| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 556 |
| Headlamp aim out of alignment | 335 |
| Windscreen wiper does not clear the windscreen effectively | 311 |
| Brake pipe excessively corroded | 235 |
| Nearside Stop lamp not working |1.2.1b| | 114 |
| Offside Stop lamp not working |1.2.1b| | 102 |
| Centre Stop lamp not working |1.2.1b| | 98 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 75 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 74 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 58 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 56 |
| Registration plate issues | 53 |
| Windscreen has damage | 51 |
| Nearside Rear Stop lamp not working |1.2.1b| | 50 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 46 |
| Brakes imbalanced across an axle | 44 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 44 |
| Anti-lock braking system warning lamp indicates an ABS fault | 44 |
| Offside Rear Stop lamp not working |1.2.1b| | 37 |
| Horn not working |1.6.2a| | 37 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 37 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 34 |
| Parking brake: efficiency below requirements |3.7.B.7| | 32 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 31 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 28 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 27 |
| Rear parking brake recording little or no effort | 25 |
| Battery insecure |1.9.1| | 25 |
| Nearside Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 23 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 23 |
| Centre Rear Stop lamp not working |1.2.1b| | 23 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 23 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 21 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 21 |
| Stop lamp not working |1.2.1b| | 19 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 17 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 17 |
| 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| | 16 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 16 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 16 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 16 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 16 |
| Rear brake binding | 16 |
| Offside 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| | 16 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 15 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 15 |
| Front brake disc in such a condition that it is seriously weakened | 14 |
| Offside Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 14 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 14 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 14 |
| Offside Rear fog lamp not working |1.3.2b| | 13 |
| Parking brake lever has no reserve travel |3.1.6b| | 13 |
| Power steering fluid level below minimum |2.3.1| | 13 |
| Windscreen wiper blade insecure | 13 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 13 |
| Nearside Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 12 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 12 |
| Offside Rear Body has a sharp edge caused by damage |6.1.C.1| | 12 |
| Offside Front Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 12 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 11 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 11 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Offside Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 10 |
| Nearside Rear Anti-roll bar attachment bracket/mounting fractured |2.4.G.1| | 10 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 10 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 10 |
| Nearside Front Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 10 |
| Nearside Rear Body has a sharp edge caused by damage |6.1.C.1| | 10 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 10 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 10 |
| Offside Front Position lamp not working |4.2.1 |a|| | 10 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 9 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 9 |
| Windscreen washer not working | 9 |
| Nearside Headlamp not working on main beam |1.7.5a| | 9 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Service brake: efficiency below requirements |3.7.B.7| | 9 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 9 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 9 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 8 |
| Nearside Front Anti-roll bar ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 8 |
| Offside Front Anti-roll bar ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 8 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 8 |
| Power steering component|s| leaking |2.3.3b| | 8 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 8 |
| Offside Headlamp not working on main beam |1.7.5a| | 8 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 8 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 8 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 8 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 8 |
| Exhaust system not adequately supported |7.1.1| | 8 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 7 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 7 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 7 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 7 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 7 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 7 |
| Offside Rear Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 7 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 7 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 7 |
| Brake performance not tested |3.7.A.1| | 7 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Rear brake application uneven | 7 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 7 |
| Nearside Front Passenger`s seat cannot be secured in the upright position. |6.2.A.2| | 6 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 6 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 6 |
| Offside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 6 |
| Offside Rear rear brake excessively fluctuating |3.7.B.3| | 6 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 6 |
| Emissions not tested (8.2.1.2 (d)) | 6 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 6 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 6 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 6 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 6 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 6 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 6 |
| Centre Rear Upper Stop lamp not working |1.2.1b| | 6 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Nearside Front Anti-roll bar linkage fractured |2.4.G.1| | 6 |
| Offside Rear Anti-roll bar attachment bracket/mounting fractured |2.4.G.1| | 6 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 6 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Nearside Rear Brake pipe leaking |3.6.A.1| | 6 |