General Technical & Electrical General technical and electrical discussion for the Ford Ranger that does not fit in any other sub-forum.

pats system work around

Old Feb 2, 2023
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From: ROCK FALLS
Icon5 pats system work around

what Im trying to do is get my 20092 ranger xlt 4x4 up and running. when I bought it it had no keys the lck cylinder was drilled and gone, what im trying to do now is hot wire it and do the resister on the pats wires.Has anybod done this already and can you give me some pointers Thanks in advance.
 
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Old Feb 2, 2023
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Welcome to the forum

It can't be done, people who said they did it were, well exaggerating, lol

Some older car systems and motorcycles did use specific resistor values as anti-theft, PATS is not that

In 2002 Ranger PATS is in the engine computer, it disables fuel injectors as the main deterrent, but also disables fuel pump and starter motor, these last two are not hard to defeat, but no point since there would be no fuel injectors, no work around for that
(Well if you got an "engine monkey", like a trunk monkey, he could pour gas into the engine as you drove around, Google "trunk monkey", I loved those commercials)

PATS uses transponder keys with an RFID tag embedded in the key's handle, no batteries required
Each key has a unique 80 bit "number"
The keys "numbers" are then programmed into PATS memory
When you turn the key on PATS reads the "number" and compares it to the keys in memory, if a match is found engine can be started, no match then no start

A mobile locksmith with Ford software on a laptop can come to the vehicle and cut and program 2 keys, must have 2 keys
Or you can use your own laptop with Forscan software and a USB to OBD2 cable to add keys yourself

Or have it towed to Ford or a Locksmith to have new keys added

You can buy 2002 Ranger Lock set, ignition cylinder, 2 door locks and 2 PATS keys cut for the locks
But you still need the keys added to PATS memory, no way around that


 

Last edited by RonD; Feb 2, 2023 at 11:58 PM.
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