Nikki F: my check engine light just came on this morning. I own a 2006 Chevy Cobalt LT. 2 Dr. should I go to Advanced Auto to let them test it?
Souleye Oudraogo: I turn the ignition on ..but the check engine light is off ..the problem is I was putting a new horn on the the the positive touched the body of the car nd now the problems started ..the car won't start at all ..what should I do ..u think that the pcm is scratched..
Joe Nardone: A friends car had a similar problem, researching I found that either a pitted fuse for the "transmission control Module or TCM" or a loose wire can be and was our problem!! The fuse was fine!! but one of the wires I aimlessly moved around did move, the car has worked well since, the problem is I don't know which wire it was!!! but have pinpointed where the problem is, "in our case" Along side your transmission shifter on the passenger side is a panel to gain access to your Body Control Module or BCM. " Google Colbalt BCM Location and check images" the fuse number for the TCM is 25 if the fuse is ok then check for a loose wire in the BCM!! Hope this helps someone!!!
Martin Salas: para reparar este problema hay que abrir el modulo TCM, biene muy bien cerrado, pero hay que abrirlo y en la parte de adentro hay que soldarle un pequeño alambre que es el que hace la tierra con el conector exteror, se troza por eso marca este error, yo ya lo hise con mi carro y funciono
Juan Torres: Ive been having this problem. I took it to the dealer, the mechanic hasnt given me a call back. The scanner code that appeared was u0073 communicaton modle bus off. I called and emailed GM well as NHTSA. Just waiting for a response. I hope they make a recall on this issue its unsafe to drive like this. I did my own research. I came across that alot of people changed the TCM and problem was fixed. But some suggested to clean the fuse box the BCM and ECM. Check the ground wires and Transmission wires. I did that and drove the car a few blocks and it seemed ok.... For now... If the issue continues I guess I'll have to buy the TCM ugh.
Amber Webster: Have the same problem here with a 2008 chevy cobalt never again in my life will i drive or own a chevy this never would have happened with a ford. Whats the fix to this
Amber Sanders: my 05 cobalt did the same thing and they replaced my tcm and a yr later it started doing it again! the dealership said 1200 to replace power steering unit. cobalts were recalled for power steering in 2010 so if u haven't had urs serviced at dealer to replace unit its free under recall. as for the tcm...I don't think it will ever get better since mine did it all over a yr later.
Bernadette Mendoza: my car hesitates to shift, like i try to put it in gear and it gets stiff. i just replaced the transmission. also, sometimes when i turn it on, my rpms fluctuate over and under the 1. it feels like its about to die, but it doesnt. and it doesnt lose power when im driving, help?
Strife Cloud: Hey I have a 2006 Chevy cobalt, when I shift to drive I hear a loud thump, when i shift to 2 gear I hear another thump and it hesitates, then it won't shift to 3rd gear, any ideas?
Jason Smith: It really depends on how you take care of it. Mine has over 150,000 miles and all ive needed when i got it used was newe brakes and a new terminal for my battery cause the old one was corroded and wouldnt allow me to start everytime
Jason Smith: ive had mine for a year n it has over 150,000 Miles. Havent had any problems except squeaky old brakes n car not starting everytime because of an OLD terminal. Its VERY Reliable. And if you think its so crappy, how you going to sell it if you have nothing good to say? Idiot like you obviously dont know anything about cars n should just keep out of one.
Leo D: well it happens that chevy cobalts are cheap pieces of crap! they have cheap front suspension, its almost normal to hear cluncks rattles and other noises in these poorly made cars. I have an 05 and I already put a good amount of money on it, Its going for sale soon..... So please people get rid of your cobalt and buy a more reliable car!
Allen Sarinana: Hello I am having the same exact problem. Do you know where that module is located ?
Korin M: How much did this cost you to fix? The one I just bought did the exact same thing 24 hours after I bought it. Of course, no sign of ANYTHING wrong when my dad and I test drove it. It's at the dealer for diagnosis right now, but clearly this is the problem.
Korin M: Same.... I heard about the power steering, but not the control module. Until just now -__-
Dennis Duffy: Use DeoxIT like it shows in the YouTube vidoe titled "DeoxIT treatment to repair a CAN network problem". I did this and all the issues went away.
William Petro: Maybe if everyone didn't treat there cars like crap this wouldn't happen. I'm sick of people like "it's Chevy blah blah blah" it's freaking American. Along with ford and dodge. So just be around that the companies atleast originate in America and stop supporting foreign crap. I have an 08 cobalt that I never have any issues with. And it's perfect cosmetically and mechanically... So please people. Just be proud it's somewhat American. God bless:)
K Yo: I did so much research on this vehicle and couldn't find anything bad until now, a day after I signed the papers to get it...FML.
insylem: That's how you know it's a cobalt
2006 Chevy Cobalt Transmission Control Module failure5
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