| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 3527 |
| Headlamp aim out of alignment | 2304 |
| Windscreen wiper does not clear the windscreen effectively | 2079 |
| Brakes imbalanced across an axle | 963 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 843 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 807 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 800 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 706 |
| Brake pipe excessively corroded | 685 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 649 |
| Parking brake: efficiency below requirements |3.7.B.7| | 579 |
| Driver`s seat insecure |6.2.A.1| | 376 |
| Registration plate issues | 360 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 314 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 310 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 252 |
| Rear parking brake recording little or no effort | 251 |
| Rear brake disc in such a condition that it is seriously weakened | 248 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 243 |
| Front brake disc in such a condition that it is seriously weakened | 240 |
| Rear brake binding | 225 |
| Offside Front Position lamp not working |4.2.1 |a|| | 219 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 218 |
| Front brake application uneven | 216 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 189 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 187 |
| Parking brake lever has no reserve travel |3.1.6b| | 175 |
| Windscreen washer not working | 168 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 164 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 162 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 158 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 155 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 143 |
| Front brake excessively fluctuating | 127 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 118 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 117 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 103 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 102 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 102 |
| Nearside Headlamp cleaning device inoperative |1.7.2| | 101 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 95 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 92 |
| Battery insecure |1.9.1| | 91 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 91 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 89 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 86 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 83 |
| Front Headlamp cleaning device inoperative |1.7.2| | 82 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 80 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 78 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 77 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 76 |
| Windscreen has damage | 75 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 73 |
| Offside Front Driver`s seat insecure |6.2.A.1| | 72 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 69 |
| Rear brake application uneven | 68 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 66 |
| Headlamp cleaning device inoperative |1.7.2| | 66 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 65 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 64 |
| Anti-lock braking system warning lamp indicates an ABS fault | 63 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 62 |
| Nearside front brake binding |3.7.B.1| | 62 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 60 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 59 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 59 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 58 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 58 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 57 |
| Offside front brake binding |3.7.B.1| | 57 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 55 |