| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1751 |
| Windscreen wiper does not clear the windscreen effectively | 1594 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 485 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 465 |
| Registration plate issues | 450 |
| Brakes imbalanced across an axle | 432 |
| Brake pipe excessively corroded | 291 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 216 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 186 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 175 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 170 |
| Battery insecure |1.9.1| | 160 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 140 |
| Rear brake disc in such a condition that it is seriously weakened | 134 |
| Front brake application uneven | 134 |
| Windscreen has damage | 124 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 121 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 117 |
| Parking brake: efficiency below requirements |3.7.B.7| | 116 |
| Rear brake application uneven | 116 |
| Front brake disc in such a condition that it is seriously weakened | 104 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 103 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 97 |
| Offside Front Position lamp not working |4.2.1 |a|| | 97 |
| Anti-lock braking system warning lamp indicates an ABS fault | 90 |
| Rear parking brake recording little or no effort | 89 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 83 |
| Front brake excessively fluctuating | 81 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 80 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 74 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 72 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 71 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 66 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 65 |
| Brake pedal spongy |3.3.B.1b| | 63 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 63 |
| Nearside Rear Shock absorbers has a serious fluid leak | 58 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 54 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 53 |
| Registration plate lamp issues | 49 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 49 |
| Offside Rear brake caliper has restricted free movement |3.5.1k| | 45 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 44 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 44 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 44 |
| Offside Rear Shock absorbers has a serious fluid leak | 44 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 44 |
| Nearside Rear brake caliper has restricted free movement |3.5.1k| | 43 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 42 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 42 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 41 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 40 |
| Windscreen wiper blade insecure | 38 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 38 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 35 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 35 |
| Front position lamp|s| not working |1.1.A.3b| | 33 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 32 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 32 |
| Rear brake binding | 32 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 30 |
| Electronic stability control warning lamp indicates a fault |7.12 |e|| | 30 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 30 |
| Parking brake lever has no reserve travel |3.1.6b| | 29 |
| Fuel system component leaking |7.2.3| | 29 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 29 |
| Service brake: efficiency below requirements |3.7.B.7| | 28 |
| Driver`s seat insecure |6.2.A.1| | 28 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 28 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 28 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 27 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 26 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 25 |