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

Need to circumvent the immobilizer

Old Apr 11, 2008
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Icon14 Need to circumvent the immobilizer

I got a 2000 ford ranger with the key chip my niece lost it but my brother found the spare without the chip and try to bypass it now ford want 1000 bucks to fix it, is there anyway to bypass this security system?
 
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Old Apr 11, 2008
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Nope. Not without the original keys. The bypass unit communicates with the PCM over a network and unless you know that protocol and how to use it you can't override it.

It's Ford for you, I'm afraid. Your niece owes you I think?... ... I can see your dishes getting done, the house cleaned, yard mowed for a very long time, lol.
 
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Old Apr 11, 2008
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i found the keys

but it wont program man damn i hate that chip
 
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Old Apr 11, 2008
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Ouch.
 
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Old Apr 11, 2008
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wait they charge 1000 dollars to program keys because i only have one and need to get more made
 
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Old Apr 11, 2008
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I was charged like $130ish for 2 new keys and programming.
 
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Old Apr 11, 2008
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no i think my bro messed some module in the security system up so theres other stuff going on thats why i just want to bypass that system
 
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Old Apr 11, 2008
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Ah, your brother owes you also. He obviously had no clue if he even attempted it. He probably applied voltage to a communications line and fried the drivers.
 
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Old Apr 11, 2008
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ha lucky you!
 
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Old Apr 11, 2008
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chryslers and gms program this way so try this and see if it works...

put that key in the ignition and turn it to the on position and let it sit for 15min. It should learn the frequency from the transponder thats atleast how it works on other cars i have worked on.
 
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Old Apr 11, 2008
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That's not a very secure system, Peter. That means if I have any key with a transponder and a non-transponder key I can turn on the vehicle with the non and just hold the other one there until it learns it, then start the vehicle. If I can jimmy the wires, I don't even need a key cut for the vehicle, just any transponder from the manufacturer.

I don't like that at all. Fortunately, that won't work with our system.

Plus, it appears his brother burned out the PATS unit.
 
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Old Apr 11, 2008
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Did the dealer tell you which part they intend to replace?

If is just the PATS transceiver or PATS module that is bad, you should be able get one fairly inexpensively from a junkyard (look for a 99~2000 V6 Ranger - parts from other years won't work with your PATS).

If you install a replacement PATS Module (above the glovebox forward of the PS airbag), you will have to pay a dealer to introduce the replacement PATS Module to your PCM and introduce your keys to the PATS module. That should be around $100 or so plus the part and the tow. Expensive but obviously way better than paying $1000.

If you replace the PATS transceiver (on the steering column under the ignition lock), it should work without any help from the dealer.
 
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Old Apr 11, 2008
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Bob, could the tampering attempt have damaged the PCM in some way? Would that account for the cost maybe?
 
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Old Apr 11, 2008
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Originally Posted by n3elz
Bob, could the tampering attempt have damaged the PCM in some way? Would that account for the cost maybe?
I don't think the PCM would be in danger unless the brother/perp did something really foolish. I'm visualizing a bunch of cut wires and possibly a smoked PATS module. The dealer probably built in a good $$$ cushion to be sure they had their time covered. I would in a situation like that - too many unknowns.
 
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Old Apr 11, 2008
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From: The ILL State
Originally Posted by n3elz
That's not a very secure system, Peter. That means if I have any key with a transponder and a non-transponder key I can turn on the vehicle with the non and just hold the other one there until it learns it, then start the vehicle. If I can jimmy the wires, I don't even need a key cut for the vehicle, just any transponder from the manufacturer.

I don't like that at all. Fortunately, that won't work with our system.

Plus, it appears his brother burned out the PATS unit.
although its very unlikely someone will have an identical cut key as your truck though...
 
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Old Apr 11, 2008
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Yes, but the whole point is that the cut of the key isn't the ONLY security. The system you described is nearly useless in terms of adding any security for anyone who knows the "secret".
 
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Old Apr 11, 2008
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no he only removed the sensor in the steering colum
 
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Old Apr 14, 2008
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Originally Posted by n3elz
Yes, but the whole point is that the cut of the key isn't the ONLY security. The system you described is nearly useless in terms of adding any security for anyone who knows the "secret".

right but to get into programming mode you would still need the other TWO keys...
 
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Old May 13, 2008
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hey guys it was the pats and i want to thank all of you for your help in this matter if you guys ever need some good advice lemme know im about to start working at a ford dealer
 
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Old May 14, 2008
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i looked into gettin a spare key for my truck. the first spare is like 130 bucks and after you have 2 keys w/chips, u can use any spare key in the ignition (ones without a chip). its wierd, thats ford for ya.
 
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Old May 14, 2008
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Originally Posted by mazzman
i looked into gettin a spare key for my truck. the first spare is like 130 bucks and after you have 2 keys w/chips, u can use any spare key in the ignition (ones without a chip). its wierd, thats ford for ya.
Uh no you can't. I have 2 spare keys and then just a spare metal key to unlock the doors, that metal key will not start the truck.
 
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Old May 15, 2008
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Once you have 2 "original" keys it just gets easier to program the keys and you can do it yourself. The other keys still need to have a chip and need to be programmed. You can even buy keys on ebay take them to a locksmith and get them cut for cheap and program it yourself. The 2 "originals" are expensive though, anywhere from $100-$150 from the dealer.
 
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Old Oct 20, 2019
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If it is the Lima you could always just carbeurate
 
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Old Jun 12, 2020
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Go to Ford for code

Originally Posted by mossyoak1992
wait they charge 1000 dollars to program keys because i only have one and need to get more made
.
Ok, I just talked to Ford, if I go up there (uber taxi whatever) with all my info proving it's my truck they will give me the code no. to clear the f___d up anti theft. Also you could get the code for key probably and go to lowes and get a key made for around 80 dollars.
 
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Old Jun 12, 2020
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Originally Posted by Tanya
.
Ok, I just talked to Ford, if I go up there (uber taxi whatever) with all my info proving it's my truck they will give me the code no. to clear the f___d up anti theft. Also you could get the code for key probably and go to lowes and get a key made for around 80 dollars.
Ford has the Cut Code for the key's notches and valleys, so they can make a key that fits the vehicles locks based on the VIN, but they usually don't have this for Fords over 15 years old

1999 and up Rangers used a Transponder key, so while a Ford Dealer can cut a transponder key for a vehicle to open its doors, it won't/can't start the engine unless that new transponder key is added to the PATS system using a laptop with Ford programming software plugged into the vehicle.
Only exception is a 2005 Ranger which didn't have PATS, Ford skipped that one year

If someone told you different then they are mistaken, or pulling your leg
 
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