| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 3007 |
| Brake pipe excessively corroded | 2595 |
| Headlamp aim out of alignment | 1829 |
| Registration plate lamp issues | 1610 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 761 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 675 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 532 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 443 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 389 |
| Brakes imbalanced across an axle | 360 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 347 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 304 |
| Windscreen washer not working | 294 |
| Registration plate issues | 276 |
| Offside Stop lamp not working |1.2.1b| | 238 |
| Nearside Stop lamp not working |1.2.1b| | 202 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 199 |
| Parking brake lever has no reserve travel |3.1.6b| | 166 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 163 |
| Front brake disc in such a condition that it is seriously weakened | 157 |
| Rear brake binding | 156 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 134 |
| Offside Front Position lamp not working |4.2.1 |a|| | 128 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 125 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 114 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 113 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 103 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 103 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 100 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 99 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 98 |
| Nearside Rear Stop lamp not working |1.2.1b| | 91 |
| Offside Rear Stop lamp not working |1.2.1b| | 89 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 85 |
| Parking brake: efficiency below requirements |3.7.B.7| | 82 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 81 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 76 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 74 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 69 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 67 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 67 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 64 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 63 |
| Anti-lock braking system warning lamp indicates an ABS fault | 60 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 60 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 55 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 54 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 54 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 51 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 49 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 47 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 46 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 43 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 43 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 43 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 42 |