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Chevy Colorado and GMC Canyon Electrical Problems

250 messages,  Last post on Dec 05, 2009 at 9:32 PM

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#228 of 250 Re: BCM Body Control Module Replacement 2004 Ext Cab LS [paul139] by mrwebman Aug 27, 2009 (5:05 am)
Replying to: paul139 (Aug 15, 2009 4:20 am) Hi,   Thanks for the tip but it didn't work in my case but I can see where it would be important to do. As in your case, there was paint under the ground terminal. Of course, paint is an insulator and you really don't want a ground to insulated.   Anyhow, because I have so many things that are not working I highly suspect the BCM. I stopped in at the local Chevrolet dealer yesterday and asked them what the cost would be and their answer was $265 plus tax plus installation labor plus programming fees plus shop towels plus EPA fluids fees plus etc, etc, etc. Might be able to get out the door at about $1000.   I was there at the dealer to have the front end aligned and tires rotated and they said I was number 3 inline and that I would have to leave their building because I wasn't allowed to hang around in their waiting room but one hour max. Must be a new government regulation now that GM is owned by US. If I was made of money I would have set the car on fire right there in their lot - I was so mad. I bite my tongue because they said they'd have their courtesy car take me back to work. Guess what - after an hour and a half I had to call someone from work to come and get me because their courtesy person never showed up. I'm expecting the call from the FBI right now about being in their waiting room over an hour.   IS THIS THE REASON WHY MOST PEOPLE BUY FOREIGN?????   Sorry... I still need an answer to my original question if anyone knows... what is the correct part number for my BCM and where can I get it programmed?   Thanks. Replies to this message: mikeyr (Oct 19, 2009 3:10 pm)
#229 of 250 Chevy Colorado electrical problems by kirk11 Aug 27, 2009 (10:31 am)
I was able to take off work early today and got home to work on my colorado. This is a followup on #227 by the way. I suspected a bad solder joint at the drivers rear door electrical bulkhead (where the rubber thingy meets the rear door frame bulkhead) moved the rubber back to expose the four wire connector. Because I had taped it throughly the pressure broke the cold and corroding solder joint. So I made a new splice cleaned the wires, slipped on a piece of heat shrink, flux and soldered. I now have my radio off when the door opens and when the key is in the ignition and the door is open the chime activates. Hurray for small miracles that saved me a trip to the dealer.   I still have an Air Bag light on after startup.   Later
#230 of 250 Re: Battery upgrade info [russ95] by leadfoot4 Aug 29, 2009 (3:46 am)
Replying to: russ95 (Jun 07, 2009 2:07 pm) After reading "russ 95"s mention of the upgraded alternator, I looked into that for my 2005 Canyon 4x4, as it's primarily driven in winter, at slow speeds with lights and heater blower all running at the same time.   I did an internet search, and found a Delphi alternator supplier on the west coast that provided me with a new 125A delphi alternator for $150. This included a smaller OD drive pulley, which will speed up the RPM of the alternator, and boost output at slower speeds, which I see a lot of, when the roads are snowy and slippery.   I did the swap-out last weekend, and it was by no means a picnic. I have the 5 cyl. engine, and everything is "shoehorned" into place, there's VERY little room to work. I purchased a Haynes repair manual, which said to remove the lower inner fender panel for fastener access, and the engine lift bracket, to allow the alternator to come out. HAH!!!!!   I wound up disconnecting the fuel supply/return lines, removing the battery and battery box, as well as loosening and slightly lifting the main fuse box in the LH fender well. Then it was a series of twists and contortions, before I was able to remove the unit. However, it allowed me to see all of the corrosion that had developed on the electrical connections over 4 years of driving in a damp, winter environment. A little Scotch-Brite cleaned everything up, and some dielectric grease on the connections will hopefully keep me trucking!
#231 of 250 door lock problem a little different by tyrod_emmons Aug 29, 2009 (7:43 pm)
ok my doors locks are acting funny, by this i mean, when i hit unlock on the fob the only one that unlocks is the driver door, same for locking it, when im in the truck and i hit the button to lock or unlock and the driver door is the only door that reacts, now here is what is strange, if i hit lock or unlock on the passenger door, the driver door is once again the only door to react none of the other doors do anything. i am having no window problem on any of the doors Replies to this message: leadfoot4 (Aug 30, 2009 4:45 am) mrwebman (Aug 30, 2009 6:26 am) mikeyr (Oct 17, 2009 1:32 pm)
#232 of 250 Re: door lock problem a little different [tyrod_emmons] by leadfoot4 Aug 30, 2009 (4:45 am)
Replying to: tyrod_emmons (Aug 29, 2009 7:43 pm) Although I haven't had that problem with my Canyon, I had/have a similar problem with my Corvette. If the systems are similar, there's a circuit board that has most likely 4 relays that control the lock/unlock functions. If any/all of those relays go bad, the locks won't function electrically. To replace the entire circuit board, at least through the dealer, is about $400, from what I've heard.   I found a write-up in the CorvetteForum that explained where to source the relays, as well as how to replace them. I took the circuit board out of my Corvette's door and replaced the one bad relay, as the driver's door wouldn't lock from the fob's signal. After replacing it, I was good for a few weeks, until one of the other relays failed, and now it won't unlock from the fob.   That was last summer, and I hate to admit it, but I just haven't had the time to take the door apart again, and get in there again. It's annoying, bu not a show-stopper..... Replies to this message: mrwebman (Aug 30, 2009 6:26 am)
#233 of 250 check engine light problems by adec Aug 30, 2009 (5:48 am)
I have a 2006 gmc canyon 4x4 with 47k miles on it. I have had nothing but problems with it like at first the abs light would come on and the brakes would make a terrible grinding noise, so the dealership took it back and had to replace the hubs took them like three weeks. now i bought the car new shouldn't have these problems right away. So finally they fixed that and then my check engine light would come on almost every 1500 miles after my 30k mark. first it was a fuel cap then an evap problem in the vacuum nd both times they smoked it and found leaks. and now it has come on again and i have to take it back in. The whole ordeal has just discussed me and it is just nickle and dimming me two, three hundred at a time. does any one know what to do or has had these same problems. Or what i can say to a dealer to make it better. thanks.
#234 of 250 Re: door lock problem a little different [leadfoot4] by mrwebman Aug 30, 2009 (6:26 am)
Replying to: leadfoot4 (Aug 30, 2009 4:45 am) Hi tyrod_emmons,   Thanks for the tip but I've already removed the board in the door and replaced both relays. It didn't get better or worse - stayed the same. I have the schematic so I looked for the signal from BCM to the relay board in the door but the signal never gets to the board to tell the door to unlock. For instance, when you press the key fob unlock button, the lights flash and the door should unlock but that unlock signal never gets to the board in the door to tell it to unlock. When I press the switch in the door to unlock the doors it all works perfectly.   I'm missing other signals from the BCM too. My fog lamps don't work and I checked the relay under the hood and it is not getting the turn on signal from the BCM. My lights in the cab won't turn on when the doors open - again, missing signal from the BCM. Removing the key should unlock the doors - again BCM. The bed light won't work - missing signal from BCM. My radio looses time too, randomly. That one is hard to trace because it could be the BCM or the radio itself. It has done that since new but the dealer wouldn't fix it because they couldn't duplicate it.   As far as I can tell, the BCM and the A/C fan resistor assembly and harness are very weak points on this vehicle. My BCM was replaced once under warranty as was a lot of other things. It would be easy to say that I should have bought a foreign vehicle but I would have paid over $10K more for the same thing and I couldn't justify it. Even if I have to pay some out of pocket expenses, I've still not come close to paying the extra $10,000. Besides, it's really fun to drive and gets good gas mileage for a truck. By the way, why $10K? Because I used GM bucks and got lots of discounts that Toyota wouldn't even talk to me about.   Cheers.
#235 of 250 colorado window problem by jaybob3 Sep 27, 2009 (11:47 am)
2005 Colorado: passenger side window works some times, some times not. Doesn't matter if using driver side control of passenger control. If window is pulled up or pushed down, it works for a while and then stops again. Took door panel off and lubed moving parts and window channels. No help. Anyone with same problem?
#236 of 250 Single Mom..2008 Colorado..maintanence??? by mommy6 Oct 06, 2009 (9:03 am)
I have a 2008 Chevy Colorado. What kind f maintenance should be preformed by 54,000 miles other than oil change?? I am a single mom of 3 & I have no clue! I have not done any kind of maintenance other that Oil Changes (when the light comes on). Now...I know my vehicle & it just doesnt seem ok. The gears are not catching on right! WHAT SHOULD I DO! HELP! Remember..iTS NEVER HAD NOTHING REPLACED OTHER THAN OIL!! Thank You SOOO much! Replies to this message: dmathews3 (Oct 06, 2009 9:19 am) steve263 (Oct 24, 2009 8:43 am)
#237 of 250 Re: Single Mom..2008 Colorado..maintanence??? [mommy6] by dmathews3 Oct 06, 2009 (9:19 am)
Replying to: mommy6 (Oct 06, 2009 9:03 am) You could have sat down and read and reread the owners manual so you wouldn't have to ask this question as you would know what is needed to be done. Also waiting till the oil light comes on in most peoples opinion is waiting till the oil has outlived it usefulness. And hopefully the oil light you are talking about is one that means it is time/past time to change the oil and not the one that comes on when the oil gets to low. If that is the case you are on borrowed time and have been asking for trouble. SO GET OUT THE BOOKS AND READ THEM, then find a trustworthy Chevy dealer had have them go through it and give you an estimate to bring it back to 100%

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