MMUCC Training

V25. Contributing Circumstances, Motor Vehicle


Pre-existing motor vehicle defects or maintenance conditions that may have contributed to the crash.

Element Attributes:
Subfield 1 - Motor Vehicle Circumstance 1:
  • Brakes
  • Exhaust System
  • Body, Doors
  • Steering
  • Power Train
  • Suspension
  • Tires
  • Wheels
  • Lights (head, signal, tail)
  • Windows/Windshield
  • Mirrors
  • Wipers
  • Truck Coupling / Trailer Hitch / Safety Chains
  • Other
  • Unknown
Subfield 2 - Motor Vehicle Circumstance 2

See attributes in Subfield 1


Important for determining the significance of pre-existing problems, including equipment and operation, in motor vehicles involved in crashes that could be useful in determining the need for improvements in manufacturing and consumer alerts.