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06 colorado remote start issue


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ikethegoalie 
Copper - Posts: 79
Copper spacespace
Joined: November 28, 2005
Location: United States
Posted: July 03, 2008 at 12:41 PM / IP Logged  

Ok, the shocking part is that GM is aware and is letting it go.  There seems to be problems with the data passlock bypasses and the passlock system in the car.  Sometimes the vehicle refuses to start witha  key even though the remote starter works fine.

I am currently using a 556lw and am having said problem, won't start with the key, fires right up with the remote start.  I just checked my wiring last night adn everything is hooked up fine.

I want to know if a: anyone has the diagram for the relay resistor bypass method with basic instructions, and B: if anyone has had any problems doing it that way.

i am an idiot 
Platinum - Posts: 13,666
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: July 04, 2008 at 10:32 PM / IP Logged  

Not an 06 Colorado but we installed a remote start unit in an 08 Cobalt the other day.  It was a dealership job.  Nothing but trouble, first thing is that when backing the vehicle up you have a 50 50 shot at having power steering.  Completely removed RS unit, only to have the vehicle still have the same problem.  Come to find out there are dozens of GM service bulletins on this vehicle.  One of them directly addressed the power steering in reverse issue.  The tech at the dealership looked at the vehicle and said it must be the Remote start unit.   Wouldn't you think he should have been aware of the problem.

davngr 
Copper - Posts: 109
Copper spacespace
Joined: October 20, 2007
Posted: July 05, 2008 at 4:03 AM / IP Logged  
i am an idiot wrote:

Not an 06 Colorado but we installed a remote start unit in an 08 Cobalt the other day.  It was a dealership job.  Nothing but trouble, first thing is that when backing the vehicle up you have a 50 50 shot at having power steering.  Completely removed RS unit, only to have the vehicle still have the same problem.  Come to find out there are dozens of GM service bulletins on this vehicle.  One of them directly addressed the power steering in reverse issue.  The tech at the dealership looked at the vehicle and said it must be the Remote start unit.   Wouldn't you think he should have been aware of the problem.

car techs will blame everything on an alarm if you let them. 

life is a comedy to think, a tragedy to feel
another-kelly 
Silver - Posts: 618
Silver spacespace
Joined: July 11, 2004
Location: United States
Posted: July 07, 2008 at 1:43 PM / IP Logged  
had a friend with an '05 colorado doing the same thing (minus the remote start). she was gonna have me put a RS into it till that gremlin showed up. dealer repaired it under warranty. i'd ask what it was they did, but she's in kosovo till next spring
smcshark 
Member - Posts: 34
Member spacespace
Joined: June 22, 2008
Location: Ontario, Canada
Posted: July 07, 2008 at 2:59 PM / IP Logged  
there are issues with certain bypass module in colorado / hummer H3 etc. you can use either Idatalink ADS-TBSL-GM or build it the old fasion way with relays and a resitor let me know if you need the diagram for the old way.
Automotive Electronic Specialist
ikethegoalie 
Copper - Posts: 79
Copper spacespace
Joined: November 28, 2005
Location: United States
Posted: July 15, 2008 at 10:17 AM / IP Logged  

Ok, I posted before about changing back to the relay resistor method for bypassing passlock in this vehicle.

I am still running the 556LW and have noticed a pattern and would like your guys take on this.

The same thing happens every day, religiously.  The truck starts fine with the key in the morning.  I get to work, park and go about my day.  Come the afternoon when it is time to go home and the truck is super hot inside, key does not work.  I remote start the truck and it fires fine.

I get home, and once the truck cools down around 9 pm, the key works fine again, any thoughts?

chriswallace187 
Gold - Posts: 1,661
Gold spacespace
Joined: March 11, 2002
Location: Pennsylvania, United States
Posted: July 15, 2008 at 1:07 PM / IP Logged  
I would try swapping the 556L - or if you're adventurous and knowledgeable, disassembling it and looking for problems with the circuitry. You could quite possibly have a bad solder joint or component inside it which would change resistance if the temp heated up enough.
C Renner's Auto Electronix
My service is cheap, quick, and good - pick any two
kgerry 
Platinum - Posts: 3,455
Platinum spaceThis member consistently provides reliable informationspace
Joined: February 07, 2004
Location: Saskatchewan, Canada
Posted: July 15, 2008 at 4:55 PM / IP Logged  
sure sounds like a cold solder problem somewhere..... i had a problem like this recently on a Cobalt or Equinox or something using the 555L module....
Kevin Gerry
Certified Electronics Technician
MECP First Class Installer
Owner/Installer
Classic Car Audio
since 1979
ikethegoalie 
Copper - Posts: 79
Copper spacespace
Joined: November 28, 2005
Location: United States
Posted: July 16, 2008 at 7:10 AM / IP Logged  
now would it be a bad solder inside the 556lw, or would it be a bad solder on the wires from the key cylinder to the bypass
kassdog 
Copper - Posts: 257
Copper spacespace
Joined: March 09, 2007
Location: United States
Posted: July 16, 2008 at 10:09 AM / IP Logged  

I always just use the old school method with those cars with the relay and resistors. Takes like 5 minutes to wire up and your guaranteeed to have the right resistance value.

Also Davngr, when you said car tech I'm sure you meant part changer. I consider a tech someone that will actually trouble shoot a problem not just change out what the computer tells them is wrong.

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