2005 Chevrolet Cobalt Problems

What owners report

Owners of this model year most often describe a sudden loss of power steering assist, with the steering wheel becoming hard to turn and a warning indicator coming on, sometimes at speed and often intermittent until the vehicle is restarted. Complaints also describe the key sticking in the ignition or the engine shutting off while driving, fuel odors and leaks near the left rear wheel, and transmission or stalling behavior. Reports span a wide mileage range, from a few thousand miles to well past 150,000.

1. 1
   Steering

   Loss of power steering assist while driving

   • 1,121 complaints (68%)
   • median 61,000 mi at 5.2 yrs old (1005 state mileage)
   • 48 mention a crash, fire or injury
   • owner-quoted repair $900 (median of 146 quotes)
   • filed 2005–2026

   Owners describe the power steering warning light or chime appearing and the steering wheel suddenly becoming very difficult to turn, sometimes at highway speed and sometimes in the middle of a turn. Many say the assist returns after shutting the engine off and restarting, then fails again later, and some report the remedy stopped working or required a steering column, rack, or module repair. Complaints mention that the dealer either could not find the cause or quoted a repair cost, and several owners attempted repairs only to have the symptom recur. Reported across a wide range of mileage, from under 30,000 to 200,000 miles, with many descriptions around 30,000-100,000 miles.

   Recall 10V073000

   What to check: During a test drive, watch for the power steering warning indicator and whether effort becomes heavier in turns; ask whether the steering assist system or column has been replaced and under what campaign or repair.

   2 excerpts from owner complaints in NHTSA records

   “Power steering light comes on and power steering fails while driving on the interstate at 70mph. This incident happened about a year ago, my cars power would completely shut off and my car would go from 70mph to 10 MPH in about half a second while driving on the interstate. I will never buy a Cobalt again. I had the issue fixed, or so I thought last year, but because it happened again tonight, it looks like it was not resolved.”

   NHTSA complaint #10260887, filed 2009-03, 68,400 miles

   “2005 chevy Cobalt has power steering failure. Power steering is fine and working until about 10 minutes into a drive. The power steering message comes on the display at the dash and steering becomes very difficult. Power steering returns upon restarting the vehicle but will usually fail shortly after. I have done internet research and found that this is a common problem for this make and model. My vehicle is in the shop now awaiting an estimate for repairs.”

   NHTSA complaint #10298268, filed 2010-01, 67,000 miles
2. 2
   Electrical system

   Key stuck in ignition or engine shuts off

   • 623 complaints (38%)
   • median 63,000 mi at 5.2 yrs old (539 state mileage)
   • 29 mention a crash, fire or injury
   • owner-quoted repair $800 (median of 49 quotes)
   • filed 2005–2026

   Owners describe the key becoming stuck in the ignition, sometimes in the accessory position so the engine cannot be turned off, and sometimes requiring the manual key release. Other complaints describe the engine cutting out or stalling while driving, with the ignition switch involved or the key and stalling occurring together, and some say the dealer indicated the ignition switch was already serviced or that their vehicle was not covered. Some reports mention security or electrical symptoms such as doors locking and unlocking or false alarms alongside these events. Reported from very low mileage (under 10,000) up to around 200,000 miles, with several reports between 40,000 and 100,000 miles.

   Recall 14V171000Recall 14V047000

   What to check: Try turning the car off and removing the key several times, and ask whether the ignition switch recalls were completed and whether the key release or cylinder has ever been replaced.

   2 excerpts from owner complaints in NHTSA records

   “While driving through an intersection car shut off. This loss of power while driving has happened several times over the last few months. I called chevy dealership today and was notified ignition switch was already repaired previously and that I may be charged a diagnostic fee if I bring the car in for repair.”

