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Pickups Chevrolet Colorado and GMC Canyon Chevy Colorado and GMC Canyon Electrical Problems
250 messages, Last post on Dec 05, 2009 at 9:32 PM
You are in the Chevrolet Colorado and GMC Canyon Forum. Your Host is kcram
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Replying to: 04cad (Jan 12, 2009 3:52 pm)
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Replying to: ECR223 (Jan 14, 2009 2:00 pm) I have had trouble with the service engine soon light and the dealer wanting beacoup bucks to replace parts my mechanic fixes for free. They would not acknowledge the bad fuel cap and I finally just bought one. It now appears, at 75,000 miles, that the fuel filler tube is bent from the weight of the nozzle resting on it when I'm putting gas in. This allows a small enough air leak to have the service engine soon light on and it's one I will have to live with. |
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I have a 2004 GMC Canyon 4 dr and I have experenced this problem. I am in Minnesota so its cold here 5 months out of the year. I did some trouble shooting and this is what I found on my vehicle. My problem was in the drivers door control assembly. I have a schematic of this assembly. I took it apart and checked for water damage and it looked good. If you take the switch apart (seperate the two halfs) there is a small black sealed relay labeled RLY3. This is a relay that runs the auto down feature for the drivers window. It also contols the door locks. I did a GMC repair and tapped it with my finger and it started working!!! I am going to keep an eye on this and will keep you posted. I checked with the dealer and its about $200. (not in stock) I did check my BCM for water damage and mine was ok. I checked GM's TSB's and that was a problem with the 2005 models leaking water from the cowling area. I could not find any TSB's on the fuse box issue. Thanks SNAPROLL1 for all your comments. By the way, I already hand my cylinder head replaced!!! If anyone needs the information on the notice from GM, let me know and I will get you a copy. Happy GMC owner (for now)
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I could use a copy of the letter i never got one thanks.
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Replying to: puregreen (Feb 04, 2009 12:44 pm) |
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| Dont have a fax will try to get one. | |
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Replying to: HopeGMC (Feb 04, 2009 11:34 am) Well thanks to HopeGMC it's working again. I took it apart and looked at everything and things looked OK so I tapped the relay and put everything back togather and wow it worked. A GMC/ Chevy repair...... My hats off to HopeGMC thanks alot. What is the BCM and TSB. Just for reference I might need later. Thanks again...  ZIPY
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Replying to: zipyz28 (Feb 07, 2009 5:52 pm) BCM and TSB are acronyms for "body control module" amd "technical service bulletin".
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Replying to: leadfoot4 (Feb 08, 2009 5:36 am)
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Replying to: zipyz28 (Feb 08, 2009 5:32 pm) The power to all of these systems comes from the battery and charging system, via the fuse box (for protection). Sometimes I long for the simpler days of "points and condensors"......
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