| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 173 |
| Headlamp aim out of alignment | 120 |
| Brake pipe excessively corroded | 59 |
| Registration plate lamp issues | 35 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 32 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 25 |
| Front brake disc in such a condition that it is seriously weakened | 25 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 25 |
| Registration plate issues | 13 |
| Windscreen washer not working | 13 |
| Brakes imbalanced across an axle | 12 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 11 |
| Rear brake disc in such a condition that it is seriously weakened | 11 |
| Nearside Side repeater not working |1.4.A.2c| | 10 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 9 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 7 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Offside Side repeater not working |1.4.A.2c| | 7 |
| Offside Front Position lamp not working |4.2.1 |a|| | 7 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 6 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 6 |
| Nearside Stop lamp not working |1.2.1b| | 6 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 6 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Rear Shock absorbers has a serious fluid leak | 5 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 5 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 5 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 5 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 5 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 4 |
| Windscreen has damage | 4 |
| Front brake excessively fluctuating | 4 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 4 |
| Rear fog lamp not working |1.3.2b| | 4 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 4 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 4 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 4 |
| Offside Stop lamp not working |1.2.1b| | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Nearside Front Valve stem seriously damaged |4.1.D.1e| | 3 |
| Offside Front Valve stem seriously damaged |4.1.D.1e| | 3 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Electronic stability control warning lamp indicates a fault |7.12 |e|| | 3 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 3 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 3 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 3 |
| Nearside Rear Shock absorbers has a serious fluid leak | 3 |
| Windscreen wiper blade insecure | 3 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Nearside Front Inner Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Front Inner Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Nearside Headlamp cleaning device inoperative |1.7.2| | 3 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 3 |
| Headlamp cleaning device for LED or HID headlamp inoperative |4.1.6 |a| |ii|| | 3 |
| Headlamp levelling device inoperative (4.1.5 (a)) | 3 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 3 |