Was driving highway when suddlenly the engine power was reduced and traction contriol stability track cam on and said to service was going 65 dropped to 45 almost got hit by rig.was near exit pulled off but car accelerated through light even though foot was on brake, took corner very fast and back into a gas station where i whipped it into park and shut off engine.turned engine back on after i calmed down check engine light was on, after idling forabout 15 min the same thing happened the engined reved then powered down etc.this happened 6 times just to get vehicle to dealer where it was the throttle positionong sensor,not covered by warranty of course. i am luck i did not lose my life. *tr
I started to encounter the following errors on my 2011 chevy tahoe; service traction control, service stabilitrak, engine power reduced during the winter months of 2012-2013. i could be simply doing the task of warming the vehicle up in the morning, driving on a paved road going 35mph, or full blown in the middle of freeway/highway traffic. the vehicle will violently start to idle with the warning indicators mentioned above, i then have to somehow pull over in the middle of traffic because i'm unable to get any power due to the engine power reduction. shut the vehicle completely off and patiently wait until it decides to reset. this could happen once a day to multiple times a day. it could happen immediately one after another or at any given time. the service engine indicator will stay on for about a day before it goes away. leaving you with the impression the vehicle is fine. well it's not until it happens again and again. i was about to take my vehicle in right before it was turning spring weather was warming, (not sure if this had anything to do with the issue) but surprisingly it stopped. all spring and summer i had not one issue until now! january 8th 2014 and the weather is cold. this seems after reading on a few blogs on the web, numerous gm owners are having the same issue. they take the vehicle in to have serviced and the service fails. it sounds more like a faulty product which is unsafe having the engine power reduced with no ability to get out of traffic in the middle of the freeway. *tr
Tl* the contact owns a 2011 chevrolet tahoe. the contact stated that while driving 45 mph, the vehicle independently decelerated. the contact mentioned that the abs, loss of power, check engine and the traction control warning lamps were illuminated immediately after the failure. in addition, the contact mentioned that the failure recurred several times. the vehicle was taken to the dealer who diagnosed that the throttle sensor and cables were defective and needed to be replaced. the vehicle was repaired but the remedy failed to correct the problem. the manufacturer was not made aware of the failure. the vehicle was not further repaired. the vin was not available. the failure mileage was 4,000 and the current mileage was 17,000. updated 07/02/12 *bf the consumer stated the vehicle loss all power and the vehicle decelerated quickly. updated 07/12/12