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And on my cadillac the secret light is on also you turn the key and I get one click so I bypassed the computer it will start then die like I was using the wrong key

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  • Cadillac Master
  • 12,502 Answers

You mean security light ? This vehicles anti-theft system will disable the fuel injectors if a problem exsits ! The anti-theft system is software programmed into the vehicles computer system . If the light is on it's not going to start . You can't hot wire it or by pass it . To fix it you need to find out what code is stored in the module that controls it , and then diagnose an fix the problem . Most usually the dealer !

Posted on Dec 16, 2016

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Posted on Jan 02, 2017

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hotrodtod38
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SOURCE: my cadillac keeps dieing .

fuel fiter or fuel pump may just need a tune up

Posted on Feb 15, 2009

  • 1915 Answers

SOURCE: 2003 chevy inpala one just

Gm's around this time are notorious for having problems with electrical systems and the factory alarms, you need to look at that issue-

http://www.carcomplaints.com/Chevrolet/Impala/2002/electrical/

I have personal experience with a 2005 Impala, a 2001 Intrigue and 2003 Grand Am, to name a few in which I bypassed the security module because of erratic things similar to what you are describing. This can be accomplished by putting a resistor in line to the feed from the ignition switch to the module-

Posted on Jan 02, 2011

skychief2001
  • 21873 Answers

SOURCE: bypassing 92 cadillac deville vats system

There are ways to bypass the system, but without knowing what the correct resistance in the chip is, its not going to be easy or cheap.
There are a dozen or so different chips, each with a different resistance. The resistance completes the circuit for the VATS system sensor. You can buy a trick box to wire into the circuit, or have the computer changed to skip the VATS signal.
As long as the computer you have now does not get the signal from the VATS the injectors will not work.

Posted on Jul 18, 2013

Testimonial: "if i was to wire in a push button start would it work im pretty sure it has a bypass "

  • 12502 Answers

SOURCE: 2004 Cadillac Deville turn the key to the start position and all it does is click it does not start today's lights go out

Do Voltage drop testing on starter circuit . Starter Voltage Drop

Posted on Jul 17, 2016

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2 Answers

My 1990 caddilac fleetwood wont start after i hit a bump a tore off the exhaust the security light keeps flashing what is wrong


COULD BE BYPASS KEY MODULE, TAKE IT TO A SHOP THAT CAN FIX IT. WE USE TO GET A
LOT OF THOSE AT MY SHOP BACK IN THE DAY.

Sep 29, 2016 | 1990 Cadillac Fleetwood

1 Answer

1991 Cadillac DeVille (has 110,000 miles on it) suddenly dies while driving. Starts and idles fine, but shuts off after driving only 1-2 blocks. What's wrong and how do we fix it?


There are many things that can contribute to this problem. It sounds like it may be ignition related. Possibly an ignition control module or ignition coil. The check engine light coming on while driving is the key to finding the problem. The light comes on when the computer finds a problem and will then store it in its memory. Have the codes checked for what the computer has found to be at fault and with a little diagnostics, should lead you to the problem

Jan 06, 2016 | 1991 Cadillac DeVille

2 Answers

2002 Seville won't start with key but will start with remote


This may be related to the antitheft system. The remote start bypasses this system so the vehicle will start without reading the key. You have a failing secuirty system. The system is known for turning off the starter and/or injectors when it fails. Normally when the injectors are turned off, the car will run for a second or two, and then stall. When it's the security locked out starter, you won't even hear a click when you turn the key. Is there a light on the dash that says SECURITY or a picture of a car with a lock through it? This is a common problem worth looking into. Do It Yourself GM Security bypass
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25406816-p5gn0s2jo44dkhw0s1rtkrnt-4-2.jpg

Feb 08, 2015 | 2002 Cadillac Seville

1 Answer

I have a 1999 sunfire gt and it starts runs for a second and dies,my anti theft light on my dash is not blinking it just stays on,does anybody know a way to bypass the anti theft so that my car will r


Yes, unfortunately this is very common on GM vehicles. Go to this link for everything you need. Rule of thumb is this. If the light is flashing, the problem will be In the ignition or the smart transponder key. If the light is solid, the problem is in the TDM (theft deterrent module). This is the main computer for the theft system. There is a full bypass method on this link listed under PERMANENT FIX. This is what you will need. It will bypass every aspect of the system 100%.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

Mar 28, 2012 | Cadillac Eldorado Cars & Trucks

2 Answers

Light came on it said theft sys


Your theft system is enabled. The car will only start and die if it will even start at all. More than likely it just turn over and wont start and this light is flashing you in the face. You need a new passlock sensor. It is located in the steering column and is part of the ignition switch lock cylinder. The lock cylinder must be replaced as a unit with the passlock sensor and match your existing key code so they will need the key...OR if you have a TOP NOTCH lock smith in town, take him your original key and they can program a small modual to match your key that plugs into the passlock sensor main wiring harness ( going to the computer and not the steering column ) at the base of the steering column to bypass the one in the ignition housing. I know they make them because I have put 4 in over the last 2 months. 2 pontiacs, 1 cadillac, and 1 chevy tahoe. It beats the heck out of tearing the steering column apart!

