definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
23,594 miles

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problem #4

Apr 172006

Envoy 4WD 6-cyl

  • Automatic transmission
  • 25,000 miles
Continued electrical problems with 2002 GMC Envoy. Such as on-star telephone along with radio/cd player, all four doors failing to lock or open including the back hatch. Service air bag light and engine check lights coming on. Reprogram engine/transmission module, also telephone antenna replaced, short in wiring located due to rubbing/pinching during construction, replaced wiring harness. Hundreds of dollars required to identify short in wiring. Transmission operates sluggish until warmed-up vehicle feels as if the brakes are on until it has moved several blocks.

- Springfield, VA, USA

problem #3

Jul 072004

Envoy 4WD 6-cyl

  • Automatic transmission
  • 32,678 miles
While driving at 65 mph engine shuts off; would not restart first try. Would start a little later. Went to dealer, reprogrammed PCM with latest calibration update. Second time happened at 70 mph.

- Clover, SC, USA

problem #2

Mar 052004

Envoy 4WD 6-cyl

  • Automatic transmission
  • 36,700 miles
PCM defect.

- Demotte, IN, USA

problem #1

Jul 292003

(reported on)


  • miles
Consumer states while comiing down a hill PCM shorted out. As a result, driver lost all electrical functions. Steering wheel got really stiff. Brake pedal became hard to press.

- Jonesboro, IL, USA