Question about 2005 Hummer H2

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2005 H2SUT does not start

I have a 2005 H2SUT with is showing two alarms
1-Passlock
2Check Engine light

I did folow the owner manuel but after 10 minuts the truck still not start

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  • jaimeculada Sep 25, 2009

    Could you please let me know the number os sensor and reference number so I can order to be replaced? If any one have change this can you let me know the spare part numbers.

    Regards
    Dias, Jaime

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  • 375 Answers

For this car, check engine light mainly means sensor failure. Chech the Car's onboard computer or the ECU. One or more sensors have failed.
Please contact a Mechanic for the Passlock issue. This is a failure of the Anti-Theft System.
Thank you Sir, Have a nice day.

Posted on Sep 24, 2009

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Posted on Jan 02, 2017

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How do i reset the alarm on my 2003 Chevy Trailblazer...I can't stay my truck.


Hello Narisol,


Excerpt from the 2003 Owners Manual.


Passlock

Your vehicle is equipped with the Passlock theft-deterrent
system. Passlock is a passive theft-deterrent system.
Passlock enables fuel if the ignition lock cylinder is turned with a valid key. If a correct key is not used or the ignition lock cylinder
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check the fuse. See Fuses and Circuit Breakers on page 5-85.
See your dealer for service. In an emergency, call the M
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Excerpt from the 2003 Owners Manual.

Testing the Alarm The alarm can be tested by following these steps:
1.
From inside the vehicle, Iower the driver's window and open
the driver's door.
2.
Activate the system by locking the doors with the power door
lock switch while the door is open, or with the remote keyless entry transmitter.
3.
Get out of the vehicle, close the door and wait for the SECURITY light to go out.
4.
Then reach in through the window, unlock the door with the manual
door lock and open the door. This should set off the alarm. When
the alarm is set the power door unlock switch is not operational.
If the alarm does not sound when it should but the headlamps flash, check to see if the horn works. The horn fuse may be blown. To
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If the alarm does not sound or the headlamps do not flash, the
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Lose tried to steal my 20005 buick rainer .iignition is missing took off plastic cover .can turn ignition to start but scurty light is on won,t start .there is no chip in key what can i do to start it?


Your vehicle is equipped with the Passlock theft-deterrent system. Passlock® is a passive theft-deterrent system that enables fuel if the ignition lock cylinder is turned with a valid key. If a correct key is not used or the ignition lock cylinder is tampered with, the fuel system is disabled and the vehicle will not start.

During normal operation, the security light will turn off approximately five seconds after the key is turned to RUN.
- If the engine stalls and the security light flashes, wait about 10 minutes until the light stops flashing before trying to restart the engine. Remember to release the key from START as soon as the engine starts.
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- If the engine is running and the security light comes on, you will be able to restart the engine if you turn the engine off. However, your Passlock® system is not working properly and must be serviced by your dealer. Your vehicle is not protected by Passlock® at this time. You may also want to check the fuse. See Fuses and Circuit Breakers on page 5-93 in the Owners Manual.

Testing the Alarm
The alarm can be tested by following these steps:
1. From inside the vehicle, lower the driver's window and open the driver's door.
2. Activate the system by locking the doors with the power door lock switch while the door is open, or with the remote keyless entry transmitter.
3. Get out of the vehicle, close the door and wait for the security light to go out.
4. Then reach in through the window, unlock the door with the manual door lock and open the door. This should set off the alarm.

When the alarm is set the power door unlock switch is not operational. If the alarm does not sound when it should but the headlamps flash, check to see if the horn works. The horn fuse may be blown.

Keep us updated.

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My security light is on and flashing, wont let me start the car and keep it running, how do i turn the security system off or reset it


leave the key in the ignition, turned to 'run' (just before the crank position) and leave it there for about 15 minutes-the security light will then stop flashing-do NOT turn it off, turn it to crank and start the car. You have a security module that is not seeing the same resistance in the ignition switch as it expects, meaning you will have to either replace the ignition switch (expensive) or bypass the module (easy and inexpensive)-I have done lots of these, requires about 15 cents worth of parts and can be done in 1/2 hour.

