| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 212 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 187 |
| Windscreen wiper does not clear the windscreen effectively | 133 |
| Headlamp aim out of alignment | 117 |
| Brake pipe excessively corroded | 90 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 89 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 88 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 87 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 83 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 80 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 72 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 66 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 54 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 54 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 50 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 47 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 46 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 39 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 33 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 31 |
| Parking brake: efficiency below requirements |3.7.B.7| | 31 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 31 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 30 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 30 |
| Rear parking brake recording little or no effort | 28 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 27 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 25 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 21 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 21 |
| Brakes imbalanced across an axle | 19 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 19 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 17 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 17 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 16 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 16 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 16 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 15 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 14 |
| Windscreen washer not working | 14 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 13 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 13 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 12 |
| Rear fog lamp switch inoperative (4.5.3 (a)) | 11 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 11 |
| Central Stop lamp(s) with a multiple light source more than 1/2 not functioning (4.3.1 (a) (ii)) | 10 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 10 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 10 |
| Nearside Front Lower Suspension component ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 10 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 10 |
| Front brake disc in such a condition that it is seriously weakened | 10 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 10 |
| Registration plate issues | 10 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 10 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 10 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 10 |
| Rear brake disc in such a condition that it is seriously weakened | 9 |
| Offside Front Shock absorbers has a serious fluid leak | 9 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 9 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Offside Front coil spring broken |2.4.C.1a| | 8 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 7 |
| Offside Front Lower Suspension component ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 7 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Rear fog lamp not working |1.3.2b| | 7 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 6 |
| Offside Front Track rod end ball joint worn to the extent there is a serious risk of detachment (2.1.3 (b) (ii)) | 6 |
| Offside Rear Rear fog lamp not working |4.5.1 |a| |ii|| | 6 |
| Parking brake lever has no reserve travel |3.1.6b| | 6 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 6 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 6 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Offside Front Outer Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 6 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Front Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 5 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Nearside Front Outer Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 5 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 5 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |
| Trailer electrical socket (13 pin) not operating the trailer lamps as intended (4.10 (c) (i)) | 4 |
| Nearside Front 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 Headlamp light intensity severely reduced (4.1.4 (a)) | 4 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 4 |
| Fuel tank leaking (6.1.3 (b) (i)) | 4 |
| Nearside Headlamp light intensity severely reduced (4.1.4 (a)) | 4 |
| Nearside Headlamp aim not tested (4.1.2 (b)) | 4 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Emissions unable to be completed (8.2.2.2 (e)) | 4 |
| rear parking |secondary| brakes imbalanced | 4 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 4 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 4 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Offside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Central Rear Upper Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |