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How do I reset or disable the passkey 3 security on my 2004 Buick Rendevous?

Posted by Gregory Fox on


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CJ Rock

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Posted on Mar 27, 2021


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SOURCE: Cigarette lighter does not work for my 2006 Buick Rendevous

i had the same problem with my was # 32 fuse under the hood labeled front auxillary

Posted on Apr 26, 2009



  • 147 Answers

SOURCE: service engine soon light on in 2004 buick

oh thats the change oil light expect it every 3500 to 4500 miles they glow.. you can usually reset it by holding down the trip button with the car off and then turn the key to the II position where everything lights up
so read me >>>>>
Buick Rainier 2004-06, Buick Rendezvous 2002-05 w/o (DIC) Driver Information Center
Turn the ignition to ON without starting the engine. Fully press and release the accelerator pedal three time in five seconds. If the CHANGE OIL SOON’ indicator flashes two times, the system is resetting. Turn the key to OFF, then start the vehicle. If the CHANGE OIL SOON indicator comes on and stays on for five seconds, repeat the procedure.
Buick Rainier 2004-05 wI (DIC) Driver Information Center
The DIC display is located on the instrument panel cluster above the steering wheel. The DIG buttons are located on the steering wheel. Press button with the gas pump symbol to display engine oil life. Press button with the arrow symbol to reset engine oil life display.
Buick Rendezvous 2002-06 wI (DIC) Driver Information Center
To reset Service Reminder Indicator, turn ignition on with engine not running. Press the MODE button until DIC reads oil life left hold SET to reset. Press and hold the SET button until 100% is displayed. You will hear three chimes and the change oil message will go out. If the CHANGE ENGINE OIL’ message comes back on when the vehicle is started, the engine oil life system has not reset. Repeat the procedure.

Posted on May 08, 2009



  • 3113 Answers

SOURCE: 1991 buick park ave. security system set off,

Did you try the drivers door lock cylinder?

Posted on Jul 20, 2009


  • 14 Answers

SOURCE: buick rendevous security light is on and the

You have a BCM issue.
it will have to be replaced.
Take it to a dealer, most independents cannot program new BCMs.

Posted on Aug 07, 2009

Jonah Oneal

  • 14092 Answers

SOURCE: The AWD disable light on my 2006 Buick Rendevous

this is a dealership fix.but FIRST check fuse to AWD.if all is good problem could be in transfer case shift control module or problem could be in speed sensors or shift motor.the dealership has diagnostic equipment to check it out and fix it.

Posted on Dec 13, 2009

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1999 Buick Lasabre no start, no crank and no blinking security light.

You've probably fixed it by this time, but I'll offer this: There's a microswitch in the ignition lock cylinder. When you insert the key, turn it & go past the run, to start position, the PassKey module wants to see the correct resistance from the pellet in your key. If it matches the pre-programmed value, it will complete the circuit of what is known as a "Wheatstone Bridge " in the module, and allow ignition, cranking & fuel systems to operate. If it doesn't see the correct value, it will shut down for like 5 minutes or something, then reset for the next try. The problem is, that after innumerable cyclings of the key, one of the the two wires will separate internally, disabling the system totally. The two wires exit the lower end of the steering column, & are a very shiny white, and orange in color. They terminate in a connector that can be disconnected. Do that. Then take a measurement between the two exposed wires in that little black pellet on your key, with an ohmmeter & obtain a resistor of the same value. Don't worry about the wattage value of the resistor....a 1/8 watt resistor will work just fine, as there is minimal current in the circuit. Insert the resistor into the two wires that go into the wiring harness (Not the two going up into the steering column). If the microswitch was at fault, your problem is now cured, although your PassKey system is now disabled. The upside is that you can now have spare keys made from the cheap blanks without the resistor in them. Good luck.

I have a 2004 Buick Rendevouz, and am having a problem with the Passkey 3 system not engaging the starter. clicks inside the vehicle at two relays and at BCM. starter works with wire to battery

How do you know it's a passkey 3 anti-theft system problem ? Light lit on the insturment cluster ? Padlock car symbol . If the security light is lit ,do you have a scan tool that can read these codes
DTC B2960
DTC B3031
DTC B3055
DTC P1626
DTC P1629
DTC P1630
DTC P1631

Not a code reader for the Engine OBD 2 codes .

Replaced fuel pump on 2007 buick rendevous, replaced battery, both are working, but STILL the car starts and then immediately shuts off...PLEASE HELP!

Anti-theft problem ? Security light lit on the instrument cluster ? Have check for DTC'S - diagnostic trouble codes . The PCM - engine computer disables the fuel injectors .

2007 buick rendevous security light came on and now the car wont start...what could b the problem

It also sounds like you may have a shorted cell in your battery. Have it checked under load. Walmart does it for free.

Good luck,


Passkey 3 disable

How about actually FIXING it? It's really easy. There is NO way to disable PassKeyIII unless you know how to rewrite the software code. If you could disable it, they wouldn't call it anti-theft.

I have just recently got a 98 grand prix. When i got it the remote that came with it didnt work, so i replaced the battery and try it, i was able to lock it but not unlock it, and now the alarm is active....

Put key in ignition, turn forward two clicks (to on). Leave for 10 minutes. Then turn key off, then try to start. Did it reset the security?

If you want to disable the security, entirely bypass it and never worry again about passkey and all its problems, there is a firm that sells a module , easily installed, cost is $190 (vs. about $1000 for the dealer to work on and replace expensive parts in the passkey system). The module mimics the passkey system in signals to the computer, allowing the start circuit and ignition circuit to not be interrupted by passkey. The firm is at Or check this site from a disgruntled Buick owner. It has a link to the newrockies site:

Security light on car wont start

try a reset and let me know.

1) Put the key in the ignition and turn to the "ON" position. Leave it that way for 10 minutes. After 10 minutes turn the key and take it out. Repeat this process (2) more times (3 times, 30 minutes total) This should reset the PASSKEY system to recognize your key.

2004 Buick Rendevous Drain Plug Torque

hand tighten and then turn 1/4 turn with wrench or until snug

I have a 2007 Buick Rendevous. I had an

is the key on the run position(the dash lights should light up) with the motor off?
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