| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 4050 |
| Headlamp aim out of alignment | 3874 |
| Brake pipe excessively corroded | 3813 |
| Registration plate lamp issues | 3167 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1772 |
| Brakes imbalanced across an axle | 1354 |
| Horn not working |1.6.2a| | 994 |
| Service brake: efficiency below requirements |3.7.B.7| | 959 |
| Rear brake binding | 841 |
| Rear parking brake recording little or no effort | 660 |
| Nearside Stop lamp not working |1.2.1b| | 636 |
| Exhaust system not adequately supported |7.1.1| | 598 |
| Offside Rear fog lamp not working |1.3.2b| | 559 |
| Offside Stop lamp not working |1.2.1b| | 558 |
| Registration plate issues | 528 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 407 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 406 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 394 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 393 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 375 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 363 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 349 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 332 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 329 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 323 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 322 |
| Windscreen has damage | 318 |
| Parking brake lever has no reserve travel |3.1.6b| | 302 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 274 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 271 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 269 |
| Horn not working (7.7 (a)) | 253 |
| Centre Exhaust system not adequately supported |7.1.1| | 250 |
| Windscreen washer not working | 248 |
| Offside Rear Stop lamp not working |1.2.1b| | 242 |
| Rear brake application uneven | 231 |
| Nearside Rear Stop lamp not working |1.2.1b| | 220 |
| Front brake application uneven | 219 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 215 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 214 |
| Brake load sensing valve linkage seized |3.6.E.3| | 196 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 193 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 173 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 172 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 170 |
| Nearside front brake binding |3.7.B.1| | 169 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 167 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 166 |
| Brake hose excessively deteriorated | 165 |
| Front brake disc in such a condition that it is seriously weakened | 164 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 163 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 163 |
| Battery insecure |1.9.1| | 161 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 160 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 160 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 158 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 157 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 156 |
| Offside front brake binding |3.7.B.1| | 153 |
| Exhaust mounting missing |7.1.1b| | 153 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 150 |
| Horn not working (7.7 (a) (ii)) | 150 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 148 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 148 |
| Rear fog lamp not working |1.3.2b| | 146 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 145 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 142 |
| Nearside Headlamp not working on main beam |1.7.5a| | 142 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 140 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 138 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 138 |
| Brake load sensing valve seized |3.6.E.3| | 138 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 137 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 137 |
| Offside Headlamp not working on main beam |1.7.5a| | 135 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 135 |
| Fuel system component leaking |7.2.3| | 134 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 131 |
| Centre Exhaust mounting missing |7.1.1b| | 129 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 125 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 124 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 122 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 121 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 119 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 118 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 118 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 116 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 115 |
| Rear fog lamp tell tale not working |1.3.1b| | 115 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 110 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 109 |
| Horn not working |7.7 |a| |ii|| | 108 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 108 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 106 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 106 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 105 |
| Centre Stop lamp not working |1.2.1b| | 104 |
| Nearside Headlamp insecure |1.7.3| | 103 |
| Rear Exhaust system not adequately supported |7.1.1| | 102 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 102 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 101 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 100 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 99 |
| Rear Mechanical brake component has restricted free movement | 98 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 98 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 97 |
| Nearside Side repeater not working |1.4.A.2c| | 96 |
| Windscreen wiper blade insecure | 94 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 94 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 91 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 91 |
| Offside Side repeater not working |1.4.A.2c| | 90 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 89 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 88 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 87 |
| Offside Headlamp insecure |1.7.3| | 86 |
| Front brake excessively fluctuating | 86 |
| Offside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 86 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 85 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 85 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 85 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 84 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 83 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 82 |
| Emissions not tested |7.0| | 82 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 82 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 82 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 81 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 81 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 81 |
| Front Exhaust system not adequately supported |7.1.1| | 80 |
| Stop lamp not working |1.2.1b| | 80 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 80 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 79 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 77 |
| Brake hose damaged | 77 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 77 |
| Nearside Front Shock absorbers has a serious fluid leak | 77 |
| Offside Front Subframe mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 77 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 75 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 74 |
| Mechanical brake component has restricted free movement | 74 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 74 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 73 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 73 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 73 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 72 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 72 |
| Nearside Front front brake binding |3.7.B.1| | 72 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 72 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 70 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 70 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 69 |