| Common problems |
| 0000 | one or three cylinders no fuel on failing cylinder |
| 12474 | Injectors 1, 2, 3 |
| 12475 | Injectors or ECU |
| 30BA | DME: Injectors 1, 2, 3 or DME interne failure |
| 30BA | Injector 1, 4 / Motor-ecu |
| 30BB | DME injectors 2/3 or DME internal |
| 30BB | Injector 2, 3 / Motor-ecu |