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1 Answer

The anti theft alarm system seems to have shut the car down. there is no response when the key is turned. no electrical at all. how do we get the car started? thanks. it is my older neighbor's car and she...


all general motors vehivles from 97-2005 contain an anti-theft system, called a passlock system. try this it will work on a malibu theft system. turn key on engine off for about 10 minutes,after 10 minutes turn key off. wait 15 seconds then try to start car. if it is the passlock system this will reset it.

Mar 23, 2010 | 1997 Cadillac Seville

1 Answer

Pass lock problems


Your Passlock may need to relearn the ignition keys, if the ignition lock has gone bad like my in-laws Grand Am Gt, here is what i did so they will not get stranded any more. Buy a Passlock by pass module for around $70.00. You can order one from GMPASSLOCK.COM in the mean time try resetting the Passlock. Good luck

Ignition keys relearn takes about 30 min to do. 30-Minute Learn Procedure
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3.) Observe the SECURITY tell tale light. After approximately 10 minutes, the light will turn OFF.
4.) Turn OFF the ignition switch, and wait 5 seconds.
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The vehicle is now ready to relearn the Passlock Sensor Data Code and/or passwords on the next ignition switch turn from OFF to CRANK Important: Turn the Ignition Switch OFF. The vehicle learns the Passlock Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle.
6.) Start the engine. The vehicle has now learned the Passlock Sensor Data Code and/or password.
7.) With a scan tool, clear any DTCs if needed. History DTCs will self clear after 100 ignition cycles.

Without a scan tool you may have momentary starter interruptions while history clears itself.



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1 Answer

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Your Passlock may need to relearn the ignition keys, if the ignition lock has gone bad like my in-laws Grand Am Gt, here is what i did so they will not get stranded any more. Buy a Passlock by pass module for around $70.00. You can orderone from GMPASSLOCK.COM in the mean time try resetting the Passlock. Good luck

Ignition keys relearn takes about 30 min to do. 30-Minute Learn Procedure 1. Turn ON the ignition, with the engine OFF. 2. Attempt to start the engine, then release the key to ON; the vehicle will not start. 3. Observe the SECURITY tell tale light. After approximately 10 minutes, the light will turn OFF. 4. Turn OFF the ignition switch, and wait 5 seconds. 5. Repeat steps 1 through 4 - two more times - for a total of 3 cycles of 10 minutes. 3x10 = 30 minutes. The vehicle is now ready to relearn the Passlock Sensor Data Code and/or passwords on the next ignition switch turn from OFF to CRANK Important: Turn the Ignition Switch OFF. The vehicle learns the Passlock Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle. 6. Start the engine. The vehicle has now learned the Passlock Sensor Data Code and/or password. 7. With a scan tool, clear any DTCs if needed. History DTCs will self clear after 100 ignition cycles. Without a scan tool you may have momentary starter interruptions while history clears itself.

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1 Answer

I lost the key & transmitter for my 2004 Envoy. Had a new key made at the GMC dealer. Worked great one time. Tried later and it seems the alarm set itself. Cannot get the alarm to disengage thus...


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Got a stuck key out of the ignition, but it activated theft deterrent system, unhooked the battery cables for a while and rehooked back up. system did not reset. is there a way to reset it without taking...


If the ignition lock has not been damaged, ( that's where the GM Passlock system reads the ignition key) here is how you reset the Passlock to youe keys.

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Good luck and keep me posted, be glad to know you got your car running again.

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2 Answers

2006 chevy colorado passlock comes on and stays on, truck won't start for 10+ min. Can I disable this feature?


No, it can not be disabled.
The theft system is indicating a short term theft issue.
Have you added any "after market" remote start systems or alarms?
If NO.
Insert the key in the ignition, turn the key to run position ( do not start ) and leave it in that position for 10 minutes. Cycle the key to LOCK position, count to 10, then turn the key back to run position and leave on for 10 more minutes. After the 10 minutes is up, repeat the procedure (1) more time and the security system will relearn the PASS code.
Give it a try and let me know.
Regards,

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1 Answer

Indicator lights


Sounds like you're having a problem with the "passlock" feature. Pg. 2-16 in the owners manual.

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