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Jessica, Today I took the car to Auto Zone and they ran a code check. The car popped 17 codes!!! Two of them were multiple hits (3 each). The check engine light stays on, and for some reason, the electronic ignition will not work now. I will list the codes for anyone that has experience with them.
P0171 (3x's), PO107, PO113, PO122, PO223, PO300 (3x's), P1682, P2122, P2123, P2127, CO561, CO242.

When I lock the door and try to engage the electronic ignition, it just flashes the parking lights and doesn't start.

I unhooked the MAF sensor and the car runs near perfectly, but the check engine light remains on, and the auto ignition still doesn't work, and it gives the same messages, "ESC Service", etc.
P0171, fuel trim lean bank 1, assuming no fresh air leaks after the MAF sensor, unmetered airflow causes P0171 as do other issues cause P0171.

P0107, MAP sensor short to ground. Not necessarily the MAP sensor, could be anything on the 5volt reference 1 circuit pulling the 5 volt line low. Can be the sensor itself or the signal circuit, not cut and dried.

P0113, Intake air temperature high. Bad MAF sensor connector? MAF and IAT are in the same sensor and I did my father's connector already for that problem. Just a thought.

P0122 throttle position sensor 1 low voltage. Loss of 5 volt reference?

P0223, TP sensor 2 high voltage. Loss of sensor ground?

P0300, misfire code. Would need to look at misfire data to see what cylinder is misfiring. Only would set specific cylinder code if there is only one cylinder misfiring. Once other cylinders show misfires, real or not, the ECM sets the P0300.

P1682, ignition switch code. Was somebody pulling fuses with the key on? Ignition switches, gen 6 and up are not the same as gen 5 ignition switches and their well documented issues. Gen 6 and up, the ignition switch is really just a BCM input telling the BCM what position the ignition is in. The BCM is the Power Mode Master and wakes up other modules when needed, radio for example is powered at all times but is sent a wake up signal from the BCM to turn it on.

P2122, Accelerator position sensor 1 low voltage

P2123, APP sensor 1 high voltage.

P2127, APP sensor 2 low voltage. Those three codes, again, pulling connectors off with the key on? Even pulling connectors off with the key off will set codes on these late model cars, the ECM is awake even with the key off for a period of time.

C0561 and C0242. informational codes. Telling you there is a problem elsewhere, kind of pointless since all you are told to do is look for codes in other modules. Kind of a NSS code.

Remote start will not function with the check engine light on, so fix the check engine light cause and see if remote start works then.

With MAF unplugged, the ECM runs in a backup mode and uses MAP sensor inputs along with throttle position to control fuel delivery, not great but the car doesn't let you sit stranded.

I would clear codes and see what resets and go there. I doubt you have all these issues unless you have a bad ECM ground or something. That would be one of the few things that would cause so many issues at once. MAF/IAT sensor connectors do go bad. The engine flexes and the wires just break internally sometimes. Replacing the pigtail is usually all you need in that case.

If you do have TP or APP issues, it gets more involved. TP and APP issues are there for a split second and gone, they are not normally hard faults, cycling the key will usually allow normal engine operation until the code resets. TP sensors are known for issues, TP sensor used to be serviced only as part of the throttle body but service kits are becoming available to replace just the sensor. Depends on application as to whether it is serviced separately or not by GM. Wiring can also be an issue and restringing the affected circuits is the only way to go. Circuits must be restrung terminal to terminal for an effective repair since all too often the issue is at the terminal either at the component or the module (ECM in this case). Disregard the messages for now and address the codes that reset after being cleared, the code and the messages you see are being caused by the same problem.

What you can try to help isolate a bad MAF/IAT connector is with the engine idling in PARK, slowly manipulate the harness close to the MAF/IAT sensor. If the engine stumbles and you can repeatedly duplicate it, you are onto something. If the ECM sees a MAF signal fluctuate irrationally, it will ignore it and set a code, then manipulating the harness will have no effect since the ECM is ignoring what it sees.
 

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2011 Malibu LTZ 3.6L V6 Red Jewel Tintcoat
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Is the throttle body sensor or what it is called covered under warranty?
Best answered by a dealer's service department. Emissions are covered longer than B2B, and each year the B2B terms change what's covered and what isn't. Powertrain may also cover it. Or not.
 

