Automatic Transmission Control Module Problems of Chevrolet Cobalt

The contact owns a 2008 Chevrolet Cobalt. The contact stated that the steering wheel became hard to turn while parallel parking. The power steering warning light was illuminated. The contact stated that first the transmission control module, the traction control, ignition and power steering warning lights illuminated. The contact stated that the gear shifter was not shifting to first gear and that the speedometer was not functioning as designed. The contact stated that after the tcm was grounded to the chassis, the gear shifter shifted as designed. The contact also stated that shortly after the failure, the power steering became hard to turn. The vehicle was not taken to a dealer or an independent mechanic for diagnostic testing. The contact referenced NHTSA campaign number: 10v073000 (steering) and stated that the vehicle had experienced the same failure. The manufacturer was not made aware of the failure. The failure mileage was approximately 89,000.

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2-3 weeks ago I got in my car to go somewhere. From the time I pulled out of my driveway my car was in limp mode. At the same time my check engine light, air bag light, power steering light, service traction light and theft light all came on. I got my car back to the house and when I shut it off it would not start back. I hooked it up to the obd2 scanner and the codes that came back were p1682( faulty ignition switch) and code u0101(transmission control module).

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Tcm module, power steering and odometer not working properly.

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The contact owns a 2005 Chevrolet Cobalt. The contact stated that the transmission failed. The contact stated that the transmission shift point failed and caused the vehicle to shift gears incorrectly and causes the vehicle to jerk and stall. The contact also stated that the power steering warning light illuminated and caused the steering wheel to be difficult to turn. The contact stated that extra effort was needed to steer the vehicle. The contact also stated that the vehicle speedometer failed to operate as designed while driving, providing speed readings of 40 mph, 20 mph, 50 mph intermittently. The contact took the vehicle to an independent mechanic. The mechanic replaced the transmission control module however, the repair failed to correct the failure. The vehicle was not repaired. The vehicle was also taken to several dealers and independent mechanic however, the vehicle was not repaired. The manufacturer was not contacted. The VIN was not available. The failure mileage was 100,000.

My problems are came about with the electronic power steering on this vehicle as I have searched and found the problem too be very common. Found that it has been widely recalled including my model year with numerous complaints too the NHTSA. The first time it happened I was getting ready too go to a doctors appointment, the power steering message came on the dashboard, everything seemed too be working except the speedometer and it drove fine. On the way back home however the car would no shift past first gear. I took it too a mechanic that lives next too me. He said the wiring harness was bad, replaced it, got it back. Drove fine with no problems for three weeks, even the driver front blinker was working which had never worked since I got the car back in March of this year. Then after the three weeks the power steering message came back on and all the same symptoms are back, no speedometer, hard shifting if any, it even caused the engine light too come on this time which an auto parts store determined too be a random misfire. I changed the spark plugs and it went off. My theory is that the tcm is not grounded correctly too handle this and shorts out as I have found that others have grounded the tcm and it has fixed all the problems too their claim. I searched recalls on my car using the VIN and my car is not listed on it and since this has been recurring and I've had all the problems everyone else has noted I feel that is a great concern. The message and all the effects happen as soon as I start the car if it's going too happen (so far). It first happened on the date indicated and then again on 11/15/2016.

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The contact owns a 2005 Chevrolet Cobalt. While driving approximately 45 mph, the steering wheel seized and became difficult to steer. The power steering and a yellow padlock warning light illuminated on the instrument panel. The vehicle was taken to an independent mechanic where it was diagnosed that the power steering motor failed. The dealer diagnosed that the power train control module needed to replaced. The vehicle was not repaired. The VIN was not included in NHTSA campaign number: 10v073000 (steering). The manufacturer was made aware of the failure. The approximate failure mileage was 158,000.

While driving in town shortly after turning onto a 45 mph road my vehicle, automatic, started hesitating while shifting into the next gear. It would shift but not like normal. Brought it into a repair shop to have a diagnostic ran to be informed it is a failure to communicate with tcm. Code u0101 and also u2100. After doing research there has been multiple complaints about this. So first things first replaced the tcm with a new one at the dealership. After replacement the vehicle is still not shifting correctly.

Gm replaced ignition parts and shifter mechanism as per recall. Shortly after issues began with steering locking up, transmission not shifting and various warning lights flashing. This became more frequent and is now impossible to drive. My technician says it is a body or transmission control module costing well over a thousand dollars. There appear to be 100s of 1000s of the same issue as per search engines. I will contact my local gm dealership. If gm will not back up its product it will be the last gm in my driveway. I will trade in on a Toyota.

The contact owns a 2007 Chevrolet Cobalt. While driving at approximately 70 mph, the accelerator pedal was depressed and the speedometer remained on 0 mph. The failure recurred numerous times. The vehicle was taken to numerous dealers, who confirmed that the transmission control module needed to be replaced. The vehicle was repaired, but the failure recurred. The manufacturer was made aware of the failure. The failure mileage was 140,000.

