3-Key Limit?
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Joined: Apr 2013
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3-Key Limit?
I am hearing that PATS or whatever limits me to having only 3 transponder keys.
True?
If so, are there ways around this - short of removing the sensor ring and taping a transponder to it?
I've got an ODB II sensor and ProScan - albeit zero knowledge.
True?
If so, are there ways around this - short of removing the sensor ring and taping a transponder to it?
I've got an ODB II sensor and ProScan - albeit zero knowledge.
Post Fiend
Joined: Jun 2004
Posts: 9,293
Likes: 10
From: Parker, CO
Most vehicles it's a 4 key limit. However on most there's also a way to unlock it with IDS to accept a larger number of keys. Of course this varies by year. I've done it a handful of times on different trucks so I know it can be done. Never used ProScan so I have no idea if that will work or not.
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4 keys works for me, 3 does not.
The 2 keys required to code a replacment key kept at home in a safe place.
One key for the keychain.
One key hidden somewhere on the vehicle in case the keychain is lost.
Tangentially, I am hearing references to a "Tune" (whatever that is.... I'm guessing some sort of mod to the cars computer) that disables PATS altogether..... and I find that idea appealing enough that I would have to look into it the next time I buy a vehicle.
I don't care for the sensing ring removal/relocation with a transponder taped to it because if/when it goes South it's tow truck time.
The 2 keys required to code a replacment key kept at home in a safe place.
One key for the keychain.
One key hidden somewhere on the vehicle in case the keychain is lost.
Tangentially, I am hearing references to a "Tune" (whatever that is.... I'm guessing some sort of mod to the cars computer) that disables PATS altogether..... and I find that idea appealing enough that I would have to look into it the next time I buy a vehicle.
I don't care for the sensing ring removal/relocation with a transponder taped to it because if/when it goes South it's tow truck time.
Hotshot
Joined: Jan 2004
Posts: 19,760
Likes: 1,079
From: St Louis
I am hearing that PATS or whatever limits me to having only 3 transponder keys.
True?
True?
Most vehicles it's a 4 key limit.
There are no 2004-2008 Fords with a 3 or 4 key limit. The lowest is 8 which is the maximum limit for all of the F150s of this era. Some Fords of earlier vintage allow 16.
If in doubt or if more keys cannot be user-added, then the memory is already full (previously programmed keys) and needs to be cleared, then existing keys need to be programmed into the system.
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