All Investigations » Investigation PE03001

  Defect Investigation of Engine Stall

Investigation of Engine Stall

Subject: Engine stall
Components covered:
  • Engine and engine cooling
  • Power train
  • Automatic transmission control module (tcm, pcm)
  • Power train:automatic transmission:control module (tcm/pcm/tecm)
Investigations Summary: This investigation was opened on Jan. 3, 2003. It was closed on May. 6, 2003. Of the 697 total complaints, 240 were received for theenvoy and 457 for the bravada. Gm has identified about 5,000 warranty claims related to stalling in the subject vehicles. Gm reports that a transient voltage spike generated in the ecas degrades the performance of the pcm resulting in engine stall. Gm modified the ecas wiring bundle and the pcm for vehicles built after December 6, 2001 to address the stalling problem.
Vehicles Affected by this investigation:
  • 2002 GMC Envoy
  • 2002 Oldsmobile Bravada

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