Question about 1999 Cadillac DeVille

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MY 1999 CADILLAC DEVILLE CAR CRANKS BUT WONT START, I THINK THE SECURITY SYSTEM MAYBE DISABLING FUEL, HOW DO I BYPASS THIS?

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  • lissa96 Feb 13, 2009

    My boyfriend is going thru the same thing. He replaced the key, but it still doesn't wanna work.

    can someone call me? 216-856-1967

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More likely it is the spark plugs and the engine is mis-firing... take them out and check them

Posted on Aug 12, 2009

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If your key has a chip in it, then you can follow this write-up and bypass the whole system. This was the only thing that worked to me: http://newrockies.ca/vatsbypass

Posted on Feb 10, 2010

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Dec 29, 2015 | Cadillac Cars & Trucks

1 Answer

99 deville that wont start because security light on and car wont start now


Is possible that ypu need to reset the security system, I suggest check on the 1999 Cadillac Deville Owners Manual this procedure.

Hope helps.

Apr 09, 2013 | Cadillac DeVille Cars & Trucks

1 Answer

How do you fix a 1990 cadillac coupe deville anitheft system


Yes, go to this link for 2 different ways to bypass your antitheft system.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

May 03, 2012 | 1983 Cadillac DeVille

2 Answers

Car turns over but no start,So far I unhooked exhaust to check for plugged convertor,pulled plugs & checked spark (keep loading up with fuel)shorted out temp.control sensor to fool computer to think it...


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

It works for:
Any GM or Isuzu Vehicle with VATS or PASSKey or PASSLock security systems.
If your car has the chip in the key or in the lock cylinder, then you can save it with this Full Bypass.
Trucks
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GMC/Chevy
1998-2006 S10/T10/Sonoma
/Blazer/Jimmy
1998-2007 Suburban/Avalanche
/Tahoe/Yukon
1998-2006 Sierra/Silverado
2002-2008 Trailblazer
2003-2006 SSR
1998-2006 C1500/C2500/C3500
1998-2006 K1500/K2500/K3500
2003-2007 Hummer H2
.
Isuzu
1998-2000 Hombre
2005-2006 I280/I350
2007-2008 I290/I370
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Cars/Vans
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Isuzu
2003-2007 Ascender
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Pontiac
1994-2003 Grand Prix
1998-1999 Montana
2006 Torrent
1996-2005 Grand AM
1994-1998 Trans Sports
1988-1999 Bonneville
1988-2002 Firebird
1995-2005 Sunfire
1996-2002 Trans Am
.
Buick
2004-2007 Rainier
1994-2005 Century
1993-2004 Regal
1982-1999 LeSabre
1991-1996 Park Avenue / Ultra
1994-1996 Roadmaster
1991-1996 Roadmaster Estate Wagon
1982-1999 Riviera
1988-1991 Reatta
1996-1998 Skylark
1982-1990 Electra (all models)
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Oldsmobile
1996-1998 Achieva
1999-2004 Alero
1994-2004 Aurora
1998-2004 Bravada
1991-1993 Delta 88
1994-1999 Eighty-Eight
1991-1996 Nighty-Eight
1998-2002 Intrigue
1990-1992 Toronado
1994-1997 Cutlass Supreme
1997-1999 Cutlass
1997-1999 LSS/Regency
1997-1999 Silhouette
1991-1996 Custom Cruiser
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Chevrolet/GMC
1998-2005 Astro/Safari
1998-2008 Envoy
2005-2006 Equinox
1998-2007 Savana/Express
1995-2005 Monte Carlo
1997-1999 Venture
1995-2001 Lumina
1988-2002 Camaro
1995-2005 Cavalier
1982-2004 Corvette
1994-1996 Caprice/Caprice Wagon
1995-1996 Impala SS
2000-2005 Impala
1997-2005 Malibu Classic
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1986-1993 Allante
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Feb 03, 2011 | 1994 Cadillac DeVille

1 Answer

Pulled into a gas station to get gas, shut car off and will not start. the car cranks but will not start. Put new fuel filter in but no help.


check fuel psi check for spark check battery out put and check charging system it maybe a starter also.goodluck

Jan 17, 2011 | 1993 Cadillac DeVille

1 Answer

My 1986 cadillac deville cranks over but wont start what could it be?


It should be either no Spark or no Fuel.
Possible causes: Out of gas, no oil pressure, faulty oil pressure switch, Bad fuel-pump, fuel-pump relay, needs tune-up, defective ignition control module, wrong air/fuel ratio, defective IAC valve or EGR valve.
Other causes: Wrong timing, bad compression, or clogged CAT.

May 14, 2010 | 2001 Cadillac DeVille

2 Answers

My Cadillac security light


The security system (VATS/PassKey) is having problems, it's typical on those cars. You can find a great write-up here: http://newrockies.ca , it was the only thing that saved my Park Avenue.

Jul 23, 2009 | 1995 Cadillac DeVille

1 Answer

When i try to start the car the security light comes an the car wont start.


You likely either need to replace the lock cylinder or bypass the security system.

Mar 12, 2009 | 1994 Cadillac DeVille

1 Answer

Car wont start


as long as security theft system is on, car wont start.

don't you have the remote key to disable the theft system?

you can bypass security but you have to have wiring experience and splicing before you can proceed.

tnx 4 using fixya,

drcool

Oct 14, 2008 | 2000 Cadillac DeVille

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