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
Brian Arrington: My car has had this problem since 40k miles. It now has over 70k miles. Ill
be driving down the interstate and the power steering will go out. This
isnt safe, but when I called GM they said "tough luck". Report your problem
to NHTSA at 18883273246 if they receive enough complaints GM will be forced
to issue a recall.
lisa robertson: Same problem with our 2005 Chevy cobalt. Bought this for our newly driving
teen. Replaced the ecm and the tcm. Cleaned the ground wire to the ecm.
Found that it was a fix for two weeks. While driving it will randomly loose
all power steering. All of the gauges and lights go crazy. Transmission
shifts very hard. The car stalls out. Also have a clicking noise in the
transmission shifter all this goes on at the same time. Anyone have these
same problems and found a fix for it? We only bought this car 19months ago.
The car had just over 30 thousand miles on it and we have put about 1500 on
it. My guess is that the previous owner was having the same problem and
that is why the low mileage. I don't know .. but my 17year old draughts
life is more important than any $$.
Leah Marrs Scott: VERY same problem with mine today. Had it fixed. Got a new transmission
control module. Works fine now.
Gorgi Dimitrov: i have same prpblem.on my 06cobalt can you tell me how to fix
Ivan Ortega: i have the same issue with my cobalt can u please help me out
Texassince1836: Ignition switch will do this
Jaime Merino: Bad luck, mine is still great!
birdman3003: try disconnecting both battery posts for 20 minutes. this is to reset
transmission control module. reconnect both battery posts and start car.
the check engine light should go off. if your tcm was not previously
dammaged then it should shift normal because it stores shift points and
sends them to the transmission. if it does not shift as normal then you
probably need to change the tcm...Please note, in trying this POSSIBLE
SOLUTION, YOU ARE DOING SO AT YOUR OWN RISK. IT MAY BE BEST TO TAKE CAR TO
A CERTIFIED MACHANIC!!!
Sandra Burleson: Found my 2007 Chevy Cobalt problem: it's not a Ford Ranger.
Alisa New: thanks for this, my car is doing this!!!! except i'm having trouble with my
traction too! I'll check into the power steering issue though with my
KYLUVSM: 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.
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.
Joseph Lennemann: Hey in your video I can hear your car making a rattleing noise as your
driving. Mine is doing the exact same thing. Do you know what it is by a
Trenton Westphal: /watch?v=YBOfjXaG4dg check this out. my cobal went crazy too last year.
Nickocosmicfatplanet: @CJStenstrom if it's slipping gears and not shifting it's probably your
transmission control module. just have the dealership replace it. fixed my
problem. still getting rid of the damn thing though...
Al Lewis: @Nickocosmicfatplanet Yeah deffinantly chevy. On the new buic enclave gmc
traverse and similar models have 7 differen leaks in the car and the owners
manual states that ther are leaks! Well if you ever decide to buy an
american car get a ford they is highest in reliability out of the us
automakers. Check out their website if ya want.
synlt: my car does exactly the same thing and my dealer can't figure it out......
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?
THATGOODMUZIK: HEY BUD WELL TRY REPLACING THE TCM BUT ITS NOT A PLUG N PLAY TYPE DEAL YOU
GOT TO GET IT RE-PROGRAMEND AT DEALERSHIP. PART AT AUTOZONE IS $104.99 WITH
LIMITED. LIFETIME WARRANTY N TO PROGRAM IT IS BOUT $45. IF NOT TRY N CLEAN
YOUR TB(THROTTLE BODY) HAS NOTHING TO DO WITH TRANS BUT IT MIGHT GET YOUR
GAUGES WORKING AGAIN LIKE SPEEDOMETER, N IT MIGHT SEEM LIKE YOU FUKKED UP
YOUR CAR BUT ITS CAUSE ITS TRYING TO REPRROGRAM ITSELF AFTER THE TB CLEAN
SO DONT FREAK AFTER CLEAN N U RE ASSEMBLED TB
mark penns: its your bushings this is a major problem they contract and expand allowing
your shocks to make that banging sound if it comes from the back either
side thats what it is, a 80 dollar part, little labor
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
Al Lewis: Dude u need to get rid of tht and buy a ford.