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I had the same issue with my 2008 yesterday. Fired it up in the morning and it sputtered and rocked. The "reduced engine power" flashed on the dash and then "service traction". I turned it off and sat for a minute then tried again and it fired up no problem. LTere I the day I stopped for an appointment and came back out and nothing! Just a click and then all the power would drop off. It reset the clock on my radio and everything! It would not start for an hour until a tow truck arrived of course, then it fired right up! Drove it straight to the dealer as this is the second time this has happened this year. Back in May I had the ECM replaced as they said that was the problem.

This time they did the recall work for the BCM and charged the battery, also replaced in May, and it fired right up. Time will tell if the fix is the BCM recall or just another trip waisted!

I'll keep you posted!
 

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I have a '09 Malibu with a simiLAR PROBLEM EXCEPT the episodes end in a complete shutdown and I have only had enough power to get to the roadside or a parking space. At first I had it towed X2 and then discovered that I could re start after 15 min. or so. Mechanic after $ 500 and a coupla parts I had the car and the second day out more episodes occurred . The shop kept it for 6 days trying to experience the problem. An episode did leave the tech at the side of the road and he "scanned the electrical and pronounced that the Fuse Block under the hood was needing replacement and another 4 days waiting for the part. I have had the car back for 2 days and my fingers are still crossed. Shop was pretty confident, we will see.
 

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I have had my 2012 in the shop twice for the same problem, every time it rains it seems to happen. My problem came three weeks apart, the first time they kept the car for a week, three weeks later it rained again and I was on the highway. This time in a different state and they had the car fixed in one day. Thankful that it is still under warranty.
 

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I have had my 2012 in the shop twice for the same problem, every time it rains it seems to happen. My problem came three weeks apart, the first time they kept the car for a week, three weeks later it rained again and I was on the highway. This time in a different state and they had the car fixed in one day. Thankful that it is still under warranty.
Glad to hear your dealership has been able to make the necessary repairs for the traction control and reduced engine power, robynd. We certainly understand the inconvenience of having to return to the dealership. If you'd like for us to document this issue within our system for future reference, please feel free to private message us your VIN and full contact information.

Amber N.
Chevrolet Customer Care
 

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I have 2009 Malibu (bought new) and have similar problems from fall 2012 to present. Problems with thermostat, temp sensor, throttle, camshaft actuator sensor, loose terminal at a cylinder. Replaced thermostat/sensor twice, (now at mechanic and being replaced 3rd time). Two mechanics and dealer service center with no resolve. Intermittent problem and each time repairs are done it runs fine for some time, but never completely fixed, problem returns. Initially started with temp gauge not working/thermostat problems then going into reduced power mode. Now just went directly to reduce power mode. Car now out of warranty. Problems noted in forums all over, but no solutions. Temporary fix was cleaning throttle and/or MAF senor, but no vehicle should require that or regular replacement of thermostat/temp sensor. Extremely reluctant to take it to a dealer for service unless I know they have dealt with/resolved these specific problems on other vehicles they've serviced. Seems for the amount of complaints, some identification as to the cause(s) should be arrived at by GM by now.
 

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Well here I come, joining the club.. 2010 Malibu LTZ 3.6 V6. 140,000 Miles. Lives in Kenosha, Wisconsin.... driving back from my vacation in Tennessee. 70 MPH on the highway, and BOOM, ENG PWR REDUCED, SERVICE TRACTION, SERVICE ESC, dropped me down to 20 MPH, and little to no acceleration available. Now take to take it back a little bit. I did notice back in November my car was idling funny , I thought nothing of it, it wasn't severe, I thought it was just the cold weather. because it would stop after a while. Then on our drive down to Tennessee, I noticed my car was again accelerating funny, and RPMS would dive up and down with cruise control on, or on a decline terrain. I thought man, something's just not right. Thank god our break down happened only 120 miles from home, and not 600. So I got it to the technicians. they plugged it in. And Said its the Throttle body. reading around here, and other sources. this hopefully is the fix. we will have to see... any advice would help :)
 

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2011 Malibu LTZ 3.6L V6 Red Jewel Tintcoat
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See if the 13036 recall has been done. BCM connections get cleaned and greased, and a new zip tie added.

