP with the new keyfob that has been working with the replacement ecu in previous car Thanks

 

The immobilizer under the seat is coded to your keys and the DME, it cannot simply be changed out, it requires coding with a PIWIS or PST II.

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Loren Member

Loren

Posted
  • Admin
Posted
7 minutes ago, PatrickPates24 said:

Is there any chance I could code it myself? As piwis is only foe businesses

 

No, you will need a PST2 or PIWIS and IPAS codes for your car.

Any shop with the diagnostic tool and you would need to get IPAS codes from a dealer/OPC.

  • 2 weeks later...

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