NHTSA safety investigation
NHTSA Investigation PE03001
Preliminary Evaluation · General Motors, LLC · ENGINE AND ENGINE COOLING
An investigation is not a finding that a defect exists.
NHTSA opens an investigation to examine whether a safety defect may exist. An open investigation is not a determination that a defect exists, and many investigations close without a recall. Investigations can, however, lead to one.
What NHTSA is examining
The agency's own description of the inquiry, quoted as published
ENGINE STALL
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.
An investigation is a separate record from a recall and from a manufacturer communication. A manufacturer campaign to repair a safety defect or a failure to meet a federal safety standard.
Investigation details
Identifiers, dates and outcome as recorded by NHTSA
- Action number
- PE03001
- Investigation type
- Preliminary Evaluation (PE)
- Status
- Closed
- Manufacturer
- General Motors, LLC
- Component
- ENGINE AND ENGINE COOLING
- Opened
- Jan 3, 2003
- Closed
- May 6, 2003
- Associated recall campaign
- None recorded
Vehicles named in this investigation
2 model years across 2 models
Being named here means NHTSA included the vehicle in the scope of its inquiry. It is not a statement that these vehicles have a defect.