| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 6779 |
| Headlamp aim out of alignment | 4171 |
| Windscreen wiper does not clear the windscreen effectively | 3155 |
| Brake pipe excessively corroded | 2337 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1986 |
| Brake hose excessively deteriorated | 1501 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1454 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1438 |
| Rear parking brake recording little or no effort | 1437 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 883 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 760 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 733 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 721 |
| Brakes imbalanced across an axle | 666 |
| Registration plate issues | 657 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 653 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 623 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 606 |
| Parking brake lever has no reserve travel |3.1.6b| | 587 |
| Offside Rear coil spring fractured |2.4.C.1a| | 551 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 507 |
| Offside Rear coil spring broken |2.4.C.1a| | 490 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 454 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 434 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 423 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 365 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 348 |
| Rear brake disc in such a condition that it is seriously weakened | 311 |
| Nearside Stop lamp not working |1.2.1b| | 287 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 287 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 286 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 286 |
| Rear brake binding | 283 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 280 |
| Nearside Rear coil spring broken |2.4.C.1a| | 269 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 263 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 247 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 246 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 239 |
| Offside Stop lamp not working |1.2.1b| | 237 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 235 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 224 |
| Front brake disc in such a condition that it is seriously weakened | 217 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 209 |
| Offside Steering rack gaiter split |2.2.D.2d| | 208 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 207 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 206 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 204 |
| Battery insecure |1.9.1| | 204 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 199 |
| Nearside Outer Rear position lamp|s| not working |1.1.A.3b| | 181 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 176 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 174 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 172 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 172 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 171 |
| Offside Outer Rear position lamp|s| not working |1.1.A.3b| | 167 |
| Fuel system component insecure |7.2.1| | 163 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 161 |
| Offside Rear fog lamp not working |1.3.2b| | 152 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 150 |
| Offside Front coil spring broken |2.4.C.1a| | 148 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 145 |
| Windscreen wiper blade insecure | 144 |
| Front brake application uneven | 142 |
| Front brake excessively fluctuating | 139 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 139 |
| Bonnet cannot be secured in the closed position |8.4.1| | 135 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 135 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 132 |
| Nearside Outer Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 132 |
| Nearside Inner Rear position lamp|s| not working |1.1.A.3b| | 131 |
| Brake hose damaged | 130 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 129 |
| Offside Front Seat belt damaged sufficient to significantly weakened the webbing |5.2.2a| | 127 |
| Offside Inner Rear position lamp|s| not working |1.1.A.3b| | 125 |
| Nearside Rear Stop lamp not working |1.2.1b| | 121 |
| Offside Outer Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 119 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 118 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 115 |
| Windscreen has damage | 113 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 112 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 111 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 109 |
| Front position lamp|s| not working |1.1.A.3b| | 106 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 102 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 102 |
| Offside Rear Stop lamp not working |1.2.1b| | 102 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 101 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 100 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 100 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 99 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 98 |
| Hazard warning switch faulty |1.4.B.1d| | 96 |
| Offside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 96 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 95 |
| Nearside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 95 |
| Rear fog lamp not working |1.3.2b| | 93 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 92 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 90 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 90 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 89 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 89 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 88 |
| Offside Front Seat belt stitching badly frayed |5.2.2b| | 85 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 84 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 84 |
| Offside Inner Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 83 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 81 |
| Nearside Inner Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 81 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 80 |
| Rear brake application uneven | 80 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 79 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 78 |
| Nearside Front coil spring broken |2.4.C.1a| | 77 |
| Offside Rear coil spring cracked |2.4.C.1a| | 76 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 76 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 75 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 75 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 74 |
| 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| | 73 |
| Service brake: efficiency below requirements |3.7.B.7| | 73 |
| Anti-lock braking system warning lamp indicates an ABS fault | 72 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 71 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 70 |