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Angie Jones Posted on Oct 12, 2019

Hummer h3 will not go into program mode to program key fobs

1 Answer

Jun Salazar

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  • Contributor 22 Answers
  • Posted on Oct 13, 2019
Jun Salazar
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Joined: Apr 05, 2008
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5 Related Answers

raygin

Raygin

  • 322 Answers
  • Posted on Apr 07, 2009

SOURCE: How do I program S Type Jaguar key fob Year 2000 Jag ?

Seperate key fobs only can be programmed in the following way.

Turn ignition on/off 8 x times (allow all functions to stabilise) after the 9th on - press a button on both remote fobs. then turn ign. off. use good remote to lock and then try new remote to unlock/lock. sometimes it works first time - sometimes you have to repeat actions. good luck.

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Anonymous

  • 150 Answers
  • Posted on Apr 24, 2009

SOURCE: Programming a key fob

you will need the dealership diagnostic tool to program the remote

Anonymous

  • 986 Answers
  • Posted on Jun 25, 2009

SOURCE: how to program key fob. I have the fobs.

Transmitter Programming Procedure
Close all the vehicle doors.
Insert the ignition key into the ignition lock cylinder.
Press and hold the door unlock switch.
While holding the door lock switch in the unlock position, cycle the ignition ON, OFF, ON, OFF.
Release the door unlock switch. The doors will lock and unlock to confirm the program mode.
Press and hold the LOCK button and the UNLOCK button simultaneously on the transmitter. After a delay of approximately 15 seconds, the doors will lock and unlock to confirm the programming of the transmitter.
Turn the ignition switch to the RUN position in order to exit the keyless entry transmitter mode.
Operate the transmitter functions in order to verify correct system operation.
Good luck

Anonymous

  • 255 Answers
  • Posted on Sep 08, 2009

SOURCE: 2008 Hummer H3 The trackion failed light on

clean abs sensors at each wheel.

Molson02536

Harvey N Tawatao

  • 3854 Answers
  • Posted on Apr 29, 2010

SOURCE: 1999 Chevy silverado z71trying to program a new key fob

Use this procedure for New Body Style.
1. Close all doors
2. Insert key into ignition
3. Hold down the power UNLOCK button on the driver's door panel, continue to hold down
until instructed to release in step 9.

4. Perform steps 5 through 8 in a fairly rapid succession.
5. Turn the ignition to the ON position (as far as you can go without starting the engine.)
6. Turn the ignition to the OFF position.
7. Turn the ignition to the ON position (as far as you can go without starting the engine.)
8. Turn the ignition to the OFF position.
9. Release the power UNLOCK button on the door panel. The vehicle should respond by
door locks locking and unlocking automatically. (If locks do not cycle after you let go,
not before you let go of the unlock button, then the vehicle has not entered programming
mode and you must start procedure over. Remove key from ignition, open drivers door
and return to step 1 ). If the locks do cycle automatically then proceed to step 10.

10. Hold down the LOCK and UNLOCK buttons on the remote until the doors lock and
unlock. This may take up to 30 seconds.

11. Repeat step 10 NOW for each additional remote. (Including any existing remotes).
12. Turn the ignition to the ON position to exit the programming mode.
13. Test remote(s).




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MY HUMMER H3 2008 stays in Limp Mode. Need the software to connect up and reload the ECU. Can anyone help where to source or how to unlock the ECU

Check engine light lit ? Yellow wrench symbol lit ? Your best bet , take it to the dealer . Need J2534 pass through tool or GM factory scan tool to program PCM/ECM , Also need to go to Hummer Oem1stop com To get program software . Limp mode ????? You have no idea what your dealing with . Probably electronic throttle control problem . REDUCED ENGINE POWER mode .
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My key fob stopped working for my 2007 hummer h3 i changed batery n nothing please help

Climb into the vehicle and close the door. Insert the key into the ignition but do not turn on the vehicle.
Hold down the "Unlock" button on the driver's door while turning the key to the right to the "Accessories" position. Continue holding down the "Unlock" button.
Turn the ignition key back to the "Off" position while continuing to hold the "Unlock" button then return the key to the "On" position again. Then return the ignition key to the "Off" position. As you complete this sequence, the doors will lock, and the horn will sound, indicating that you've entered the programming mode. At this point, release the "Unlock" button on the driver's door.
Push both the "Lock" and "Unlock" buttons on the key-less remote and hold them for roughly 15 seconds. Release the buttons when the locks click again.
Insert the key into the ignition and turn it to the "On" position. The horn will honk once more. This indicates the programming has been successful.
Remove the key from the ignition. Climb out of the vehicle and try locking and unlocking the doors with your remote key.
Tip
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I need help with my key fob for 2007 hummer h3 i changrd battery n still will not work

this remote has setting issue after battery replacement, i also face it, the contacts are not well placed due to which remote donnot work many times, only option is to reopen remote and try to set keypad and circuit in a better way so that it starts to work.
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Why will my 2008 hummer H3 door locks with key but will not unlock with key. the key will not turn to unlock

The lock assembly in the door is faulty. It gets tricky since Hummers are no longer in production. Changing the door lock cylinders will get you a different key than the ignition. Any GM dealer should be able to get you the parts.
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Hummer H3 Antitheft. How do I reset it

This may be related to the antitheft system The system is known for turning off the starter and/or injectors when it fails. Is there a light on the dash that says SECURITY? This is a common problem worth looking into. http://www.diy-gm-security.com/
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H3 hummer battery dead and doors would not open with keys 2008

go under it put power to the starter ,it will activate the system
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Starter not working with remote

The remote start isn't compatible with your hummer. The factory security system isn't able to allow a remote starter to work with it , just the way it was designed for security. You can bypass it with a adaptor but you would have to disable your security system. Most professionals won't do that, you can fin a back yard machanic to assist you. But then it affects your insurance rates now that your security system is no longer working. If you can spend the big bucks some professionals can get the viper brand of remote start to work on hummers. I've experienced this with a 07 H3 tried an inexpensive aftermarket starter it worked twice on the 3rd time it would then make my hummer go into anti-theft mode and wouldn't start engine for 10 min, the lights would work on inside it would turn over when I turned the key but it wouldn't start. I took it back to the company that installed it they woul reset it and it woul happen all over again. So I then went to a different company explained situation they again reprogrammed it and told me the last people were setting it with the driver door open so it wasn't going to start without the door open. This time the remote start only worked once then the 2nd try would go into anti-theft mode making me wait 10 min before it would start the engine. I couldn't spend the $ to try a viper brand an they charge you to uninstall them so I have since sold it and just kept the key fobs so the next owners wouldn't have the same trouble. The second company did suggest trying a relay system to see if that would solve the issue but I didn't get a chance to try it, so maybe mention trying the relay system with your currant starter before paying for a expensive system.
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When, a key lock sing blinks on the dash of hummer H3, and will not start, what can i do ?

make sure all windows are closed
get out of the Hummer, using the central lock, lock the 4 doors
close the door
then open it with the KEY
then try to Start the Hummer.
(repeat several times till it works)
I am facing this problem now and that is the only soluttion I found. Untill i buy a new remote key that got stolen :S

In order not to fall in this problem, avoid opening the hummer with the key and directly locking the four doors using the central lock before starting it.
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