| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 341 |
| Headlamp aim out of alignment | 276 |
| Anti-lock braking system warning lamp indicates an ABS fault | 198 |
| Windscreen wiper does not clear the windscreen effectively | 198 |
| Brake pipe excessively corroded | 196 |
| Brakes imbalanced across an axle | 80 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 60 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 52 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 52 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 49 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 48 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 46 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 44 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 40 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 36 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 36 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 33 |
| Rear brake binding | 31 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 31 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 31 |
| Registration plate issues | 30 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 28 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 25 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 24 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 22 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 22 |
| Rear brake disc in such a condition that it is seriously weakened | 22 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 21 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 20 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 19 |
| Offside Front Position lamp not working |4.2.1 |a|| | 19 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 18 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 17 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 17 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 16 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 15 |
| Parking brake lever has no reserve travel |3.1.6b| | 15 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 14 |
| Front brake disc in such a condition that it is seriously weakened | 14 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 13 |
| Offside Front Shock absorbers has a serious fluid leak | 13 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Windscreen washer not working | 13 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 12 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 12 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 11 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 11 |
| Nearside Stop lamp not working |1.2.1b| | 11 |
| Nearside Front Shock absorbers has a serious fluid leak | 11 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 10 |
| Offside Rear fog lamp not working |1.3.2b| | 10 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 10 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 10 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 10 |
| Nearside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 10 |
| Front brake application uneven | 9 |
| Offside Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 9 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 9 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 9 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 9 |
| Front brake excessively fluctuating | 9 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Nearside Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 8 |
| Parking brake: efficiency below requirements |3.7.B.7| | 8 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 8 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 8 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Nearside Front Track rod end ball joint worn to the extent there is a serious risk of detachment (2.1.3 (b) (ii)) | 8 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 8 |
| Brake hose excessively deteriorated | 8 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 7 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 7 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 7 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 7 |
| Windscreen has damage | 7 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 7 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 7 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 7 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 7 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 7 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Offside Stop lamp not working |1.2.1b| | 7 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 6 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 6 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 6 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 6 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 6 |
| Nearside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 6 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 5 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 5 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 5 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 5 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 5 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 5 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 5 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 5 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 5 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 5 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 5 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 5 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 5 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 5 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |