| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 246 |
| Headlamp aim out of alignment | 120 |
| Brake pipe excessively corroded | 91 |
| Registration plate issues | 30 |
| Registration plate lamp issues | 27 |
| Brakes imbalanced across an axle | 26 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 22 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 19 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 18 |
| Front brake disc in such a condition that it is seriously weakened | 14 |
| Anti-lock braking system warning lamp indicates an ABS fault | 14 |
| Brake hose excessively deteriorated | 14 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 13 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 13 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 13 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 12 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 12 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 11 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 10 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Offside Stop lamp not working |1.2.1b| | 9 |
| Nearside Stop lamp not working |1.2.1b| | 9 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 7 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 6 |
| Horn not working (7.7 (a)) | 6 |
| Offside Front Position lamp not working |4.2.1 |a|| | 5 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 5 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 5 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 5 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Windscreen has damage | 5 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 5 |
| Nearside front brake juddering severely |3.7.A.2b| | 4 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Windscreen washer not working | 4 |
| Offside Rear Outer Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 4 |
| Horn not working |1.6.2a| | 4 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 4 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 4 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Offside Front Seat belt retracting mechanism defective (7.1.2 (e)) | 4 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 4 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Offside Rear Shock absorbers has a serious fluid leak | 4 |
| Nearside Rear Outer Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 4 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 3 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 3 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 3 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 3 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Rear brake binding | 3 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 3 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 3 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 3 |
| Mechanical brake component has restricted free movement | 3 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Front Exhaust system insecure (6.1.2 (a)) | 3 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 3 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 3 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength inner wheel arch (5.3.6 (a) (i)) | 3 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength inner wheel arch (5.3.6 (a) (i)) | 3 |
| Nearside Rear Inner Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 3 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 3 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 3 |
| Nearside Front Seat belt retracting mechanism defective (7.1.2 (e)) | 3 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Front brake application uneven | 3 |
| Offside front brake juddering severely |3.7.A.2b| | 3 |
| Nearside Rear Inner Suspension component mounting prescribed area excessively corroded significantly reducing structural strength arch (5.3.6 (a) (i)) | 3 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3 |
| Battery insecure |1.9.1| | 3 |