In the FMEA in Figure 1, for example, a flat tire severely affects the customer driving the car (rating of 10), but has a low level of occurrence (2) and can be detected fairly easily (3).

FMEA uses terms such as failure modes, effects of failure, severity, causes of failure, occurrence, process controls, detectability, risk priority number, and recommended actions.

ABSTRACT In the automotive industry, FMEA occurrence ranking is made to a standard such as SAE J1739. The SAE J1739 standard, as does other comparative standards, provides numerical probability ...