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Chevy Silverado and GMC Sierra Electrical and Computer Issues

242 messages, Last post on Sep 27, 2008 at 3:46 PM

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What is this discussion about? Chevrolet Silverado 1500, Chevrolet Silverado 2500, Chevrolet Silverado 3500, GMC Sierra 1500, GMC Sierra 2500, GMC Sierra 3500, Truck

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Messages Page 4 of 25: 1; 2; 3; 4; 5; 6; 7; ...; 25; Prev; Next; Last

#22 of 242 Re: Battery not Charging 2003 GMC Sierra 2500 [talon03] by myz71 Dec 01, 2006 (5:31 pm)
Replying to: talon03 (Nov 18, 2006 4:06 pm) I just changed my battery and was having similar problems. I took it into the shop today and they informed me that after replacing the battery, I have to start the truck, hold the brake, put the truck in drive and rev the engine to 2000 rpm for 2 minutes. This resets the computer and now mine works fine. I hope this helps.
#23 of 242 Re: SES light on code P0440 any ideas? [z71bear] by catam Dec 05, 2006 (11:22 pm)
Replying to: z71bear (Jul 11, 2006 4:57 pm) Did you ever find the cause of your problem? I have the same code on my 03 Suburban, and I know it is not the gas cap, I have replaced it, and cleared the code, but it came back. Thanks for any info, Catam.
#24 of 242 Bad Radio or Bad Blower Control by jconnally Dec 05, 2006 (8:48 pm)
Problem: Start truck, radio won't play. No audio, display works in all functions. Ran to dealer, quick check, order new radio. Two days later, get in try to start truck, battery dead but radio plays. Towed to dealer replaced blower control with shorted resistor. Same failure one year later on vacation out of state. Radio quit, go to local dealer tell him to check VIN in the system. Order same part. He thinks I'm nuts. Next day truck dead, but radio plays. Replaced blower control and on my way. I can understand a shorted resistor causing a power drain on the battery, but why would it have an affect on the radio then restore it's operation. I'm Stumped! Replies to this message: smithpb1 (Dec 06, 2006 8:04 pm) jconnally (Dec 06, 2006 8:53 pm)
#25 of 242 Re: Bad Radio or Bad Blower Control [jconnally] by smithpb1 Dec 06, 2006 (8:04 pm)
Replying to: jconnally (Dec 05, 2006 8:48 pm) I don't have a solution but I am having a very, very similar problem. 1 1/2-2 months ago, audio system in my 03 Trailblazer would lose all audio but display and all functions would still work. It had been sporadic until recently. Took it to a dealer last week, quick check, and suggested to order a $500 radio. Then, 2 days later, battery went dead. Replaced battery and now no audio at all for 3 days now. How did the dealer diagnose the bad resistor?....because my next step is to call them back and request a more thorough recheck. Did you end up replacing your truck's radio? Thanks for any info you can provide. Replies to this message: jconnally (Dec 06, 2006 8:53 pm)
#26 of 242 Re: Bad Radio or Bad Blower Control [smithpb1] by jconnally Dec 06, 2006 (8:53 pm)
Replying to: smithpb1 (Dec 06, 2006 8:04 pm) I was unable to find out how they came to the conclusion the problem was a resistor. But the GM part number is 89018597. Maybe if we gang up on Chevrolet, maybe they'll take care of some of our costs. I also have an 04 Trailblazer, so I'll brace myself for the same with it. I don't know if it's because it has the BOSE sound system, but I've heard that there are some strange things that are linked to it. In a few more days, I plan to do battle with the Chrevolet dealership after I get a little more ammunition. I found one case almost identical to mine on another forum site, so if I do find out anything it will be posted!
#27 of 242 Battery Not Charging Light by mhead60 Feb 21, 2007 (10:07 pm)

#28 of 242 Battery Not Charging Light by mhead60 Feb 21, 2007 (10:07 pm)
i have a 2003 sierra 1500hd and my battery not charging light comes on but i can drive all day and my battery never goes dead does anyone know what could be making this light come on i have change my alternator and my battery and it still does it
#29 of 242 05 sierra security system fault by pddave40 Feb 22, 2007 (6:19 pm)

#30 of 242 05 sierra security system fault by pddave40 Feb 22, 2007 (6:19 pm)
security system randomly turning on/off. what could be causing this? have removed battery from key fob. taken to dealer, who is at a loss. anyone had this problem?
#31 of 242 03 gmc trailer towing wiring by champ72 Feb 26, 2007 (8:32 pm)

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