| Most common failures | No# failures |
|---|
| Registration plate issues | 79 |
| Registration plate lamp issues | 56 |
| Headlamp aim out of alignment | 53 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 27 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 27 |
| Nearside Headlamp cleaning device inoperative |1.7.2| | 17 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 15 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 15 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 12 |
| Windscreen wiper does not clear the windscreen effectively | 11 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 9 |
| Offside Front Headlamp cleaning device inoperative |1.7.2| | 8 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 8 |
| Windscreen washer not working | 8 |
| Offside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 8 |
| Nearside Front Headlamp cleaning device inoperative |1.7.2| | 7 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 6 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 6 |
| Front Headlamp cleaning device inoperative |1.7.2| | 6 |
| Headlamp cleaning device inoperative |1.7.2| | 6 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 5 |
| Nearside Rear Direction indicator flashing less than 60 times a minute |1.4.A.2g| | 4 |
| Headlamp cleaning device for LED or HID headlamp inoperative |4.1.6 |a| |ii|| | 4 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 4 |
| Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 4 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 4 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 4 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Offside Front Headlamp cleaning device obviously defective |1.7.2| | 3 |
| Nearside Stop lamp has less than 50% of the light sources illuminating |1.2.1b| | 3 |
| Windscreen has damage | 3 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 3 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 3 |
| Nearside Front Headlamp cleaning device for LED or HID headlamp inoperative |4.1.6 |a| |ii|| | 3 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 3 |
| Offside Headlamp cleaning device obviously defective |1.7.2| | 3 |
| Headlamp cleaning device for LED or HID headlamp inoperative both |4.1.6 |a| |ii|| | 3 |
| Front Headlamp cleaning device for LED or HID headlamp inoperative |4.1.6 |a| |ii|| | 3 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 3 |
| Electronic parking brake warning indicates a malfunction (1.1.6 (e)) | 3 |
| Offside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 3 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 3 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Offside Front Position lamp not working |4.2.1 |a|| | 2 |
| Offside Front Headlamp cleaning device for LED or HID headlamp inoperative |4.1.6 |a| |ii|| | 2 |
| Hazard warning switch faulty |1.4.B.1d| | 2 |
| Offside Rear Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 2 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 2 |
| Nearside Headlamp cleaning device obviously defective |1.7.2| | 2 |
| Offside Headlamp cleaning device for LED or HID headlamp inoperative |4.1.6 |a| |ii|| | 2 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2 |
| Offside Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 2 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 2 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Nearside Front Headlamp cleaning device obviously defective |1.7.2| | 2 |
| Offside Stop lamp has less than 50% of the light sources illuminating |1.2.1b| | 2 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Rear Position lamp with a multiple light source more than 1/2 not functioning (4.2.1 (a) (ii)) | 2 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Nearside Rear Direction indicator with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 2 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |