How To Override Bypass GM VATS Passlock 1 2 Passkey Anti Theft System

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steve eaton: I have a 2001 corvette went through the being stranded issue with blinking Security light. New Keys did not work sprayed computer board cleaner in ignition, try anything. It worked for a day now it starts fine but the security light stays on, what should I do?? Is there a video on how to change on in a c5? My original Key has 593 ohm resistance and the new ones 600, within 10%. Can I drive it with security light on or will it shut me down when it wants to?

Russell Hollingsworth: iv got a 2002 regal the key has been changed to a none chip key what do I do in this case ,, don't have the oem key

Eric Bachmann: First: If you are going to do a How-to video on a GM vehicle, you could have at least used a GM key that actually has the Passkey Chip.
Second: Simply "pretending" that the key has a chip is hilarious!!! Actually testing a GM key with the Passkey Chip would have been WAAAAAAAAY better. JMO
Third: I frequent a Forum where a lot of the members have done this VATS (Vehicle Anti Theft System) bypass. Myself, being in the car audio industry,  I DO NOT recommend this, BUT, If the VATS system is beyond "reasonable" repair, A Bypass may be the only "reasonable" option. I ALWAYS recommend installing an after market alarm system after the VATS bypass has been done. In the video, the guy says the resistance in the key (chip) pellet can be anywhere between 400-15,000 ohms. There are 15 possible ohm values, the lower being 402 and the higher being 11,800.

Chris Quick: Security light on solid for 5 seconds then goes out, engine doesn't turn over. I put a ohm meter across the PK2 key resister and get no reading. Cleaned and Tried front to back, back to front, nothing. Am I to assume the resister is bad? It's the only key for the car. Any suggestion?

Eddie Diaz: There is a recall for this. Get it fixed right & free. 800-762-2737

Danroxye01: About the Passlock Bypass? ( part of an old remote starter package)  I wish to remove it and return to original configuration. I suspect this recently intalled Passlock Bypass to be causing excessive battery drainage. So I am confused on the procedure ( How to do it properly ) . The reason , ever since GM ignition switch recall, GM shop sent me else where to have this generic remote starter reprogramed,  elsewhere garage had to replace Passlock Bypass box, and now, I notice battery drainage and it cant be that new battery I just installed. I got the remote starter out but when I removed the Passlock Bypass out of the saturn Ion I notice car passlock indicator on ( car would start anyway with the indicator on ). Could you please explain a simple procedure ?

Jodi Adams: Here is a permanent fix you can do it yourself

SECURITY BYPASS: This site has a lot of information and can help you beat this problem for far less than the $1000 dealer quote.

reginald kelley: Having a hard time in Chicago finding someone who knows how to do the security foot down with the resistance any suggestions

Jodi Adams: This is the site that helped me.. its easy and a permanent fix :0)

The security, antitheft or lock picture/icon is a visual indication that something in the car's antitheft system is failing.  In most GM cars and trucks there is a hidden system that most people are unaware even exists. From the moment you put your key in the ignition, there begins a constant line of communication between your key's security chip or transponder, to the ignition's lock cylinder, and then to the car's TDM (Theft Deterrent Module). These 3 parts are in CONSTANT communication. If the key is in the ignition, then these parts are sending signals to each other. The security light illuminates when that signal gets broken, even just for a second. When the signal breaks, the car misinterprets this as an attempt at theft and goes into antitheft mode. The car thinks its being stolen or hotwired because it is not getting that signal from YOUR specific key. This is why the security light turns on and shuts down your vehicle. This link explains it pretty well.

Just a Dude: This is a great way to temporarily bypass the security in the key/ignition. If the Theft Deterrent Module is bad, it won't help you at all. If you've tried this and it didn't help, or you are looking for a more complete bypass, go to this link i found. Great information and a permanent way to eliminate this issue for good on your GM.

Brian O: Will an auto repair shop fix this issue, or is this a home fix only situation? I've called a few places and have explained the issue, they understand what the problem is but have said they don't do it at their garage... any help?

Zionist JewTube: If you live in Toronto could you bypass the VATS on my 98 Cadillac Deville?

Ronald Bolden: you can turn this off with HPtuners

Dales channel: Lessco
Ive watched a few videos on this. I want to override/eliminate the passlock system altogether. Are the videos that show cutting the yellow wire and placing a resistor between the yellow wire and the orange/black wire and taping up the excess yellow wire that goes up to the key. Is this the right procedure? and if it is, how do I find what the resistor value should be. The videos say to measure the resistance (after you cut the yellow wire) between the yellow wire and orange/black. I get a reading 3600ohms when I measure on the strand of yellow wire going into the steering column, but when I measure the strand of yellow wire that goes up to the key it registers (infinity). Does that tell you anything?, all the other videos say I should have measurable resistance where I'm measuring infinity.

Dominique Parker: My light stays on, I have 97 malibu, It took a week to start and now it will not start, I lost my keyless entry will that have any effect on the car's ability to start? I left my key in the on position it still will not start.

memph33777: i have repaired the broken wires in my ignition a few times.  this time car wouldnt start and i was getting a code 22 and 58 obd1.  Took apart the lock cylinder and wires were broke.  repaired wires (i think because they were very short) and car would not start like other times but security light would not come back on..  put resistors together for bypass and still wont start.  did bypass 30/50 hz between tdr and ecm and still wont start.  when turning ignition no sound at all.  hooked up remote starter and car will crank but dies after 2 seconds.  fuel pump will whirl and fuel injector noid light flashes some.

Fred .Bo: my key is reading 1.12 i dont know the mathematics of the resistors or what now what do i need and how many ?
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How to Override Bypass GM VATS Passlock 1 2 Passkey Anti Theft System