| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 188 |
| Windscreen wiper does not clear the windscreen effectively | 135 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 71 |
| Registration plate lamp issues | 67 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 51 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 47 |
| Nearside Stop lamp not working |1.2.1b| | 42 |
| Parking brake lever has no reserve travel |3.1.6b| | 38 |
| Windscreen washer not working | 37 |
| Parking brake: efficiency below requirements |3.7.B.7| | 32 |
| Brakes imbalanced across an axle | 32 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 29 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 28 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 26 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 24 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 24 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 24 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 23 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 23 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 23 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 23 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 22 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 22 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 22 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 21 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 21 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 21 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 21 |
| Front brake disc in such a condition that it is seriously weakened | 20 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 20 |
| Offside Stop lamp not working |1.2.1b| | 19 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 19 |
| Offside Front coil spring broken |2.4.C.1a| | 18 |
| Nearside Front coil spring broken |2.4.C.1a| | 18 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 18 |
| Rear brake disc in such a condition that it is seriously weakened | 18 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 18 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 17 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 17 |
| Rear brake binding | 16 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 15 |
| Registration plate issues | 15 |
| Rear parking brake recording little or no effort | 14 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 14 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 14 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Front brake excessively fluctuating | 13 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 13 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 12 |
| Offside Rear Stop lamp not working |1.2.1b| | 12 |
| Offside Front Position lamp not working |4.2.1 |a|| | 11 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 11 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 11 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 10 |
| Front brake application uneven | 10 |
| Nearside Rear Stop lamp not working |1.2.1b| | 10 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 10 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 10 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 9 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 9 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 9 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 9 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 8 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 8 |
| Offside Rear Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 8 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 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 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 7 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 7 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 6 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 6 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 6 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 6 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 6 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 6 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 6 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 6 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 6 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 6 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 6 |
| Steering rack has excessive free play detected at the steering wheel (steering rack fitted) (2.3 (a) (i)) | 6 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 5 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 5 |
| Offside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 5 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 5 |
| Offside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Nearside Rear Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 5 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 5 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 4 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 4 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 4 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 4 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Front Anti-roll bar ball joint excessively worn |5.3.4 |a| |i|| | 4 |
| Anti-lock braking system warning lamp indicates an ABS fault | 4 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 4 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 4 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 4 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 4 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 4 |