   NHTSA complaint #11363362, filed 2020-10, 200,000 miles

   “I had the ignition cylinder replaced about a year ago, due to the key not being able to release. This was a common problem with 2005 model year cobalts. Well, the vehicle is doing this again. The key is not being released from the ignition cylinder. However, this time I believe it is the shifter assembly that has gone bad. There is no reverse lock out. I can freely cycle through the gears without applying the brakes which is a safety hazard. I can put the car in reverse without applying the brakes by simply moving the shift lever. …”

   NHTSA complaint #10563456, filed 2014-02, 48,000 miles
3. 3
   Transmission and drivetrain

   Transmission jerking, hard shifts and stalling

   • 254 complaints (15%)
   • median 65,500 mi at 5.4 yrs old (223 state mileage)
   • 12 mention a crash, fire or injury
   • owner-quoted repair $700 (median of 17 quotes)
   • filed 2005–2023

   Owners describe harsh or incorrect shifting, jerking, and stalling, sometimes appearing together with the power steering warning and a speedometer that stops working. Some complaints link the behavior to a shift point problem or a transmission module, and dealers reportedly told at least one owner that a transmission concern was not covered. Others report clicking noises and poor idle alongside shifting complaints. Mostly described above 60,000 miles, with many reports between 90,000 and 200,000 miles.

   What to check: Test drive at low and highway speeds and note any hard shifts, slipping, or delay when accelerating; ask about transmission service history and any prior module or shift-point repairs.

   2 excerpts from owner complaints in NHTSA records

   “While driving vehicle traction control, security light, engine light, brake light, all come on then power steering warning comes on and transmission starts jerking, and is hard to control. It has problems braking and shifting gears. There are alot of problems with this model from chevy and no one seems to have an answer to what causes the problem. I have had into 2 different chevy dealers and still this problem not fixed.”

   NHTSA complaint #10368423, filed 2010-11, 90,000 miles

   “Car shuts off and loses power while driving and the key keeps getting stuck in the ignition and the doors keep locking and unlocking constantly until it loses power again after changing the battery”

   NHTSA complaint #11350845, filed 2020-08, 144,674 miles
4. 4
   Air bags

   Airbag deployment and airbag warning concerns

   Mentioned in 4 of 60 sampled complaints

   One owner reports the driver's frontal airbag deploying without a crash, with the complaint noting a detached clock spring wiring harness in the steering column was found. Other complaints mention airbag-related work performed under previous campaigns and whether the vehicle was covered. The reports are limited and vary from roughly 75,000 to over 100,000 miles.

   Recall 14V047000

   What to check: Ask whether the airbag and ignition switch recalls were performed and whether the airbag warning light stays off after the bulb check at startup.

   2 excerpts from owner complaints in NHTSA records

   “I got the car a few years ago only drove it for 5 months found out about the recall. I had to pay for the car to go nassau bahamas. They never ship it for me .they paid the ignition repairs never gave me a rental car. Then I called back a few months about a warranty say 60,000 miles or 5 year they tell another recall for the same thing. So I started checking come to find all kinda law suit on that type model. They want the car off the road. I asked them to pay out the car. Can't get a response. …”

   NHTSA complaint #11320527, filed 2020-04, 15,000 miles

   “The contact owns a 2005 Chevrolet Cobalt. The contact stated that while driving at an undisclosed speed, the driver's side frontal air bag deployed independently. The contact sustained burns on the forearm and temporary hearing loss due to the deployment of the air bag. Medical attention was sought. The vehicle was towed by the insurance to an independent mechanic to be diagnosed. The contact was informed that the clock spring wiring harness detached and needed to be replaced. …”

   NHTSA complaint #11299227, filed 2020-01, 75,000 miles

Buying note. Check the steering assist and ignition switch service history first, since those account for most of what owners describe, and inspect the fuel lines above the left rear wheel for rust or leakage. A pre-purchase inspection that includes a test drive with turns, stops and restarts is the most practical way to look for the intermittent steering and stalling complaints.

Summary written with AI from a sample of 60 NHTSA complaints for this model year (picked at random, with complaints that state a mileage and recent ones taken first), then checked automatically against the source records. Where a problem shows a complaint count, every complaint for this model year was matched with fixed keyword rules (written with AI and tested against the sample), and the mileage, age and repair figures are calculated from those complaints; owners' figures are as stated, not verified. Other counts refer to the sample. The excerpts come from NHTSA's public complaint records and are unverified; capitalisation is normalised, NHTSA staff notes are removed, and shortened text ends with “…”. Something wrong? Request a correction.