2006 GMC Envoy Denali XL Transmission and drivetrain Problems

“On may 3rd 2010, the truck just died in the middle of the road while driving home with my son at night. I had to quickly try to get to the side of the road without any power assist. The envoy would not start again, not even turn over. The shifter was locked and it could not even be put into neutral to push it over to the side. Various messages scrolled by on the vehicle display and many of the warning lights were dimly blinking. I had to get it towed. …”

“This morning, my wife was parking at one of our kid's schools when the transmission system failed to respond. She attempted to put the vehicle in park, but it would not initially. Once the shifter would move forward, the vehicle died, and continued to roll forward even though the shifter was positioned as if in park. She had the presence of mind to let it roll until striking the parking spot cement bumper. She removed the key from the ignition, then attempted to restart the vehicle with no success and the shifter button would not depress. …”

“I was driving along interstate 69 near fort wayne in my leased 2006 Gmc envoy denali with my boss on company business when a car from behind me pulled along side honking their horn and yelling for me to pull over and get out of my car because it was on fire. We immediately stopped, got out, and saw flames underneath the engine compartment of my vehicle. We called 911 who dispatched fort wayne fire and indiana state police personnel. The car was towed to the local Gmc dealership. …”

“Vehicle goes into reduced engine power mode unexpectedly while driving with no prior warning. Mil light turns on, reduced engine power light turns on, stabilitrak off dic message displays, results in loss of acceleration and requires the driver to immediately take emergency safety actions. Codes include p2135, p0121, and p060e. Issue is intermittent, appears more frequently in cold or wet conditions. The issue has occurred more than 10 times since the initial incident. Dealer unable to correct the issue by throttle body cleaning and PCM replacement. …”

“The contact owns a 2006 Gmc Envoy Denali Xl. The contact stated that the vehicle failed to accelerate over 40 MPH. The contact also stated that the engine and the low fuel warning lights illuminated although the fuel level was at max. The vehicle was taken to the dealer where the contact was informed that the throttle body and fuel pump needed to be replaced. The failure mileage was 128,623 and the current mileage was 138,182...updated 04-03-13 updated 04/22/2013”