Aug 02, 2011 | Pontiac Grand Am Cars & Trucks

1 Answer

Tcs light shows and car wont start


It's when the security light starts flashing that the infamous "chip" in the key becomes a nightmare to many. Gradually the car begins not cranking anymore or if it cranks it would start and die in a second. Randomly it will do this more and more often until it won't start anymore. VATS, PASSkey and Passlock immobilizer systems are killing cars all over North America, they have a short lifespan and are certainly more effective against owners than thieves. Here is how you save your car
1st trick, (if not starting) turn the key forward 2 clicks till right before it would normally start, leave like that for 10 minutes. ( no less ) After 10 minutes, turn key back then forward and your car might start. I did this in my regal for more than a year. If its shuting down while running, im sorry i have no quick fix...

Cheap fix: Bypass the chip in your key. Temporary, but effective. Until the TDM (theft deterrent module) in the dash poops out, then you're kinda screwed. I was told that these types of key security systems have a 7-10 year life span. Sucks for us. This link explains the "Key Issue" pretty well.
----- http://vats.likeabigdog.com/


Never worry again fix: Bypass the whole VATS/Passlock/passkey I or passkey II system entirely. Literally take it out, and throw it away. I just did this in my Regal. Took about an hour. Took longer to find the thing than it did to fix the problem. For a list of cars effected by this problem. See the NEWROCKIES link on the right side of their page......... They sell a unit for 200 bucks to totally bypass this system FOREVER. life time-money back and all that. Finally did this in my car. Well worth the 200 if you've looked into getting this replaced... Anywhere from 600-1000 bucks.
----- http://newrockies.ca?ap_id=judd0081
----- With this fix, you can take that whole Vats, passlock, passkey **** system out of your car all together. Good info on both sites

Jan 15, 2011 | 1998 Cadillac Catera

1 Answer

1990 cadillac deville try to start an security code comes on wont start


The problem might be your Vats security system. This causes the car to either "not start" or "shut down" while running, or start for 5 seconds and then die. (depending on the system) If the security light flashes, i guarantee that this is what the problem is. 1st trick, (if not starting) turn the key forward 2 clicks till right before it would normally start, leave like that for 10 minutes. ( no less ) After 10 minutes, turn key back then forward and your car might start. I did this in my regal for more than a year. If its shuting down while running, im sorry i have no quick fix...

Cheap fix: Bypass the chip in your key. Temporary, but effective. Until the TDM (theft deterrent module) in the dash poops out, then you're kinda screwed. I was told that these types of key security systems have a 7-10 year life span. Sucks for us. This link explains the "Key Issue" pretty well.
----- http://vats.likeabigdog.com/


Never worry again fix: Bypass the whole VATS/Passlock/passkey I or passkey II system entirely. Literally take it out, and throw it away. I just did this in my Regal. Took about an hour. Took longer to find the thing than it did to fix the problem. For a list of cars effected by this problem. See the NEWROCKIES link on the right side of their page......... They sell a unit for 200 bucks to totally bypass this system FOREVER. life time-money back and all that. Finally did this in my car. Well worth the 200 if you've looked into getting this replaced... Anywhere from 600-1000 bucks.
----- http://newrockies.ca?ap_id=judd0081
----- With this fix, you can take that whole Vats, passlock, passkey **** system out of your car all together. Good info on both sites

Jan 03, 2011 | 1990 Cadillac Deville

2 Answers

How do u disable a 94 cadillac deville anti theft system


U can bypass it (called the VATS system) but not fully disable it, what is done mimics the key code to fool the VATS module into sending a OK to start signal to the fuel injection computer (called the ECM). go to the web link below for instructions on the bypass.

http://vats.likeabigdog.com/

Oct 29, 2010 | 1994 Cadillac DeVille

2 Answers

1991 cadillac deville fuel problem


fuel pump relay is in engine compartment on drivers side under the flap the two relays that are together ,it is the bottom relay,,u cant by pass.if relay is good ,if it clicks when turning over and key on and off (it should click and go off if key is turned on) then use a test light and ground it find wires going to top of tank and probe wire have some one turn key on ,it should light up test light and go off ,if this happens ,replace fuel pump

Jul 03, 2009 | 1990 Cadillac Deville

1 Answer

L.e.d reads starting dissabled do to thief system


THE KEY HAS A CHIP INSIDE IT TO PREVENT THEFT. IF THIS KEY HAS THE WRONG RESISTANCE VALUE THEN IT WILL NEVER START. IF THE KEY IS A DUPLICATE, THEN YOU MAY NEED TO GO TO THE DEALER WITH PROOF OF OWNERSHIP AND THEY WILL BE ABLE TO MAKE A NEW KEY. I COULD BYPASS THE MODULE BUT SOME SECRETS ARE ONLY FOR THE PROS. IT WOULD BE A BREACH OF SAFETY AND SECURITY TO INFORM YOU OF THE BYPASS SEQUENCE. I WOULD ASK MY CUSTOMER FOR PROOF OF OWNERSHIP BEFORE ATTEMPTING THIS PROCEDURE. SORRY, BUT I AM SURE THAT THIS ANSWER DOESN'T HELP MUCH. BEST OF LUCK TO YOU. THANK YOU FOR AN HONEST RATING AND FOR USING FIX-YA.

May 11, 2009 | Cadillac Seville Cars & Trucks

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