C0LL1N: dong click dong click dong click dong
Nathan Shelton: i got my control module replace....worked great!!!....for 1000 miles....its
will progressively get worse!!!...ur entire odometer will go
haywire...doors will lock and unlock on their own.... steering wheel will
be stiff as hell...cant turn to save ur life... im getting mine towed in
Neojester15: i had this same issue, where the dashboard would go nuts, i paid 600
dollars at a dealership to fix it and a day later it did it again,,if they
cant fix it this time, im selling it and getting an eclipse, mustang, or
jetta, and i even put new rims on too,for 1200 dollars.
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?
Nickocosmicfatplanet: @MicroOrginisum i'm actually getting rid of it and buying a mazda3 hatch.
freak chevrolet. in fact, freak american cars entirely.
Danny Rocket: Never had this problem with my 2005 Cobalt. However, I took apart the
cluster to change the bulbs and now the gauge needles are off. I can't
figure out how to reset them back to normal. My car has 85,000 miles ...no
major problems...just the bugs that it had when I first bought her...first
Gen..what you expect.
Christian Stenstrom: I'm having same issues with my 06 Cobalt! Just had the power steering motor
replaced 1wk and 2 days ago and it started acting up again yesterday! I am
desperately looking for help so I can fix it! I've called GM and taken it
in so many times and they are clueless. I am 6 months pregnant and
terrified of this car but it's all I have! I wished GM would take this more
serious! I'm posting video of what my car does tonight as I'm looking for
any answers! Thanks for posting!
themax2003: Thank you fo posting this. My 06' is doing the same thing and I googled for
what it might be, and your vid came up.
Korin M: Same.... I heard about the power steering, but not the control module.
Until just now -__-
kimmepooh19: @Nickocosmicfatplanet My cobalt is doing the same thing right now. I took
it to the dealer a week ago they kept it for 3 days and claimed they
couldn't find anything wrong with it. After I got it back it drove fine
until today. I have been trying to find a tcm but i cant. So is this a part
you have to get from the dealer and about how much does it cost to fix.
Thanks for your help.
Chea Daz Parris: Recently had the same trouble with my 06 Cobalt. Only occured after I took
the car in to a Tire Plus shop to get a quick Oil change. They sabotaged my
car. While they were underneath they unplugged the speed sensor. Most of
these shops do things to Ur vehicles so that they can get more business
from U. Thankful I had my uncle to check with his scanner
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
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!
blacuraRL: And this is why I will never buy a compact american car.
synlt: @Nickocosmicfatplanet i had to replace both of my lower control arm
bushings at 40k miles
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
supaphreak2045: Thats why you buy a manual transmission
Pokey D: @Nickocosmicfatplanet Sorry to hear that, but my other friends who own the
Cobalt hasn't have same issue as you do.
Matt McPheron: My wife's car has the same problem. However, one issue I can't find an
answer for is why a pair of wires behind the motor(appearing to be going to
the transmission) were ripped apart. Yellow and purple wire. They were
ripped right above the bracket that holds them in place.
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.
Allen Sarinana: Hello I am having the same exact problem. Do you know where that module is
located ? Thanks
Nickocosmicfatplanet: @lennemann23 it's a mixture of the crapty road and the fact that the car
either had a bad control arm bushings or a freaked wheel bearing.
branw11223: how much does it cost to replace the tcm?
J&M: It's a Chevrolet lol did y'all research what it actually replace before you
ran out and brought one of course it was gonna be crap
Bobby Cross: my cobalt keeps locking me out so i cant start it then i leave it for 15-20
mins then it works then it dies then works
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.
2006 Chevy Cobalt Transmission Control Module failure4.2
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