The contact owns a 2005 Chevrolet Cobalt. The contact stated that while driving the power steering failed after the power steering light illuminated. The vehicle was taken to the dealer. The technician diagnosed that the transmission control module needed to be replaced. The repairs were made but the problem persisted. The manufacturer was made aware of the failure. The failure mileage was 24,275.

The contact owns a 2007 Chevrolet Cobalt. While driving at an unknown speed, the vehicle lost power steering and the power steering, service engine, and service air bag indicators illuminated. The vehicle stalled and was able to be restarted; however, the indicators remained illuminated on the instrument panel. The vehicle would not shut off, but the key was able to be removed from the ignition. The vehicle was towed to the dealer for diagnostic testing and the transmission module was replaced. The contact stated that the vehicle never experienced ignition failure until it was repaired according to NHTSA campaign number: 14v047000 (air bags, electrical system). The manufacturer was notified of the failure. The approximate failure mileage was 95,000.

2006 Chevrolet Cobalt. Consumer writes in regards to vehicle stalls while driving and consumer requests reimbursement for repairs. According to the invoice, the dealer found a low voltage under the hood and several bare wires from old repairs. The pcm was replaced and reprogrammed.

While driving, the check engine light came on and the information display on the dashboard flashed "power steering. " the car began shifting in and out of gear. The shifts are very rough and cause the car to jerk. There is also a rapid clicking sound that comes from the area of the gear selector. The code for the check engine light relates to the transmission control module.

After approach from stop sign, went to accelerate, vehicle stalled, dashboard computer lights flashing, I. E power steering, brake, mph, and pinging. Started vehicle after multiple attempts. Difficult steering, accelerating no more than 30 mph, and transmission jerking. This vehicle has been to shop 2 times. The trans module was replaced August 1, 2012. A day after pick up, it had the same issues I. E. Difficulty steering, unexpected stalling, rough limited acceleration, flashing computer lights on the dashboard. The auto shop employee assured me" it is safe to drive and do not be afraid. . " the shop had this vehicle for three weeks. It was written on invoice, " car driven for 26 miles trouble free has possible inop issue, but is operating as designed. " nine days after pickup this vehicle still remains unsafe on the road, with unexpected stalling stopping I. E stop/ go traffic, intersections, and computer lights flashing on dashboard. The tcm /ecm issue is still not resolved causing a safety issue with unexpected stalling and difficulty steering and loss of acceleration.

The power steering light came on. I had no mileage or speedometer reading. I took it to mr. Tire which was about 3 miles away. They put the car on a machine and found mil code u0101. They told me to take it to the dealer because there was a recall for this. I called the dealer the next morning and took it right over to them. They had the car for two days and finally called me and told me that they had to replace the tcm and reprogram it, clear the codes and retest. This was going to cost $500. I had taken this car to bob bell last June when I received the recall notice. It was repaired. After a few months I noticed that three or four times the signal came on about brakes but then disappeared and everything seemed fine. Then this Monday this happened.

The contact owns a 2006 Chevrolet Cobalt. While driving 45 mph he noticed that the power steering light was illuminated on the dashboard. Within a few minutes, the contact lost complete power steering. The vehicle has not been diagnosed by the dealer and there were no prior warnings. The current and failure mileages were 105,230. Updated 03/12/10. The consumer believed the problem was with the pcm. Updated 09/21/10.

The contact owns a 2007 Chevrolet Cobalt. While driving 50-60 mph, the vehicle failed to upshift. The gear would remain in the downshift position. When a trailer was attached to the vehicle, the gears would not upshift and the vehicle could not accelerate. The trailer nearly rear ended the vehicle. The failure occurred numerous times and was taken to the dealer twice, but they could not determine the cause of the failure. The vehicle is currently at the dealer and they believe a new transmission control module is needed. The module has been replaced twice, but the failure still persists. The contact believes that a recall should be issued. The failure mileage was 7,048 and current mileage was 34,449. Updated 12/22/08 . Updated 12/22/08.

- the contact has a 2005 Chevrolet Cobalt with 14445 miles and the vehicle has lost power when the traction control engages. The vehicle has all wheel drive. The vehicle stalled while driving on the under wet conditions at 45 mph. The contact was able to pull the car over to the side of the road. The contact has taken the car to the dealer (curry Chevrolet) and they the not been able to diagnose the problem. The contact has all repair orders.

: the contact stated while driving 45 mph, the vehicle went over a bump, and the engine stalled. The vehicle was restarted, and taken to a service dealer, who determined the pcm was faulty, and uploaded new software. This did not correct the problem.

: the contact stated while driving at various speeds on two separate occasions the vehicle stalled without warning. The first time occurred while pulling in to a toll booth. After completely shutting off the vehicle, it restarted 5-10 minutes later. The second time the vehicle was towed to the dealership. After inspecting the vehicle the dealer replaced the pcm in the transmission. The failure did not reoccur after the pcm was replaced.