Functional networking
| Item | Explanation |
|---|---|
| 1 | Instrument panel (KOMBI) |
| 2 | Fuel pump relay |
| 3 | Fuel filler flap sensor |
| 4 | Servo drive for fuel filler flap |
| 5 | Fuel tank isolation valve |
| 6 | Fuel tank non-return valve |
| 7 | Power distribution box Life module |
| 8 | Range extender digital engine electronics (RDME, I01) or DME |
| 9 | Tank vent valve 10 Ground contact |
| 11 | Refuelling button |
| 12 | Body Domain Controller (BDC) |
| 13 | Ground contact |
| 14 | Fuel tank pressure sensor combined with temperature sensor |
| 15 | Fuel level sensor |
| 16 | Fuel pump |
| 17 | Tank function electronics (TFE) |