| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 281 |
| Windscreen wiper does not clear the windscreen effectively | 256 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 194 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 93 |
| Registration plate lamp issues | 89 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 85 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 78 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 73 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 67 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 67 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 66 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 63 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 59 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 58 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 55 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 50 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 46 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 44 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 42 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 38 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 36 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 36 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 34 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 31 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 31 |
| Windscreen washer not working | 29 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 27 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 25 |
| Offside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 23 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 19 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 14 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 14 |
| Registration plate issues | 14 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 14 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 13 |
| Brakes imbalanced across an axle | 13 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 11 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 11 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 10 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 10 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 10 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 9 |
| Offside Front Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 9 |
| Nearside Headlamp aim not tested (4.1.2 (b)) | 9 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 9 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Front brake disc in such a condition that it is seriously weakened | 8 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 8 |
| Brake performance not tested (1.2.1 (g)) | 8 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Offside Front Position lamp not working |4.2.1 |a|| | 7 |
| Nearside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 7 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 7 |
| Anti-lock braking system warning lamp indicates an ABS fault | 7 |
| Offside Front Position lamp not working |4.2.1 |a| |ii|| | 6 |
| Headlamp aim not tested |4.1.2 |b|| | 6 |
| Offside Headlamp levelling device inoperative (4.1.5 (a)) | 6 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 5 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 5 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 5 |
| Offside Rear Parking (secondary brake) on a single line braking system has inadequate effort at a wheel (1.3.1 (a) (i)) | 5 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Offside Rear Parking (secondary brake) on a single line braking system grabbing severely (1.3.1 (c)) | 5 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 5 |