| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 281 |
| Headlamp aim out of alignment | 188 |
| Windscreen wiper does not clear the windscreen effectively | 128 |
| Brake pipe excessively corroded | 124 |
| Nearside Stop lamp not working |1.2.1b| | 72 |
| Centre Stop lamp not working |1.2.1b| | 49 |
| Brakes imbalanced across an axle | 44 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 42 |
| Offside Stop lamp not working |1.2.1b| | 41 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 34 |
| Registration plate issues | 33 |
| Parking brake: efficiency below requirements |3.7.B.7| | 33 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 31 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 27 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 27 |
| Nearside Rear Stop lamp not working |1.2.1b| | 22 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 21 |
| Rear parking brake recording little or no effort | 21 |
| Service brake: efficiency below requirements |3.7.B.7| | 20 |
| Windscreen has damage | 18 |
| Offside Rear Stop lamp not working |1.2.1b| | 15 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 14 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 12 |
| Battery insecure |1.9.1| | 12 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 11 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 11 |
| Rear brake binding | 10 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 10 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 10 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 10 |
| Parking brake lever has no reserve travel |3.1.6b| | 9 |
| 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| | 8 |
| Horn not working |1.6.2a| | 8 |
| Front brake application uneven | 8 |
| Stop lamp not working |1.2.1b| | 8 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 8 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 8 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 8 |
| Upper Stop lamp not working |1.2.1b| | 8 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 8 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 7 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Front Exhaust system not adequately supported |7.1.1| | 7 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 7 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 7 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 7 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 7 |
| Windscreen washer not working | 7 |
| 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 Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 7 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 7 |
| Nearside Headlamp not working on main beam |1.7.5a| | 6 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 6 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 6 |
| Rear brake application uneven | 6 |
| 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| | 6 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Front brake disc in such a condition that it is seriously weakened | 6 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 6 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Offside Rear fog lamp not working |1.3.2b| | 5 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 5 |
| 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| | 5 |
| 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| | 5 |
| Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3| | 5 |
| 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| | 5 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 5 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 5 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 5 |
| 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| | 5 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 4 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Rear Stop lamp not working |1.2.1b| | 4 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 4 |
| 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| | 4 |
| Brake load sensing valve linkage seized |3.6.E.3| | 4 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 4 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 4 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 4 |
| Offside Steering rack gaiter split |2.2.D.2d| | 4 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 4 |
| 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| | 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 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| rear brake recording little or no effort |3.7.B.5a| | 4 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 4 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded outer sill |2.4.A.3| | 4 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Offside Headlamp not working on main beam |1.7.5a| | 3 |
| Offside rear brake excessively fluctuating |3.7.B.3| | 3 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 3 |
| Offside Obligatory mirror insecure |8.1.1| | 3 |
| Rear Exhaust system not adequately supported |7.1.1| | 3 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 3 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 3 |
| 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| | 3 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| 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| | 3 |
| Nearside Front 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 Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 3 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 3 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 3 |
| Central Stop lamp|s| not working |4.3.1 |a| |ii|| | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 3 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 3 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| 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| | 3 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 3 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 3 |
| Windscreen wiper blade insecure | 3 |
| Emissions not tested |7.0| | 3 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 3 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 3 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 3 |