Question about 2005 GMC Canyon

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2005 gmc canyon w/5 cyl passlock stoped truck from starting.So i relearned the key to the bcm truck started but now the passlock light is saying on solid ,tryed to cycle the ignition 100 times (it worked befor) but did not work the light is still on. will it not go off until the problem of what set it of in the first place is fixed. and what could have set it off in the first place. i think the tumblers or the warnout key

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6ya6ya
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Posted on Jan 02, 2017

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klemm
  • 12 Answers

SOURCE: 2006 gmc canyon 3.5 inline 5 cyl.

Not much of a vacuum diagram on this vehicle. Uses vacuum mainly for the EVAP system ( not a good source). Best bet would be to use a source that stems directly from the intake manifold. Good luck

Posted on Jul 07, 2008

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SOURCE: Our 2004 GMC canyon will not start from time to time.

sell the truck and get one that does not have the security system that locks out the engine starting. I wish I could but I can't for a year or so.

Posted on Feb 09, 2009

  • 1 Answer

SOURCE: Fan blower motor

The Canyon has an inherint problem with the Fan Power cable being loose. When I say loose...I'm saying that you need to adjust the wires and then take a zip strip to tighten it up.

Passenger side under the dask are 2 cable hook ups. the one on the farthest right (Only 2 wires going to the plug) is the fan power cable. Jiggle it while the fan is on position number3 so you can hear when it comes on!!!

Posted on Mar 11, 2009

Molson02536
  • 3854 Answers

SOURCE: I have a VERY intermitent/passlock - no start

Common for the ignition lock switch it self has gone bad and will need to be replaced. This is more common if you have lots of keys on your your key chain, the extra weigh wear out the electrical sleeves in the cylinder walls making the passlock not to read the proper resistor reading on your ignition keys and needs to be reset all the time. My In-Laws had the same problem with there Grans Am and was at the deal once a year for it. Once the warranty ended I got the passlock 2 by pass for around $70.00. The factor alarm still works but the ignition immobilize was disabled so they would not get stranded out in the cold. Here is the link and good luck, keep me posted and it's just a plug and play so there is not wire cutting and splicing. Keep me posted and don't forget the rate. http://www.gmpasslock.com/

Posted on Jan 07, 2010

Testimonial: "Did you have to be a serious tech head to install this passlock bypass?"

  • 1244 Answers

SOURCE: 2003 GMC Yukon with new lock cylinder. Passlock won't relearn

un hook the battery cables then try to reset it if that dont work then you will need to take it to a shop to have the passlock code reset

Posted on Jan 22, 2010

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3 Answers

Where is the body control module located in 2002 gmc envoy?


It's under your back seat. See here for picture http://www.ebay.com/itm/like/261068608953?lpid=82
Here is the relearn procedure which you have to perform so the new BCM will recognize your key and start the car:
For those vehicles that use a BCM, the BCM can learn the resistance value of the existing key by using the relearn process. In order for the vehicle to start, the BCM (as well as the Passkey module in other vehicles) must identify the resistor pellet in the key, then the BCM sends a password to the PCM. If this password matches the password stored in the PCM, the system enables fuel delivery. So you can see that if either the BCM or PCM are replaced, a relearn procedure is necessary. This same relearn procedure can be used if an ignition key with a different resistance value is used to replace the existing key. Before beginning the relearn, make sure there is a fully charged battery in the vehicle, and both the BCM and PCM are properly powered up and in communication with each other. Now you're ready to initiate the relearn procedure.

1. First, insert the ignition key and turn the ignition switchto the "On" position (Do not start the engine). Leave the switch on for 11 minutes. The security light may flash or be on steady during this 11 minute period. Make sure the light is no longer on or flashing before proceeding to #2 .
2. Turn the ignition switchoff for 30 seconds.
3. Turn the ignition switchto the "On" position (as in step #1) for 11 minutes again.
4. Turn the ignition switchoff for another 30 seconds.
5. Turn the ignition switchto the "On" position for 11 minutes a third time.
6. Turn the ignition switchoff for 30 seconds one final time.
7. Turn the ignition switchto the "On" position one final time and wait 30 seconds.
8. Attempt to start the engine. If the engine starts and runs normally, the relearn is complete. If the engine does not start, check for trouble codes and address them before attempting the relearn procedure again.
You can pick one oif these up for $20 or less at a junkyard. For those vehicles that use a BCM, the BCM can learn the resistance value of the existing key by using the relearn process. In order for the vehicle to start, the BCM (as well as the Passkey module in other vehicles) must identify the resistor pellet in the key, then the BCM sends a password to the PCM. If this password matches the password stored in the PCM, the system enables fuel delivery. So you can see that if either the BCM or PCM are replaced, a relearn procedure is necessary. This same relearn procedure can be used if an ignition key with a different resistance value is used to replace the existing key. Before beginning the relearn, make sure there is a fully charged battery in the vehicle, and both the BCM and PCM are properly powered up and in communication with each other. Now you're ready to initiate the relearn procedure.

1. First, insert the ignition key and turn the ignition switchto the "On" position (Do not start the engine). Leave the switch on for 11 minutes. The security light may flash or be on steady during this 11 minute period. Make sure the light is no longer on or flashing before proceeding to #2 .
2. Turn the ignition switchoff for 30 seconds.
3. Turn the ignition switchto the "On" position (as in step #1) for 11 minutes again.
4. Turn the ignition switchoff for another 30 seconds.
5. Turn the ignition switchto the "On" position for 11 minutes a third time.
6. Turn the ignition switchoff for 30 seconds one final time.
7. Turn the ignition switchto the "On" position one final time and wait 30 seconds.
8. Attempt to start the engine. If the engine starts and runs normally, the relearn is complete. If the engine does not start, check for trouble codes and address them before attempting the relearn procedure again.

