| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5808 |
| Windscreen wiper does not clear the windscreen effectively | 5573 |
| Registration plate lamp issues | 3284 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2465 |
| Brakes imbalanced across an axle | 1936 |
| Rear brake binding | 1691 |
| Service brake: efficiency below requirements |3.7.B.7| | 1667 |
| Rear parking brake recording little or no effort | 1164 |
| Horn not working |1.6.2a| | 776 |
| Registration plate issues | 742 |
| Brake pipe excessively corroded | 700 |
| Nearside Stop lamp not working |1.2.1b| | 685 |
| Offside Rear fog lamp not working |1.3.2b| | 652 |
| Offside Stop lamp not working |1.2.1b| | 606 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 593 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 578 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 529 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 489 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 482 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 467 |
| Parking brake lever has no reserve travel |3.1.6b| | 457 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 440 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 414 |
| Windscreen has damage | 393 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 391 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 391 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 385 |
| Rear brake application uneven | 373 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 365 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 360 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 357 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 346 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 344 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 336 |
| Nearside front brake binding |3.7.B.1| | 329 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 323 |
| Brake load sensing valve linkage seized |3.6.E.3| | 314 |
| Brake load sensing valve seized |3.6.E.3| | 307 |
| Offside front brake binding |3.7.B.1| | 306 |
| Front brake application uneven | 306 |
| Windscreen washer not working | 296 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 287 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 272 |
| Nearside Rear Stop lamp not working |1.2.1b| | 269 |
| Centre Stop lamp not working |1.2.1b| | 256 |
| Brake hose excessively deteriorated | 249 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 248 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 247 |
| Front brake disc in such a condition that it is seriously weakened | 232 |
| Offside Rear Stop lamp not working |1.2.1b| | 228 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 217 |
| Rear fog lamp not working |1.3.2b| | 207 |
| Battery insecure |1.9.1| | 206 |
| Horn not working (7.7 (a)) | 206 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 198 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 198 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 196 |
| Nearside Headlamp insecure |1.7.3| | 191 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 189 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 185 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 184 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 183 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 181 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 179 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 174 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 174 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 172 |
| Offside Headlamp insecure |1.7.3| | 170 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 169 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 169 |
| Anti-lock braking system warning lamp indicates an ABS fault | 166 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 163 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 161 |
| Windscreen wiper blade insecure | 159 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 159 |
| Nearside Front Shock absorbers has a serious fluid leak | 158 |
| Stop lamp not working |1.2.1b| | 155 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 154 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 153 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 152 |
| Rear Mechanical brake component has restricted free movement | 152 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 151 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 150 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 144 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 143 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 141 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 141 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 141 |
| Fuel system component leaking |7.2.3| | 140 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 136 |
| Brake hose damaged | 135 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 135 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 134 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 131 |
| Nearside Front front brake binding |3.7.B.1| | 131 |
| Offside Front Shock absorbers has a serious fluid leak | 131 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 129 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 129 |
| Mechanical brake component has restricted free movement | 127 |
| Offside Front front brake binding |3.7.B.1| | 122 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 122 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 120 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 120 |
| Front brake excessively fluctuating | 120 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 120 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 119 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 119 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 119 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 116 |
| Exhaust system not adequately supported |7.1.1| | 115 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 115 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 115 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 114 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 112 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 112 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 110 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 109 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 107 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 107 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 105 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 103 |
| Offside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 101 |
| Brake hose has insufficient room to move | 100 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 99 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 99 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 99 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 99 |
| Horn not working (7.7 (a) (ii)) | 98 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 98 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 97 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 96 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 94 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 94 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 93 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 92 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 91 |
| 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| | 91 |