NHTSA safety investigation
NHTSA Investigation PE04072
Preliminary Evaluation · General Motors, LLC · EXTERIOR LIGHTING:BRAKE LIGHTS
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
LOSS OF BRAKE LAMP ILLUMINATION
IN ITS LETTER DATED MARCH 9, 2005, GM STATED THAT IT WOULD CONDUCT A SAFETY RECALL TO REMEDY A FAULTY MULTIFUNCTION SWITCH IN CERTAIN MODEL YEAR (MY) 2001 AND 2002 CHEVROLET ASTRO AND GMC SAFARI VEHICLES; SPECIFICALLY, ALL MY 2001 VEHICLES AND EARLY MY 2002 VEHICLES BUILT BETWEEN MARCH AND AUGUST 2001.SEE NHTSA RECALL NO. 05V-099 FOR DETAILS.THE MULTIFUNCTION SWITCH MAY DEVELOP AN OPEN CIRCUIT IN THE BRAKE LAMP OR HAZARD LAMP CIRCUIT RESULTING IN INOPERATIVE BRAKE LAMPS AND HAZARD LAMPS.THIS IS DUE TO THE COMBINED EFFECTS OF THE MATERIAL AND LUBRICATION FOR THE HAZARD SWITCH CONTACTOR THAT RESULT IN INCREASED RESISTANCE IN THE HAZARD SWITCH AND STUCK HAZARD SLIDER BUTTON IN OPEN (NO CONTACT) CONDITION.DEALERS ARE TO REPLACE THE HAZARD SWITCH AND APPLY SPECIAL GREASE TO THE HAZARD SWITCH CONTACTOR.IF A VEHICLE HAS A STUCK HAZARD SLIDER BUTTON, DEALERS ARE TO REPLACE THE ENTIRE MULTIFUNCTION SWITCH.
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
- PE04072
- Investigation type
- Preliminary Evaluation (PE)
- Status
- Closed
- Manufacturer
- General Motors, LLC
- Component
- EXTERIOR LIGHTING:BRAKE LIGHTS
- Opened
- Oct 19, 2004
- Closed
- Mar 21, 2005
- Associated recall campaign
- 05V099000
Vehicles named in this investigation
4 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.