| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 451 |
| Headlamp aim out of alignment | 278 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 202 |
| Registration plate lamp issues | 197 |
| Brakes imbalanced across an axle | 182 |
| Parking brake: efficiency below requirements |3.7.B.7| | 178 |
| Rear brake binding | 164 |
| Rear parking brake recording little or no effort | 119 |
| Nearside Stop lamp not working |1.2.1b| | 82 |
| Nearside Front Shock absorbers has a serious fluid leak | 71 |
| Front brake disc in such a condition that it is seriously weakened | 67 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 66 |
| Registration plate issues | 61 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 58 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 49 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 48 |
| Offside Stop lamp not working |1.2.1b| | 42 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 38 |
| Nearside Rear Upper Shock absorber has an excessively worn bush |2.7.4| | 37 |
| Nearside Rear Upper Shock absorbers has an excessively worn bush (5.3.2 (c)) | 36 |
| Offside Front Shock absorbers has a serious fluid leak | 36 |
| Nearside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 34 |
| Offside Rear Upper Shock absorber has an excessively worn bush |2.7.4| | 34 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 33 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 33 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 33 |
| Offside Rear Shock absorbers has a serious fluid leak | 32 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 32 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 32 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 31 |
| Offside Rear Upper Shock absorbers has an excessively worn bush (5.3.2 (c)) | 30 |
| Windscreen washer not working | 30 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 30 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 29 |
| Rear Brake cable insecure | 29 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 28 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 28 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 27 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 27 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 27 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 27 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 26 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 25 |
| Parking brake lever has no reserve travel |3.1.6b| | 25 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 24 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 24 |
| Offside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 23 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 23 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 22 |
| Rear brake application uneven | 22 |
| Rear Mechanical brake component has restricted free movement | 22 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 22 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 21 |
| Nearside Rear Stop lamp not working |1.2.1b| | 21 |
| Offside Rear Stop lamp not working |1.2.1b| | 20 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 20 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 20 |
| Offside Front Position lamp not working |4.2.1 |a|| | 19 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 18 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 18 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 17 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 15 |
| Offside Rear Shock absorbers has an excessively worn bush |5.3.2 |c|| | 15 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 15 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 15 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 15 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 15 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 15 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 15 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 14 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 14 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 14 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 13 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Front brake application uneven | 13 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 13 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 13 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 13 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 12 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 12 |
| Nearside Rear Shock absorbers has an excessively worn bush |5.3.2 |c|| | 12 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 12 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 12 |
| Offside Rear Upper Shock absorbers has an excessively worn bush |5.3.2 |c|| | 12 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 12 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 11 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 11 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 11 |
| Brake hose excessively deteriorated | 11 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 10 |
| Windscreen wiper blade insecure | 10 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 10 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 10 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 10 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 10 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 10 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 9 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 9 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 9 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 9 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 9 |