| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 218 |
| Windscreen wiper does not clear the windscreen effectively | 136 |
| Headlamp aim out of alignment | 132 |
| Brake pipe excessively corroded | 111 |
| Parking brake: efficiency below requirements |3.7.B.7| | 86 |
| Rear parking brake recording little or no effort | 52 |
| Service brake: efficiency below requirements |3.7.B.7| | 34 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 33 |
| Offside Stop lamp not working |1.2.1b| | 32 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 32 |
| Nearside Stop lamp not working |1.2.1b| | 30 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 29 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 28 |
| Brakes imbalanced across an axle | 28 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 27 |
| Centre Stop lamp not working |1.2.1b| | 26 |
| Windscreen has damage | 25 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 24 |
| Registration plate issues | 22 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 21 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 19 |
| Battery insecure |1.9.1| | 19 |
| Rear brake binding | 18 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 17 |
| Nearside 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)) | 15 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 14 |
| Anti-lock braking system warning lamp indicates an ABS fault | 13 |
| Stop lamp not working |1.2.1b| | 13 |
| Offside Rear Stop lamp not working |1.2.1b| | 13 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 11 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 11 |
| Nearside Rear Stop lamp not working |1.2.1b| | 11 |
| Windscreen wiper blade insecure | 10 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 9 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 9 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 9 |
| Offside Rear fog lamp not working |1.3.2b| | 9 |
| Rear Exhaust system not adequately supported |7.1.1| | 8 |
| Rear brake application uneven | 8 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 8 |
| 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| | 8 |
| Parking brake lever has no reserve travel |3.1.6b| | 8 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 8 |
| Windscreen washer not working | 8 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 8 |
| 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| | 7 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 7 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 6 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded outer sill |2.4.A.3| | 6 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 5 |
| Horn not working |1.6.2a| | 5 |
| Central Stop lamp not working |1.2.1b| | 5 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 5 |
| Offside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 5 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 5 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 5 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Brake hose excessively deteriorated | 5 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 5 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 5 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 5 |
| Emissions not tested |7.0| | 5 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 5 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 4 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| 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| | 4 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 4 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 4 |
| 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| | 4 |
| 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| | 4 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Rear Anti-roll bar linkage insecure |2.4.G.1| | 4 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Nearside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 4 |
| Offside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 4 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Upper Stop lamp not working |1.2.1b| | 4 |
| Centre Rear Stop lamp not working |1.2.1b| | 4 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 4 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 4 |
| 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| | 4 |
| Rear brake disc in such a condition that it is seriously weakened | 4 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Offside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 4 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 4 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 4 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 4 |
| Nearside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 4 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 3 |
| Nearside Rear Anti-roll bar linkage insecure |2.4.G.1| | 3 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 3 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 3 |
| 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| | 3 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 3 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength inner sill (5.3.6 (a) (i)) | 3 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Front position lamp|s| not working |1.1.A.3b| | 3 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Front Position lamp not working |4.2.1 |a|| | 3 |
| Central Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 3 |
| Rear Exhaust system insecure (6.1.2 (a)) | 3 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 3 |
| Battery insecure and likely to cause a short circuit |4.13 |a| |ii|| | 3 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 3 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 3 |
| Central Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Nearside rear brake excessively fluctuating |3.7.B.3| | 3 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 3 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 3 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 3 |
| Fuel pipe leaking |7.2.3| | 3 |
| Nearside Rear Brake hose twisted |3.6.B.4c| | 3 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 3 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 3 |
| Offside Headlamp insecure |1.7.3| | 3 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| rear brake recording little or no effort |3.7.B.5a| | 3 |
| Fuel system component leaking |7.2.3| | 3 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 3 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength under sill (5.3.6 (a) (i)) | 3 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded outer sill |2.4.A.3| | 3 |
| Nearside Rear Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 3 |
| Offside Steering rack gaiter split |2.2.D.2d| | 3 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine |8.2.2.2 |b|| | 3 |
| engine mounting deteriorated resulting in excessive movement |6.1.D.1a| | 3 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 3 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 3 |