| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 157 |
| Windscreen wiper does not clear the windscreen effectively | 77 |
| Registration plate lamp issues | 55 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 25 |
| Offside Stop lamp not working |1.2.1b| | 21 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 17 |
| Nearside Stop lamp not working |1.2.1b| | 16 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 16 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 16 |
| Offside Rear fog lamp not working |1.3.2b| | 15 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 15 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 14 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Windscreen washer not working | 13 |
| Rear fog lamp not working |1.3.2b| | 12 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 12 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 9 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 9 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 8 |
| Nearside Front Headlamp levelling device obviously defective |1.7.2| | 8 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Headlamp levelling device inoperative (4.1.5 (a)) | 6 |
| Registration plate issues | 6 |
| Rear brake disc in such a condition that it is seriously weakened | 6 |
| Brakes imbalanced across an axle | 6 |
| Headlamp levelling device obviously defective |1.7.2| | 6 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Front Position lamp not working |4.2.1 |a|| | 6 |
| Nearside Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 6 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Offside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 5 |
| Nearside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 5 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 4 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 4 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Offside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 4 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Offside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 4 |
| Mechanical brake component has restricted free movement | 4 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Offside Rear Stop lamp not working |1.2.1b| | 4 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Offside Rear Rear fog lamp not working |4.5.1 |a| |ii|| | 4 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Anti-lock braking system warning lamp indicates an ABS fault | 4 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Rear Headlamp levelling device obviously defective |1.7.2| | 3 |
| Nearside Front Anti-roll bar linkage worn and seriously weakened |2.4.G.1| | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Battery insecure |1.9.1| | 3 |
| Offside Front Lower Suspension arm pin or bush excessively worn rear (5.3.4 (a) (i)) | 3 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 3 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 3 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 3 |
| Front Headlamp levelling device obviously defective |1.7.2| | 3 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 3 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 3 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 3 |
| Front Headlamp levelling device inoperative |1.7.2| | 3 |
| Nearside Rear Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Rear Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Front Headlamp levelling device inoperative |4.1.5 |a|| | 3 |
| Brake hose excessively deteriorated | 3 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Nearside Front Inner Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 2 |
| Nearside Front Headlamp levelling device inoperative |1.7.2| | 2 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Headlamp aim not tested (4.1.2 (b)) | 2 |
| Offside Rear Shock absorbers has a serious fluid leak | 2 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 2 |
| Trailer electrical socket insecure |1.9.3a| | 2 |
| Offside Rear Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) | 2 |
| Offside Front Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 2 |
| Nearside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 2 |
| Front brake excessively fluctuating | 2 |
| Nearside Front Headlamp cleaning device inoperative |1.7.2| | 2 |
| Offside Front Headlamp cleaning device inoperative |1.7.2| | 2 |
| Offside Front front brake binding |3.7.B.1| | 2 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Rear Headlamp levelling device obviously defective |1.7.2| | 2 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Nearside Rear Anti-roll bar pin or bush excessively worn D bush (5.3.4 (a) (i)) | 2 |
| Offside Rear Anti-roll bar pin or bush excessively worn D bush (5.3.4 (a) (i)) | 2 |
| Brake pipe excessively corroded | 2 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Upper Anti-roll bar ball joint likely to become detached (5.3.4 (a) (ii)) | 2 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 2 |
| Offside Front Lower Suspension component ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Exhaust system insecure (6.1.2 (a)) | 2 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 2 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Nearside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 2 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Windscreen has damage | 2 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Offside Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Nearside Front Lower Suspension arm pin or bush excessively worn rear (5.3.4 (a) (i)) | 2 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 2 |
| Electronic stability control warning lamp indicates a fault |7.12 |e|| | 2 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 2 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Nearside Rear Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Front Anti-roll bar ball joint excessively worn |5.3.4 |a| |i|| | 2 |
| Offside Rear Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Nearside Front Anti-roll bar linkage fractured |2.4.G.1| | 2 |
| Rear Headlamp levelling device inoperative |4.1.5 |a|| | 2 |
| Rear brake binding | 2 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Offside Rear Upper Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 2 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Offside Front Anti-roll bar linkage worn and seriously weakened |2.4.G.1| | 2 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Nearside Front Inner Anti-roll bar pin or bush excessively worn d bush (5.3.4 (a) (i)) | 2 |
| Nearside Stop lamp|s| all not working |4.3.1 |a| |iii|| | 2 |
| Offside Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 2 |
| Front Position lamp not working both (4.2.1 (a) (ii)) | 2 |
| Nearside Front Position lamp not working |4.2.1 |a| |ii|| | 2 |