Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety.

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pretty bad
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
6,280 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2015 Chevrolet Corvette drivetrain problems

drivetrain problem

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2015 Chevrolet Corvette Owner Comments

problem #5

Jul 252016


  • 17,000 miles


Automatic A8 transmission has the following issues: 1)morning shift from reverse to drive severely delayed, bangs in eventually. 2) erratic shifting in normal traffic 3) the 2-1 downshift when coming to a stop results in severe bang, lurches forward and is very unsafe in a parking lot situation. Also in stop and go traffic, same lurching forward. Feels as if someone hit you from behind 4) torque converter lockup in 5th and 6th gear. Dealer tore apart the car to replace the stator, performed software update - neither solution worked.

- Murphy, TX, USA

problem #4

Jan 072016


  • 9,300 miles
The A8 automatic transmission in the 2015 Corvette is prone to occasional hard downshifts from 2nd to 1st gear when driving at slow speeds (less than 10 mph). Sometimes the downshifts are so violent that the car jerks forward several feet. The first time it happened I thought I had been rear ended by another car. The unpredictable behavior of the transmission is especially dangerous in proximity to pedestrians or other vehicles.

- Salado, TX, USA

problem #3

Nov 222015


  • 1,600 miles
Automatic 8 speed transmission had to be replaced at 2000 miles on the odometer due to hard shifts and shifting automatically to low gear at highway speeds nearly bringing the car to a stop in interstate traffic, now 700 miles and 4 months later the transmission is stuck in second gear and you cant drive fast enough to get out of the way of traffic. And I know of several other cars like it that have similar problems. This is a real safety problem and GM seems to ignore it, probably until someone gets hurt or killed.

- Lexington, KY, USA

problem #2

Feb 272016


  • 2,000 miles
8-speed automatic transmission always shifts erratically when starting out cold (lazy shift, slow shift, etc.) and occasionally does not downshift when car comes to a stop, only to slam hard into 1st when gas pedal is pressed to resume travel. Dealer says GM claims this is "normal, " but no car I've ever owned behaves like this. Appears to be fluid starvation internally. Any fix/replacement would be costly for GM, so given their history w/faulty ignition switches, not surprised they're trying to avoid it. Transmission is definitely not normal and behavior is unpredictable + unacceptable -- especially at this price. When car is moving & transmission is in drive and trying to lazily shift gears, you temporarily lose ability to apply power, which is both dangerous and unnerving. Clearly, this transmission was put into production w/inadequate testing & development. A recall is necessary to fix properly.

- Kansas City, MO, USA

problem #1

May 012015


  • 1,500 miles
8 speed automatic transmission down shifts at a stop with such force it feels as you have been hit from behind by another car while coming to a stop. Transmission also will not always engage properly and will over rev and slam into gear possibly causing an accident. Transmission at times will disengage while going forward then slam into gear with great force. I was told by a GM insider that GM is aware some transmissions are defective and is working on a kit to fix the fluid starvation problem internally but has done nothing to inform owners of the potential dangers of erratic shifting that it's causing while driving. This also causes the transmission to over heat and to illuminate a warning lamp.

- Downers Grove, IL, USA

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