Also, check the condition of the battery. The Battery?!?!? Yep, it can cause all sorts of funny issues that you wouldn't expect to be related, but it has happened too many times to too many members. If it's not bad then the free check will be reassuring at the very least.

Also see if the 3-5-R wave plate (transmission) has been upgraded. The earlier models (usually '08-'09) failed prematurely so you may be okay, but check on it anyway if you can get them to do it.

I hope the TB solves your issue. Please keep us posted with what you find out.
 

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Well here I come, joining the club.. 2010 Malibu LTZ 3.6 V6. 140,000 Miles. Lives in Kenosha, Wisconsin.... driving back from my vacation in Tennessee. 70 MPH on the highway, and BOOM, ENG PWR REDUCED, SERVICE TRACTION, SERVICE ESC, dropped me down to 20 MPH, and little to no acceleration available. Now take to take it back a little bit. I did notice back in November my car was idling funny , I thought nothing of it, it wasn't severe, I thought it was just the cold weather. because it would stop after a while. Then on our drive down to Tennessee, I noticed my car was again accelerating funny, and RPMS would dive up and down with cruise control on, or on a decline terrain. I thought man, something's just not right. Thank god our break down happened only 120 miles from home, and not 600. So I got it to the technicians. they plugged it in. And Said its the Throttle body. reading around here, and other sources. this hopefully is the fix. we will have to see... any advice would help :)

Seems very odd to me that the throttle body is the cause. I relayed this story a few years ago and I will share it again here in case it helps anyone.

I bought my 09 LT in Feb 2012 with 13,000 miles on it. Two months later I get in to start it and all Hell broke loose. The door locks started cycling up and down, all available chimes were going off simultaneously, the blue indicator lights in the console showing shift position were cycling through sequentially, the driver info window was flashing the reduced engine power and ECS system warnings, I shift the car into reverse and it slammed hard. I realized later the car was in "limp home" mode - that's like stuck in 3rd gear or something, and you have to start out very slow and can't drive very fast.

All pretty scary stuff.

Very long story short - dealer diagnosed quickly that the main fuse box was shorted out. $385 all in to replace(6 weeks out of warranty) and it has never acted up again.
 

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More on my 09 Malibu again. I've had work done on the throttle body and problem returned. Currently in service now and having TB work done again. Although temp gauge did not stop working or do so intermittently as in past, scan showed was not running at high enough temp and mechanic said thermostat went bad (now 3rd time) - He was surprised by it's appearance. I believe he said it appear to have opened up to quick or something. Never had problems with other significant electrical issues other than key fobs stopped working (was told using remote start wears those out??) and the chime when manually setting doors to lock is muted, but they still work. Thought that my temporary fix to clean TB may have worked by indirectly affecting something else - like bad connections wiring harness at MAF or TPS, so checked those and appear fine. Mechanic was also looking at something at accelerator pedal and drain plug from sunroof mentioned in a bulletin possibly cause problems in engine compartment.

Thinking there has to be some electrical problem since all previous work and re-work has only been temporary fixes. After seeing the message about the fuse box. Will mention that to him.
 

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My independent mechanic replaced the throttle body as well. I didn't re-post till now to make sure problem was fixed.

Dealer never diagnosed problem with throttle earlier. Not sure if it was too intermittent at that time to detect (and still under warranty). My mechanic kept the car for a few days and drove multiple times with scan tool on tracking codes each drive. When reduced powermode occurred they cleared codes and car ran fine for a few miles and would then recur. They traced problem to sensors in TB. Wish this thorough approach would have been done earlier by dealer. Mechanic mentioned that when GM moved to fly-by-wire TBs, these problems arose.

With all the complaints, GM should have had a recall on the TB. Would have saved me and many others a load of repair bills. Talked with someone a couple weeks ago who had same problem with their Silverado. Had TB replaced twice. First replacement GM dealer put in went bad in month or so after it was put in. Shameful.

Been multi-generation GM family for years. Not so sure about next purchase though.
 

