| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 868 |
| Registration plate lamp issues | 268 |
| Windscreen wiper does not clear the windscreen effectively | 236 |
| Brake hose excessively deteriorated | 211 |
| Registration plate issues | 182 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 154 |
| Offside Rear fog lamp not working |1.3.2b| | 129 |
| Rear brake binding | 103 |
| Rear fog lamp not working |1.3.2b| | 88 |
| Windscreen washer not working | 75 |
| Brakes imbalanced across an axle | 71 |
| Rear fog lamp tell tale not working |1.3.1b| | 70 |
| Nearside Stop lamp not working |1.2.1b| | 56 |
| Parking brake: efficiency below requirements |3.7.B.7| | 54 |
| Nearside Front Brake hose bulging under pressure |3.6.B.3| | 54 |
| Offside Stop lamp not working |1.2.1b| | 49 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 47 |
| Horn not working |1.6.2a| | 45 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 45 |
| Rear parking brake recording little or no effort | 45 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 43 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 39 |
| Service brake: efficiency below requirements |3.7.B.7| | 36 |
| Offside Side repeater not working |1.4.A.2c| | 35 |
| Nearside Side repeater not working |1.4.A.2c| | 32 |
| Rear Rear fog lamp not working |1.3.2b| | 31 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 29 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 29 |
| Nearside front brake binding |3.7.B.1| | 28 |
| Offside front brake binding |3.7.B.1| | 28 |
| Offside Front Brake hose bulging under pressure |3.6.B.3| | 27 |
| Steering column top bearing excessively worn |2.1.2c| | 25 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 24 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 23 |
| Anti-lock braking system warning lamp indicates an ABS fault | 22 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 22 |
| Nearside Headlamp not working on main beam |1.7.5a| | 22 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 21 |
| Nearside Rear Stop lamp not working |1.2.1b| | 20 |
| Nearside Front front brake binding |3.7.B.1| | 19 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 19 |
| Rear Mechanical brake component has restricted free movement | 19 |
| Dipswitch operation does not extinguish all main beam headlamps leaving at least one pair of dipped beam headlamps |1.7.4b| | 18 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 17 |
| Offside Rear Brake hose bulging under pressure |3.6.B.3| | 17 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 17 |
| Offside Headlamp not working on main beam |1.7.5a| | 17 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 17 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 17 |
| Windscreen has damage | 16 |
| Battery insecure |1.9.1| | 16 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 16 |
| Headlamp switch faulty |1.7.1| | 16 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 16 |
| Offside Rear Stop lamp not working |1.2.1b| | 16 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 16 |
| Offside Rear Anti-roll bar attachment bracket/mounting fractured |2.4.G.1| | 16 |
| Offside Front Direction indicator not working |1.4.A.2c| | 15 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 15 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 15 |
| Offside Front front brake binding |3.7.B.1| | 15 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 15 |
| Front brake application uneven | 15 |
| Dipswitch operation does not deflect all main beam headlamps to make them dipped beams |1.7.4b| | 15 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 15 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 14 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 13 |
| Offside Rear Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 13 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 13 |
| Offside Steering rack gaiter split |2.2.D.2d| | 13 |
| Brake hose has insufficient room to move | 12 |
| Nearside Rear Brake hose bulging under pressure |3.6.B.3| | 12 |
| Nearside Front Brake hose leaking |3.6.A.1| | 12 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 12 |
| Parking brake lever has no reserve travel |3.1.6b| | 12 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Offside Front brake disc excessively pitted |3.5.1h| | 11 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 11 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 11 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 11 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 11 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 11 |
| Mechanical brake component has restricted free movement | 11 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 11 |
| Front brake disc in such a condition that it is seriously weakened | 11 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 10 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 10 |
| Nearside Rear Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 10 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 10 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 10 |
| Nearside Front Side repeater not working |1.4.A.2c| | 9 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 9 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 9 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 9 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 9 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 9 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 9 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 9 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 9 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 9 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Stop lamp not working |1.2.1b| | 9 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 9 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 9 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 8 |
| Brake performance not tested |3.7.A.1| | 8 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 8 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 8 |
| Nearside Rear Anti-roll bar attachment bracket/mounting fractured |2.4.G.1| | 8 |
| Offside Front Brake hose leaking |3.6.A.1| | 8 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 8 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 8 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 8 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 8 |