| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 744 |
| Windscreen wiper does not clear the windscreen effectively | 629 |
| Registration plate lamp issues | 268 |
| Brake pipe excessively corroded | 239 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 220 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 206 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 205 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 152 |
| Parking brake lever has no reserve travel |3.1.6b| | 144 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 144 |
| Registration plate issues | 133 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 133 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 132 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 131 |
| Parking brake: efficiency below requirements |3.7.B.7| | 114 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 104 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 94 |
| Rear parking brake recording little or no effort | 83 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 78 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 78 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 72 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 72 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 65 |
| Offside Front Position lamp not working |4.2.1 |a|| | 60 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 60 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 57 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 52 |
| Windscreen washer not working | 50 |
| Brake hose excessively deteriorated | 49 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 43 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 40 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 39 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 39 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 37 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 35 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 35 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 33 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 32 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 32 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 31 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 30 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 29 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 27 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 27 |
| Offside Rear Shock absorbers has a serious fluid leak | 26 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 26 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 26 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 25 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 25 |
| Nearside Rear Shock absorbers has a serious fluid leak | 25 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 25 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 24 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 24 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 24 |
| Front brake disc in such a condition that it is seriously weakened | 24 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 24 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 24 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 23 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 23 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 23 |
| Offside Side repeater not working |1.4.A.2c| | 23 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 22 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 22 |
| Rear brake binding | 22 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 20 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 19 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 19 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 19 |
| Offside Front coil spring broken |2.4.C.1a| | 18 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 18 |
| Service brake: efficiency below requirements |3.7.C.1a| | 18 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 17 |
| Trailer electrical socket |13 pin| not operating the trailer lamps as intended |1.9.4| | 17 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 17 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 16 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 15 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 15 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 15 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 15 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 15 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 15 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 15 |
| Rear brake disc in such a condition that it is seriously weakened | 15 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 15 |