| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 363 |
| Headlamp aim out of alignment | 132 |
| Brake pipe excessively corroded | 105 |
| Registration plate issues | 44 |
| Registration plate lamp issues | 33 |
| Windscreen washer not working | 29 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 26 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 22 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 22 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 20 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 19 |
| Front brake disc in such a condition that it is seriously weakened | 19 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 18 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 18 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 17 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 17 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 15 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 14 |
| Brakes imbalanced across an axle | 13 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 13 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 13 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 13 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 13 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 12 |
| Brake performance not tested (1.2.1 (g)) | 12 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 11 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 10 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 10 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 9 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 9 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 8 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 8 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 8 |
| Nearside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 8 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 7 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 7 |
| Trailer electrical socket (13 pin) not operating the trailer lamps as intended (4.10 (c) (i)) | 7 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 7 |
| Offside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 7 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 6 |
| Parking brake lever has no reserve travel |3.1.6b| | 6 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 6 |
| Anti-lock braking system warning lamp indicates an ABS fault | 6 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 6 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 5 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |
| Offside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 5 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 5 |
| Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 5 |
| Headlamp cleaning device for LED or HID headlamp inoperative |4.1.6 |a| |ii|| | 5 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 4 |
| Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 4 |
| Windscreen damaged and affecting the driver`s view of the road |3.2 |a| |ii|| | 4 |
| Nearside Front Inner Anti-roll bar pin or bush excessively worn D bush (5.3.4 (a) (i)) | 4 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 4 |
| Offside Stop lamp not working |1.2.1b| | 4 |
| Offside Rear Shock absorbers has a serious fluid leak | 4 |
| Rear fog lamp not working |1.3.2b| | 4 |
| Nearside Headlamp cleaning device for LED or HID headlamp inoperative |4.1.6 |a| |ii|| | 4 |
| Nearside Rear Headlamp levelling device inoperative (4.1.5 (a)) | 4 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 4 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 4 |
| Rear Rear fog lamp not working |4.5.1 |a| |ii|| | 4 |
| Nearside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 4 |