| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 4976 |
| Headlamp aim out of alignment | 3830 |
| Windscreen wiper does not clear the windscreen effectively | 3401 |
| Registration plate lamp issues | 2881 |
| Horn not working |1.6.2a| | 1928 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1346 |
| Brakes imbalanced across an axle | 993 |
| Service brake: efficiency below requirements |3.7.B.7| | 770 |
| Rear brake binding | 579 |
| Offside Stop lamp not working |1.2.1b| | 570 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 570 |
| Nearside Stop lamp not working |1.2.1b| | 567 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 544 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 536 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 528 |
| Registration plate issues | 477 |
| Offside Rear fog lamp not working |1.3.2b| | 444 |
| Exhaust system not adequately supported |7.1.1| | 421 |
| Rear parking brake recording little or no effort | 369 |
| Windscreen washer not working | 336 |
| Horn not working (7.7 (a)) | 333 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 312 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 310 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 307 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 305 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 295 |
| Windscreen has damage | 287 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 258 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 242 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 240 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 227 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 220 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 220 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 218 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 216 |
| Nearside Rear Stop lamp not working |1.2.1b| | 214 |
| Offside Rear Stop lamp not working |1.2.1b| | 213 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 213 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 201 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 190 |
| Parking brake lever has no reserve travel |3.1.6b| | 179 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 172 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 172 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 172 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 171 |
| Exhaust mounting missing |7.1.1b| | 170 |
| Horn not working (7.7 (a) (ii)) | 167 |
| Rear brake application uneven | 165 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 165 |
| Front brake disc in such a condition that it is seriously weakened | 164 |
| Centre Exhaust system not adequately supported |7.1.1| | 163 |
| Brake hose excessively deteriorated | 160 |
| Battery insecure |1.9.1| | 160 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 160 |
| Nearside Headlamp not working on main beam |1.7.5a| | 154 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 154 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 148 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 148 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 146 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 142 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 142 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 141 |
| Centre Exhaust mounting missing |7.1.1b| | 138 |
| Rear fog lamp not working |1.3.2b| | 135 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 133 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 130 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 130 |
| Horn not working |7.7 |a| |ii|| | 128 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 124 |
| Front brake application uneven | 123 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 122 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 122 |
| Rear fog lamp tell tale not working |1.3.1b| | 122 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 122 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 121 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 115 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 114 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 114 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 109 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 108 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 106 |
| Hazard warning switch faulty |1.4.B.1d| | 104 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 104 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 103 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 103 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 103 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 101 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 100 |
| Offside Headlamp not working on main beam |1.7.5a| | 100 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 100 |
| Fuel system component leaking |7.2.3| | 99 |
| Steering system excessively tight |2.2.D.1| | 98 |
| Nearside Front Macpherson strut upper support bearing is stiff in operation |2.5.B.1b| | 95 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 95 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 95 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 95 |
| Offside Side repeater not working |1.4.A.2c| | 95 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 94 |
| Emissions not tested |7.0| | 93 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 93 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 92 |
| Brake performance not tested |3.7.A.1| | 92 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 92 |
| Windscreen wiper blade insecure | 90 |
| Offside front brake binding |3.7.B.1| | 90 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 89 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 89 |
| Nearside front brake binding |3.7.B.1| | 89 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 89 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 88 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 87 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 86 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 86 |
| Offside Front Macpherson strut upper support bearing is stiff in operation |2.5.B.1b| | 85 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 85 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 84 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 81 |
| Rear Mechanical brake component has restricted free movement | 80 |
| Brake load sensing valve linkage seized |3.6.E.3| | 79 |
| Nearside Side repeater not working |1.4.A.2c| | 79 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 79 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 78 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 78 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 77 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 77 |
| Offside Front Brake pipe leaking |3.6.A.1| | 76 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 76 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 75 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 74 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 74 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 74 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 74 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 73 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 73 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 73 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 72 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 72 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 71 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 70 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 70 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 69 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 66 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 65 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 65 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 65 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 64 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 64 |
| Rear Exhaust system not adequately supported |7.1.1| | 64 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 64 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 63 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 63 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 63 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 62 |
| Headlamp levelling device inoperative (4.1.5 (a)) | 62 |
| Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 61 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 61 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 61 |
| Stop lamp not working |1.2.1b| | 60 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 60 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 59 |
| Front Exhaust system not adequately supported |7.1.1| | 59 |
| Offside Front Macpherson strut upper support bearing is rough in operation |2.5.B.1b| | 58 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 58 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 58 |
| Exhaust system insecure (6.1.2 (a)) | 58 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 57 |
| Nearside Front Macpherson strut upper support bearing is rough in operation |2.5.B.1b| | 57 |