| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 217 |
| Registration plate lamp issues | 145 |
| Windscreen wiper does not clear the windscreen effectively | 137 |
| Brake pipe excessively corroded | 107 |
| Rear fog lamp not working |1.3.2b| | 76 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 55 |
| Rear fog lamp tell tale not working |1.3.1b| | 54 |
| Offside Stop lamp not working |1.2.1b| | 50 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 44 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 44 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 42 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 41 |
| Nearside Stop lamp not working |1.2.1b| | 41 |
| Parking brake: efficiency below requirements |3.7.B.7| | 41 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 38 |
| Parking brake lever has no reserve travel |3.1.6b| | 37 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 36 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 36 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 35 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 30 |
| Rear parking brake recording little or no effort | 29 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 27 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 26 |
| Offside Rear fog lamp not working |1.3.2b| | 26 |
| Registration plate issues | 26 |
| Rear fog lamp switch faulty |1.3.1a| | 25 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 22 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 21 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 20 |
| Nearside Rear Stop lamp not working |1.2.1b| | 20 |
| Offside Rear Stop lamp not working |1.2.1b| | 19 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 18 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 17 |
| Rear brake binding | 17 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 15 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 15 |
| Brakes imbalanced across an axle | 14 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 14 |
| Offside Front Shock absorbers has a serious fluid leak | 13 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 13 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 12 |
| Offside Rear Subframe mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 12 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 11 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 11 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 11 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 11 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 11 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 10 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 10 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 10 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 10 |
| Nearside Front Shock absorbers has a serious fluid leak | 10 |
| Rear fog lamp switch inoperative |4.5.3 |a| |ii|| | 9 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 9 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 9 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 8 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Offside Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 8 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Nearside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 7 |
| Windscreen has damage | 7 |
| Nearside Rear Subframe mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 7 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 7 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 7 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 7 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 7 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Windscreen washer not working | 6 |
| Rear fog lamp switch inoperative (4.5.3 (a) (ii)) | 6 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 6 |
| Anti-lock braking system warning lamp indicates an ABS fault | 6 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 6 |
| Offside Front Position lamp not working |4.2.1 |a|| | 6 |
| Offside Rear Rear fog lamp not working |4.5.1 |a| |ii|| | 6 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 6 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 6 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 6 |
| Front brake disc in such a condition that it is seriously weakened | 6 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 5 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 5 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 5 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 5 |
| Nearside Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 5 |
| Windscreen wiper blade insecure | 5 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 5 |
| Rear brake application uneven | 5 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 5 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 5 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 5 |
| Service brake: efficiency below requirements |3.7.B.7| | 5 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Nearside Headlamp not working on main beam |1.7.5a| | 4 |
| Offside Front Track rod end ball joint worn to the extent there is a serious risk of detachment (2.1.3 (b) (ii)) | 4 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 4 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 4 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 4 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Brake fluid contaminated (1.8 (a)) | 4 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Nearside Rear Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 4 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 4 |
| Central Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Battery insecure |1.9.1| | 4 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 4 |
| Rear brake disc in such a condition that it is seriously weakened | 4 |