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Chevrolet Malibu Electrical/Lighting

186 messages,  Last post on Sep 23, 2009 at 10:20 AM

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What is this discussion about? Chevrolet Malibu, Lights, Electrical, Sedan

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#177 of 186 Error codes P1125 and P2138 by murphyc Feb 24, 2009 (12:30 pm)
First time poster, not sure where to post this. I have an '05 Malibu Maxx LS with about 75K. Last night while driving home the check engine light and no TC light both came on, as did "engine power reduced" message on the DIC. Limped it to my office, died less than a block away when I turned but coasted in. Tried undoing and redoing the gas cap a few times and let it sit for a while. Driving home, only the check engine light was on. When I got to the street I live on, as soon as I turned the no TC light and engine power reduced message returned. By the time I coasted to a parking spot car had died. This morning just the check engine light on, got to Auto Zone with no problem and they pulled codes P1125 and P2138, both dealing with APP (Accelerator Pedal Position) sensor. Both codes show possible failed or defective APP sensor. P2138 shows poor electrical connection as possible problem, P1125 shows open or short circuit condition could be problem. Explanations for both deal with one or more APP/TP sensors not agreeing. About six months ago similar thing happened. I was leaving work (at my previous job), same three lights/messages came on and no power steering. Coasted to a nearby shop. Couple of hours later a friend suggested tightening gas cap. I did, problem didn't return until last night. For what it's worth, no light came on when drove from Auto Zone to my office this morning. I'm traveling Friday, don't want to pass it off as a fluke or faulty warning but also don't want to replace APP sensor if no reason to. Any ideas? Thanks, Craig Replies to this message: butch100 (Feb 24, 2009 4:02 pm) murphyc (Feb 25, 2009 12:10 pm) murphyc (Feb 25, 2009 4:34 pm)
#178 of 186 Re: Error codes P1125 and P2138 [murphyc] by butch100 Feb 24, 2009 (4:02 pm)
Replying to: murphyc (Feb 24, 2009 12:30 pm) I left off my gas cap and got the check engine light. replacing it turned off the light after 2 days, no other malfunction during that time, the car completely dying and the error codes suggests that you might deeper problems, time for a trip to the dealer.. Replies to this message: murphyc (Feb 25, 2009 12:10 pm) murphyc (Feb 25, 2009 4:34 pm)
#179 of 186 Re: Error codes P1125 and P2138 [butch100] by murphyc Feb 25, 2009 (12:10 pm)
Replying to: butch100 (Feb 24, 2009 4:02 pm) As an update, I took the Maxx to a shop today. Apparently it spit a code related to a TSB from Nov. 2008 (of course I forgot to write down the number) about water getting into the kick panel and causing a leak, thus creating a short with a wire. The guy at the shop noted he hadn't seen something like this before, always such a great thing to hear. So now they'll have to diagnose where the water leak is coming from. It's somewhere on the engine side of the firewall since the interior floor is dry. Possibly related, back in 2007 when the suspension was making creaking noises, one place told us the steering shaft had been corroded due to moisture, don't know if there's a connection or not. And once a few months ago the turn signals all of a sudden stopped working for a couple of turns, then returned to normal. Weird. Replies to this message: murphyc (Feb 25, 2009 4:34 pm)
#180 of 186 Re: Error codes P1125 and P2138 [murphyc] by murphyc Feb 25, 2009 (4:34 pm)
Replying to: murphyc (Feb 25, 2009 12:10 pm) Arrgghh! When it rains it pours, pun intended due to our current rainy weather. Shop called back, apparently there's a leak at the top left corner of the windshield. The molding has to be replaced. The leak is allowing water to run down the A-pillar, then it is shorting out the connector and setting off codes plus causing intermittent driveability issues. Their hope is the wire dries out and doesn't have to be replaced, since replacing would entail taking apart the dash which won't exactly be cheap. The windshield and molding would have to be taken out, new molding put in (hopefully not breaking the windshield in the process) and in theory that would solve the problem. Assuming no dashboard disassembly and no broken windshield, cost is around $500 between the diagnosis, parts and labor. And since we're in a rainy stretch right now, can't exactly ignore the problem. Add this on top of the usual Malibu starter and steering/suspension issues, I'm really wondering if getting our Maxx was a good choice. Great room, great flexibility, great mileage on trips but the reliability is starting to wear on me.
#181 of 186 1998 Malibu Temperature Control Problems by malibu12 Feb 25, 2009 (5:43 pm)
I just bought my Malibu yesterday and everything worked fine. The a/c, the heat the blower, everything. All of a sudden today, the temperature control started acting funny, by not responding to my command. It was on cold and I turned it to hot but nothing happened until about 5 minutes later, then the heat came on. It also did by turning the knob back to cold. Now, it is stuck on hot. Everything else still works fine. No warning lights, the a/c goes and the blower still goes. I noticed that it uses vacuum lines to adjust and I was wondering if it's possible the little door is stuck or something. Would this be something hard to fix myself or how expensive could this be to get fixed. Either way it's driving me nuts!!!!
#182 of 186 Re: 2000 Malibu Electrical Issue [redlemon] by abfdriver120 Mar 08, 2009 (6:18 pm)
Replying to: redlemon (Jun 01, 2007 5:43 pm) I have the same problem on my 2005???
#183 of 186 Power Windows by mjohns7861 Apr 25, 2009 (4:27 am)
I have a 99 Malibu LS with V6. Am original owner. Has 73K miles. This week for the first time I put down the drivers side window going through Arby's drive through. And driving home, it would NOT come up. After I came home, I played around with it for 10 minutes, almost gave up, and it finally came back up. I have never dealt with power window problems. I am now hesitant to roll the window down. Anybody had problems and I presume a local garage (vs. dealership) could work on something like this? Any thoughts are welcome...   Magnus Replies to this message: 04cad (Apr 25, 2009 6:07 am)
#184 of 186 Re: Power Windows [mjohns7861] by 04cad Apr 25, 2009 (6:07 am)
Replying to: mjohns7861 (Apr 25, 2009 4:27 am) sounds like either dirty contacts on your switch or a bad switch. Easy to change, gently shove the switch housing either up or downward and lift it out. there will be clips on the top and bottom edge that will help keep it in place, try to not let them drop into the windo opening. Good luck.
#185 of 186 dash indicator lights on by kevin87 Aug 13, 2009 (12:42 pm)
Hi - We have a 2001 Malibu w/ 90k miles - runs great ! - just recently while driving and also when car is off (but key is on) the indicator dash lights come on ,fuel gauge goes to E temp goes to standby - what would cause this electrical problem - has been happening intermitently , now does it all the time  Thanks
#186 of 186 Re: Chevy Malbu window and blower problems. [pskats] by dsaucier Sep 23, 2009 (10:20 am)
Replying to: pskats (May 30, 2008 4:06 pm) MY 2000 Malibu will not start until I turn the switch several times, after it starts the A/C blower and windows will not work for several minutes. I suspect a bad ignition switch but I do not know how to remove it and clean or replace it.   Can someone help?   dsaucier

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