| Intermediate Event | Code | Failure Rate | Intermediate Event | Code | Failure Rate |
| Failure of battery system connectors and battery module | gb1 | λgb1 = 3.44 | Failure of connectors for battery system | gb5 | λgb5 = 0.382 |
| Failure of BMS controller | gb2 | λgb2 = 1.402 | Failure of battery module | gb6 | λgb6 = 3.058 |
| Failure of power electronic components | gb3 | λgb3 = 2.33 | Failure of master controller | gb7 | λgb7 = 1.159 |
| Failure of signal detection components | gb4 | λgb4 = 0.028 | Failure of slave controller | gb8 | λgb8 = 0.243 |