| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 267 |
| Brake pipe excessively corroded | 165 |
| Headlamp aim out of alignment | 135 |
| Registration plate lamp issues | 89 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 34 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 33 |
| Registration plate issues | 30 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 29 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 26 |
| Anti-lock braking system warning lamp indicates an ABS fault | 25 |
| Brakes imbalanced across an axle | 23 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 22 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 20 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 19 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 19 |
| Parking brake: efficiency below requirements |3.7.B.7| | 19 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 18 |
| Front brake disc in such a condition that it is seriously weakened | 18 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 17 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 16 |
| Windscreen washer not working | 16 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 13 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 13 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 12 |
| Parking brake lever has no reserve travel |3.1.6b| | 10 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 10 |
| Rear parking brake recording little or no effort | 10 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Front brake excessively fluctuating | 10 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 9 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Windscreen has damage | 9 |
| Nearside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 9 |
| Offside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 9 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 9 |
| Nearside Front Shock absorbers has a serious fluid leak | 9 |
| Nearside Stop lamp not working |1.2.1b| | 9 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` item hanging from mirror |8.3.1e| | 8 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 8 |
| Offside Stop lamp not working |1.2.1b| | 8 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 8 |
| Brake performance not tested (1.2.1 (g)) | 7 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 7 |
| Fuel tank leaking (6.1.3 (b) (i)) | 7 |
| Emissions not tested (8.2.2.2 (e)) | 7 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 7 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 7 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 6 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 6 |
| Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 6 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 6 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 6 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 6 |
| Rear fog lamp not working |1.3.2b| | 6 |
| Rear brake disc in such a condition that it is seriously weakened | 6 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 6 |
| Offside Front front brake binding |3.7.B.1| | 6 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 5 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 5 |
| Battery insecure |1.9.1| | 5 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 5 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 5 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 5 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Rear Shock absorbers has a serious fluid leak | 5 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 5 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 4 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 4 |
| Electronic stability control warning lamp indicates a fault |7.12 |e|| | 4 |
| Offside Rear Shock absorbers has a serious fluid leak | 4 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 4 |
| Headlamp cleaning device for LED or HID headlamp inoperative |4.1.6 |a| |ii|| | 4 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 4 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 4 |
| Nearside Front Service brake lagging in operation (1.2.1 (d)) | 4 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 4 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 4 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 4 |
| Offside Front Upper Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 4 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 4 |