| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 703 |
| Headlamp aim out of alignment | 458 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 267 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 245 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 174 |
| Brake pipe excessively corroded | 158 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 140 |
| Parking brake: efficiency below requirements |3.7.B.7| | 109 |
| Registration plate lamp issues | 100 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 82 |
| Rear parking brake recording little or no effort | 81 |
| Registration plate issues | 79 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 69 |
| Parking brake lever has no reserve travel |3.1.6b| | 68 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 52 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 49 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 44 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 42 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 38 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 37 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 35 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 33 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 33 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 30 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 30 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 29 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 28 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 28 |
| Offside Front Position lamp not working |4.2.1 |a|| | 27 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 27 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 26 |
| Windscreen washer not working | 25 |
| Nearside Rear Parking brake inoperative on one side |1.4.1 |a|| | 24 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 24 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 24 |
| Front brake disc in such a condition that it is seriously weakened | 23 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 22 |
| Reversing lamp inoperative (4.6.1 (a)) | 21 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 21 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 18 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 18 |
| Brakes imbalanced across an axle | 17 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 16 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Nearside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 15 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 14 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 14 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 14 |
| Rear brake disc in such a condition that it is seriously weakened | 14 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 13 |
| Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 13 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 13 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 13 |
| Brake performance not tested (1.2.1 (g)) | 12 |
| Rear Mechanical brake component has restricted free movement | 12 |
| Rear fog lamp not working |1.3.2b| | 12 |
| Anti-lock braking system warning lamp indicates an ABS fault | 12 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 11 |
| Windscreen has damage | 11 |
| Offside Rear brake caliper has restricted free movement |3.5.1k| | 11 |
| Rear brake binding | 11 |