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My 2012 malibu ltz w/v6 is having the same problem. This happened once almost exactly one year ago in the middle of Feb. in Massachusettes while we are in a deep freeze with 2 snow storms a week. The dealer went by the codes and said the throttle body needed to be cleaned at 40k miles. This year at the same time of year it's doing it again. I knew restarting the car would reset it and wanted to see if this was some fluke that would fix itself instead of freaking out and bringing it to the shop immediately and getting another $200 throttle body cleaning that doesn't fix the problem long term. Do cars really need the throttle body cleaned once a year. I'm really upset I've been driving chevys my whole life and they have been dependable and now the newest one I've ever owned is going to have funky computer issues. I almost feel this is a designed flaw to make the service dept more money or something. I know the car is completely capable of driving if it didnt force itself into limp mode. I still need the recall fix on the bcm wiring. I'm hoping that will take care of it, but who knows with all these minor conditions that can cause it to limp. I can tell the receptionist is getting ready to suck as much money out me that they can get when she says "sir this recall is for a brake light, i dont think it has anything to do with your problem". Really? Are you a mechanic? No youre a receptionist who cant read very well because it says right on the recall description that service esc, service traction are tell tale signs of the recall condition, but she's ready to charge me another $200 for a throttle body cleaning. Every time I attempted to explain the history of this problem she cut me off. Just like the first time when I was trying to explain what the car was doing before it fixed itself. I bought an after market warranty and what really burns me is they wouldn't replace the throttle body and charge it to the warranty and have it only cost me $100 deductible. I don't think I'll be buying GM again I'd rather a hyundai or kia at this point. I didn't spend $20k to be at the shop more than the 2004 impala i was driving when it was 9 years old. Has anyone had a lasting fix with throttle body repairs or did it comeback? And to hear a dying battery could cause these kind of issues is really discouraging. Since when do batteries not let you drive the minute they get weak? Usually the car runs until it no longer has the power to start the car and it's very simple to tell what it needs. Why in the world do they make these computers so quick to put the car into an undrivable state? If it were to go from normal to limp on the highway that would be a scary situation.
 

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Did anyone get the safety recall 13036 done and have it fix this problem?
No it did not. My first issue is that the recall on my car was only for the brake problem. But it seems that all parts of the recall should have been repaired. My 2011 Malibu LT2 is still at the dealership because the problem still exist. We need to call and complain about this issue. GM knows this problem is happening to these Malibu, but they are not taking responsibility for it.
 

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I am having this same problem in my 2011 Chevy Malibu LS, 43,634 miles. As I was driving home yesterday the traction light came on and the engine light came on soon after. I stopped and put air in the tire as it was shown through the info button that the front right tire was low. The traction light went off but the engine light remained on as I drove home. This morning I was going to get my oil changed and as I was starting the car it began to shake very bad and the dash displayed the message "Engine Service Reduced Power" at this point I shut the car down and from that point it hasn't started up again. I attempted to start it numerous times and all it does is clicks and looses all power as the dash goes black and the interior light go out.
From reading these other posts on here this seems like a common problem with the Malibu and Chevrolet should do something about this before someone loses their life. This seems to be a manufacturing defect and I don't feel that as a consumer I/we should have to pay for a repair to a problem that I/we didn't create. I will be into the Chevrolet dealer, that I purchased my car from, Tuesday to try and get this problem rectified.
 

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My problem ended up being the throttle body. Unfortunately it appears this is what these cars do whenever there is a problem with any of the electronics. I had to replace the throttle body, power steering pump, front brakes (because they started grinding after breaking hard one day), and a tie rod end within two weeks time. I'm not impressed with the amount of issues I've had in two years of ownership. Probably be better off with 2008 or older if I'm going to have constant repair bills while having a car payment anyway.
@DLB Theyll probably be able to fix it. It's just really confusing to us because esc and traction control seemingly have nothing to do with problems. If they tell you your throttle body needs to be cleaned I would tell them you want it replaced instead. The first time I had the problem thats what they did and it came back a year later. Your's sounds like it could be a dying battery to me. The service esc , traction, red engine power seem to be what the car does whenever the computer gets bad signals from any number of the electronic parts. I for one am not a huge fan of using electronics for every thing especially on critical parts that reliability is a major concern.
 
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