WRECK CHECK CAR SCAN CENTERS is a company committed to consumer protection through post collision vehicle inspections, and by providing consumers with a number of VALUE ADDED SERVICES such as DIMINISHED VALUE ASSESSMENTS, COLLISION MONITORING, PRE & POST PURCHASE INSPECTIONS, TOTAL LOSS & APPRAISAL PROCESS ASSISTANCE & CAR-SCANS. DIMINISHED VALUE Diminished Value or Diminution in Value is defined as that portion of a damage vehicle’s Pre-Loss Value that cannot be restored through the repair process.