hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
303,351 miles

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problem #3

Jan 042014


  • 810,000 miles
While driving, vehicle suddenly goes into "reduced engine power" mode ("limp mode") with console message "traction contol disabled, service stabilitrak, engine power reduced". generally occurs when temperatures are lower than 25 degrees farenheit. Shutting down vehicle for several minutes and restarting leads to normal operation, however vehicle will generally repeat same problem within 5-15 minutes if outside temperature is cold enough (below 25 degrees farenheit). Error code P1235 (throttle position sensor 1-2 correlation...) is set, but may not persist in memory. GM is providing owners with additional protections for 10 years/120,000 miles under csc-10047220-3332 (bulletin no. 11273), however not all vins are included. Vehicle had throttle body (including sensor) replaced in 2010 and appears to be exhibiting exact problems covered by this bulletin, however GM dealer and GM are not extending protection for this vehicle. Dealer is recommending another new throttle position sensor and/or throttle body (including sensor), along with computer reset. This intermittent problem has occurred for more than three years and poses a significant safety risk when the vehicle is in motion at normal highway speeds (drastic sudden deceleration in traffic).

- Lake Oswego, OR, USA

problem #2

Jul 242014

Suburban 8-cyl

  • 40,053 miles
Accelerating in traffic on a three lane road. At approximately 30 mph, the vehicle power steering, brakes, and acceleration locked up. I could barely turn the wheel and the brake pedal was unresponsive. I could not accelerate at all. I was able to muscle the car into a parking lot and jam on the breaks to coast to a stop. The power was still on the car, but the ac was not blowing as hard. After a restart, it worked normally.

- Mansfield, TX, USA

problem #1

Jun 082012

Suburban 8-cyl

  • 60,000 miles
Sudden attended acceleration accelerated from 2 mph to 60 mph.

- Fulton, IL, USA