| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1169 |
| Registration plate lamp issues | 502 |
| Headlamp aim out of alignment | 481 |
| Brake pipe excessively corroded | 263 |
| Brakes imbalanced across an axle | 219 |
| Offside Stop lamp not working |1.2.1b| | 206 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 192 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 183 |
| Nearside Stop lamp not working |1.2.1b| | 180 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 142 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 138 |
| Rear brake disc in such a condition that it is seriously weakened | 129 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 125 |
| Anti-lock braking system warning lamp indicates an ABS fault | 105 |
| Registration plate issues | 92 |
| Rear brake binding | 91 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 78 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 75 |
| Offside Rear Stop lamp not working |1.2.1b| | 69 |
| Centre Stop lamp not working |1.2.1b| | 68 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 66 |
| Front brake disc in such a condition that it is seriously weakened | 66 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 64 |
| Nearside Rear Stop lamp not working |1.2.1b| | 63 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 62 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 60 |
| Battery insecure |1.9.1| | 60 |
| Parking brake: efficiency below requirements |3.7.B.7| | 56 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 56 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 55 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 49 |
| Windscreen washer not working | 48 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 46 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 46 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 46 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 45 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 44 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 44 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 44 |
| Offside Front Position lamp not working |4.2.1 |a|| | 44 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 43 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 43 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 42 |
| Rear parking brake recording little or no effort | 41 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 39 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 37 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 36 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 36 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 35 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 34 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 34 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 32 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 32 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 32 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 32 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 31 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 31 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 30 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 29 |
| Stop lamp not working |1.2.1b| | 29 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 29 |
| Rear brake application uneven | 28 |
| Front brake excessively fluctuating | 25 |
| Offside Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 25 |
| Windscreen wiper blade insecure | 24 |
| Nearside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 23 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 23 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 23 |
| Offside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 22 |
| Front brake application uneven | 22 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 21 |
| Nearside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 21 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 21 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 21 |
| Rear Mechanical brake component has restricted free movement | 20 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 20 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 20 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 19 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 18 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 18 |
| Central Stop lamp not working |1.2.1b| | 18 |
| Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 17 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 17 |
| Brake hose excessively deteriorated | 17 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 17 |
| Stop lamp|s| all not working |4.3.1 |a| |iii|| | 16 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 16 |
| Nearside front brake binding |3.7.B.1| | 16 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 16 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 16 |