The Agency's analysis of GM's complaint and warranty data for the subject vehicles, including a comparison with other Agency and manufacturer data pertaining to other vehicle brake lamp investigations, indicated a low failure history for the subject vehicles.this investigation included a review and analysis of data for relevant brake lamp malfunctions that require replacement of the multifunction switch (mfs) module.the hazard warning switch is an integral part of the mfs module.other components that affect brake lamp illumination such as wiring, bulb sockets, and the plunger-type brake lamp switch, were not a part of this investigation.a safety-related defect trend has not been identified and this investigation is closed.the closing of this investigation does not constitute a finding by NHTSA that a safety defect does not exist.the Agency reserves the right to take further action if warranted by the circumstances.
