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2004-2012 Chevy Colorado Passlock Security Relearn.

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2004 -2012 GM Passlock Ignition.
Will not start?
Engine cranks but no start?
Engine cranks before key inserted?
This video shows a simpler method to replace the problem, not the entire ignition cylinder.
Skill Level
Easy
Project Vehicle:
Make: Chevrolet
Model: Colorado
Year: 2007
Engine: 2.9L
Tools Needed:
Your Keys
T25Torx
Short Phillips
Project Time
1 hour or less
Project Cost
~$60
1. Attempt to start the truck by turning the key to crank the vehicle.
2. Observe that the vehicle fails to start and the security light is illuminated.
3. Release key to the ON/RUN position (DO NOT turn to ACC position or OFF)
4. Allow the vehicle to sit with key in the ON/RUN position for no less than 11
minutes. Security light will turn off after this.
5. When the light goes off, turn key to OFF position and allow the vehicle to
remain in the OFF position for no less than 30 seconds.
6. Repeat #1-#5 for four cycles or until vehicle starts.

Опубликовано:

5 сен 2024

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Комментарии : 24

@nicholaspileggi8214 3 месяца назад

I have the same problem with my 2008 Colorodo.Mine has the 5 cylinder engine. I am sure my repair will be the same. This will be my first attempt at getting her back on the road . Fortunately for me my truck stopped working in my own driveway. Thank you for your video.

@HandyDan 3 месяца назад

I hope you get it running. Thank you for your comment.

@mag2xjab Месяц назад

Thank you for sharing your knowledge and experience. Very helpful!

@HandyDan Месяц назад

Thank you, I hope you were able to solve your situation.

@luisoctavio260 5 месяцев назад

Thank you for this video. This has been a big help.

@HandyDan 5 месяцев назад

I'm glad to hear that this helped you out. Thank you for watching.

@virginiadetroyer3528 2 месяца назад

On my 2012 Chevrolet Colorado LT, I had an ignition switch put in and a BCM, but I still have the intermittent, start problem wiih the passlock light staying on. My Serv Temp light is always on also. I went to several service shops, but no one can pinpoint the problem, so far . The truck use to start after about 30 minutes to 60 minutes of waiting, but lately it will only start when I wait about a whole day and a half day. It didn't start all day yesterday, but when I went out to start it today, then it started with no hesitation. It's on a 90 day warranty for the BCM and 8:35 Labor, so I'm taking it back to the Auto Electric shop this week. Does anyone know how this problem can be fixed for good?

@HandyDan 2 месяца назад

From what I know about the passlock: it uses the resistance in the ignition rotation and sends the variable voltage to the ECU. The ECU determines the key position by voltage signals, that's what "turns on" the vehicle "cranks the engine" and "run" position. If the voltage signals is off, it sets the passlock as an attempted hotwire. Several things might be difficult to determine like faulty wiring, low battery or corroded battery terminal can effect signals properly. The re learning process just re programs those levels, it was designed to take a long time to deter theft.

@Harley157d Месяц назад

My husband's 08 Colorado has the exact same problem. It is so frustrating. How do we remove the whole anti theft thing. He's been stuck for hours many times

@HandyDan Месяц назад

@@Harley157d Actually to completely remove the security would require some knowledge of electronics, I found this, but I hold no responsibility for this mod. www.coloradofans.com/threads/how-to-permanently-disable-the-passlock-ii-system.142238/

@PlainsGaBoi 4 месяца назад

I was able to install the part and it worked very good for about 2 months. Now im having the same issue..I’m guessing I’ll need to buy the OEM part to see if that works

@HandyDan 4 месяца назад

I got mine from Amazon so I don't think mine is OEM. What is your truck doing now?

@PlainsGaBoi 4 месяца назад

@@HandyDan It’s having trouble cranking the same as before. It will even try to crank sometimes before I turn the key over. I have to wait the 11 mins for the passkey light to stop blinking. This has been happening to me everyday for the past few weeks and more often than ever before. I even get the passkey light now while I’m driving.

@HandyDan 4 месяца назад

@@PlainsGaBoi Where did you get the replacement part? Is it used?

@PlainsGaBoi 4 месяца назад

@@HandyDan I purchased mine from Amazon as well.

@HandyDan 4 месяца назад

@@PlainsGaBoi Makes me wonder how long mine will last. Maybe you got a bad unit, I guess you could try again with an OEM one.

@user-in6wf8ez2u 4 месяца назад

7:24 I'VE GOT A 2007 COLORADO 4X4 4-CYLINDER CRANKS AND RUNS FOR A COUPLE OF SECONDS THEN SHUTS OFF. SAYING REDUCED POWER RUNS ACROSS THE CLUSTER . HAVE TO WAIT A COUPLE OR SO WITH IGNITION HAS TO BE IN THE OFF POSITION FOR A FEW MINUTES THEN CRANKS AND REPEATS THE SAME THING. FIRST IT GAVE ME A THROTTLE POSITION SENSOR CODE. REPLACED TPS AND NOW I'M GETTING A 601 ECM ???

@HandyDan 4 месяца назад

P0601 Internal Control Module Memory Check Sum Error. I would check the main wire harness under hood passenger side ECU connectors for dirt or corrosion. Maybe also all the connectors on the engine. Other than that, it sounds like replacing the ECU, does it drive ok once started?