Dec 13, 2014 | 2002 GMC Envoy

1 Answer

Security light stays on, 2005 Impala, car starts every time


Did you check for error codes (DTCs) using a scanner that will check the BCM codes? A GM dealer's scan tool would probably find the problem right away. The security light driver in the BCM could be faulty, although that probably won't throw a code.

Mar 10, 2017 | 2005 Chevrolet Impala

2 Answers

Someone tried to steal my 2000 Chevy S10 pickup. They tore up ignition. I purchased a new ignition cylinder which came with 2 keys. I tried to do the 30 minute relearn but the security light does not stay...


You don't need to program key's with this anti-theft system , there is no chip inside . Did you get a correct lock cylinder. . On this system there is a pass lock sensor in side an the lock clinder has a magnet !
Passlock™ Sensor
The passlock™ sensor is inside the upper right side of the steering column. The passlock™ sensor contains 2 hall effect sensors. The tamper hall effect sensor is on the top. The security hall effect sensor is under the tamper hall effect sensor. Both of the hall effect sensors monitor the magnet of the lock cylinder through an opening. The tamper hall effect sensor is physically placed on top of the security hall effect sensor. This arrangement enables the tamper hall effect sensor to engage first if an intruder attempts to bypass the passlock™ sensor by placing a large magnet around that area of the steering column. There is a tamper resistor inside the passlock™ sensor in order to help prevent tamper to the system. Passlock™ equipped vehicles have a selection of 10 different security resistors ranging from 0.5K ohms up to 13.6K ohms. Installing one of the security resistors inside the passlock™ sensor will generate a unique passlock™ code. All 10 combinations of the passlock™ sensor have the same part number. However, you cannot simply replace the passlock™ sensor and expect the system to operate properly. Always start by performing the Diagnostic System Check first and following the instructions.
Body Control Module
The Body Control Module (BCM) contains the theft deterrent system logic. The BCM reads the passlock™ data from the passlock™ sensor. If the passlock™ data is correct, the BCM will pass theft. The BCM will then transmit the code password to the VCM/PCM.
During the tamper mode the vehicle may start. The vehicle will then stall. If the BCM receives the wrong passlock™ data, the VTD will immediately go into the tamper mode. The tamper mode will lock-out the vehicle fuel injectors for 10 minutes. The SECURITY indicator will flash while the VTD is in the tamper mode.
If the passlock™ sensor sends a correct password to the BCM when the ignition is in the ON position, the BCM will send a fuel enable signal to the VCM/PCM. The VCM/PCM will not disable the fuel due to any BCM message for the remainder of the ignition cycle.

You only need to do a relearn if one of these are replaced
Use this procedure after replacing:
• Passlock™ Sensor
• BCM
• VCM
• PCM

Did you replace any of these ?

30 Minute Re-Learn Procedure
Turn ON the ignition, with the engine OFF.
Attempt to start the engine, then release the key to ON (vehicle will not start).
Observe the SECURITY telltale, after approximately 10 minutes the telltale will turn OFF.
Turn OFF the ignition, and wait 5 seconds.
Repeat steps 1 through 4 two more times for a total of 3 cycles/30 minutes ( the vehicle is now ready to relearn the Passlock™ Sensor Data Code and/or passwords on the next ignition switch transition from OFF to CRANK).
Important: 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.
Start the engine (the vehicle has now learned the Passlock™ Sensor Data Code and/or password).
With a scan tool, clear any DTCs if desired (history DTCs will self clear after 100 ignition cycles).

May 18, 2017 | Chevrolet S 10 Cars & Trucks

2 Answers

My 03 chevy blazer 4 door has no spark and no fuel i think it might be the passlock and ideas for solutions?


Yes here is a great link for trouble shooting and fixing passlock security issues http://vatspasslockpasskeysecurityhelp.yolasite.com/

Aug 26, 2011 | Chevrolet Blazer Cars & Trucks

1 Answer

2005 Canyon 5 cyl 4x4 is not working


tyr disconnecting the battery with the trunck in 2 wheel mode, leave off for 1-2 min. then reconnect and try again, there may also be a software update required to solve this!

Apr 16, 2010 | 2005 GMC Canyon

1 Answer

I have a VERY intermitent/passlock - no start


Common for the ignition lock switch it self has gone bad and will need to be replaced. This is more common if you have lots of keys on your your key chain, the extra weigh wear out the electrical sleeves in the cylinder walls making the passlock not to read the proper resistor reading on your ignition keys and needs to be reset all the time. My In-Laws had the same problem with there Grans Am and was at the deal once a year for it. Once the warranty ended I got the passlock 2 by pass for around $70.00. The factor alarm still works but the ignition immobilize was disabled so they would not get stranded out in the cold. Here is the link and good luck, keep me posted and it's just a plug and play so there is not wire cutting and splicing. Keep me posted and don't forget the rate. http://www.gmpasslock.com/

Jan 07, 2010 | 2005 GMC Canyon

1 Answer

Anti theft light keeps comming on ad truck wont start


It might be your key the chip thats in it might need to be reprogammed or you might need a new key. You can only get the key from a dealer about $75.

May 27, 2009 | 2005 GMC Canyon

1 Answer

Passlock


BCM controls your passlock system. All that is required is leaving your key in the igntion with it on for around 10-15minutes. Then attempt to start. The passlock system is self learning. Let me know if this works, if not we can trouble shoot from there. Thank you for using fixya.com

Oct 05, 2008 | 1998 GMC Savana

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