| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 433 |
| Registration plate lamp issues | 143 |
| Offside Rear fog lamp not working |1.3.2b| | 125 |
| Rear brake binding | 104 |
| Windscreen wiper does not clear the windscreen effectively | 98 |
| Rear fog lamp not working |1.3.2b| | 95 |
| Registration plate issues | 94 |
| Brake hose excessively deteriorated | 86 |
| Horn not working |1.6.2a| | 63 |
| Brakes imbalanced across an axle | 59 |
| Parking brake: efficiency below requirements |3.7.B.7| | 55 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 50 |
| Rear parking brake recording little or no effort | 48 |
| Service brake: efficiency below requirements |3.7.B.7| | 44 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 41 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 36 |
| Windscreen washer not working | 30 |
| Nearside front brake binding |3.7.B.1| | 29 |
| Rear fog lamp tell tale not working |1.3.1b| | 26 |
| Offside front brake binding |3.7.B.1| | 26 |
| Nearside Stop lamp not working |1.2.1b| | 25 |
| Offside Stop lamp not working |1.2.1b| | 25 |
| Battery insecure |1.9.1| | 24 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 24 |
| Offside Rear fog lamp missing |1.3.2a| | 22 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 22 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 21 |
| Rear Mechanical brake component has restricted free movement | 20 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 20 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 20 |
| Nearside Side repeater not working |1.4.A.2c| | 19 |
| Offside Side repeater not working |1.4.A.2c| | 18 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 18 |
| Rear fog lamp switch missing |1.3.1a| | 18 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 17 |
| Offside Front front brake binding |3.7.B.1| | 17 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 17 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 16 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 16 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 16 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 16 |
| Rear Rear fog lamp not working |1.3.2b| | 16 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 16 |
| Mechanical brake component has restricted free movement | 15 |
| Offside Headlamp not working on main beam |1.7.5a| | 15 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 14 |
| Nearside Headlamp not working on main beam |1.7.5a| | 14 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 14 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 13 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 12 |
| Direction indicators not working |1.4.A.2c| | 12 |
| Nearside Front front brake binding |3.7.B.1| | 12 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 12 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 11 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 11 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 11 |
| Steering column top bearing excessively worn |2.1.2c| | 10 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 10 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 10 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 10 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 10 |
| Nearside Front Brake hose bulging under pressure |3.6.B.3| | 10 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 10 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 9 |
| Steering wheel weakened by fractures |2.1.1| | 9 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 9 |
| Hazard warning switch faulty |1.4.B.1d| | 9 |
| Offside Front Direction indicator not working |1.4.A.2c| | 9 |
| Headlamp switch faulty |1.7.1| | 9 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 9 |
| Front brake application uneven | 9 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 9 |
| Hazard warning lamps inoperative |1.4.B.1b| | 8 |
| Nearside Rear Stop lamp not working |1.2.1b| | 8 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 8 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 8 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 8 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 8 |
| Brake hose has insufficient room to move | 8 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 8 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 8 |
| front brake binding |3.7.B.1| | 8 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 8 |
| Offside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 7 |
| Exhaust engine idle speed too high |7.3.A.2a| | 7 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 7 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 7 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 7 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 7 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Nearside Rear fog lamp not working |1.3.2b| | 7 |
| Rear brake application uneven | 7 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 7 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 7 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 7 |
| Nearside Rear Rear fog lamp not working |1.3.2b| | 6 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 6 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Offside Steering rack gaiter split |2.2.D.2d| | 6 |
| Offside Rear Stop lamp not working |1.2.1b| | 6 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 6 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 6 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 6 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 6 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 6 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Nearside Front Side repeater not working |1.4.A.2c| | 6 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 6 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 6 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 6 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 5 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 5 |
| Rear Stop lamp not working |1.2.1b| | 5 |
| Front Headlamp not working on main beam |1.7.5a| | 5 |
| An item not tested |Manual| | 5 |
| Brake performance not tested |3.7.A.1| | 5 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 5 |
| Dipswitch operation does not deflect all main beam headlamps to make them dipped beams |1.7.4b| | 5 |
| Indicator switch faulty |1.4.A.1| | 5 |
| Stop lamp not working |1.2.1b| | 5 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 5 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Rear fog lamp missing |1.3.2a| | 5 |
| Stop lamp remains on when the brakes are released | 5 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 5 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 5 |
| Dipswitch operation does not extinguish all main beam headlamps leaving at least one pair of dipped beam headlamps |1.7.4b| | 5 |
| Horn not working |7.7 |a| |ii|| | 4 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 4 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 4 |
| Offside Rear front brake binding |3.7.B.1| | 4 |
| Offside Front Side repeater not working |1.4.A.2c| | 4 |
| Offside Rear Brake hose bulging under pressure |3.6.B.3| | 4 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 4 |
| Windscreen has damage | 4 |
| Offside Front Brake hose bulging under pressure |3.6.B.3| | 4 |
| Offside Rear Statutory seat belt missing |5.1.1| | 4 |
| Offside Rear Brake hose leaking |3.6.A.1| | 4 |
| All position lamps not working |1.1.A.3b| | 4 |
| Rear fog lamp missing (4.5.1 (a) (ii)) | 4 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Fuel system component insecure |7.2.1| | 4 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Driver`s seat insecure |6.2.A.1| | 4 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 4 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 4 |
| Brake pipe excessively corroded | 4 |
| Nearside Front Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 4 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 4 |
| Nearside Front brake caliper has restricted free movement |3.5.1k| | 4 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Offside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 4 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 4 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 4 |
| Nearside Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Offside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |