| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 10 |
| Windscreen wiper does not clear the windscreen effectively | 9 |
| Registration plate issues | 5 |
| Parking brake: efficiency below requirements |3.7.B.7| | 4 |
| Offside Stop lamp not working |1.2.1b| | 3 |
| 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 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Nearside Stop lamp not working |1.2.1b| | 2 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Offside Side repeater missing |1.4.A.2b| | 1 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 1 |
| Windscreen has damage | 1 |
| Offside Rear fog lamp not working |1.3.2b| | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Nearside Fuel pipe leaking Leaking from fuel filter |7.2.3| | 1 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Windscreen washer not working | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Rear fog lamp switch inoperative (4.5.3 (a) (ii)) | 1 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 1 |
| Offside Seat belt insecurely fixed to the seat |5.2.1a| | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Rear Rear fog lamp obviously incorrectly positioned (4.5.4 (a)) | 1 |
| Offside Front position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Nearside Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Offside Direction indicators adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Nearside Rear Shock absorbers damaged to the extent that it does not function |5.3.2 |b|| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |