| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 83 |
| Windscreen wiper does not clear the windscreen effectively | 62 |
| Headlamp aim out of alignment | 46 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 26 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 25 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 25 |
| Nearside Stop lamp not working |1.2.1b| | 21 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 19 |
| Offside Stop lamp not working |1.2.1b| | 17 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Offside Rear Stop lamp not working |1.2.1b| | 10 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Parking brake: efficiency below requirements |3.7.B.7| | 8 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Nearside Rear Stop lamp not working |1.2.1b| | 7 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 7 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 7 |
| Windscreen washer not working | 6 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 6 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Offside Front coil spring broken |2.4.C.1a| | 5 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 3 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 3 |
| Offside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Nearside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 3 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 3 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 3 |
| Brakes imbalanced across an axle | 3 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Registration plate issues | 3 |
| Nearside Front Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Offside Front Position lamp not working |4.2.1 |a| |ii|| | 3 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 3 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 3 |
| Nearside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 2 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 2 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 2 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Front position lamp|s| not working both |1.1.A.3b| | 2 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 2 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 2 |
| Rear brake binding | 2 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 2 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 2 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Nearside Front Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 2 |
| Offside Front Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Nearside Rear Shock absorbers insecurely attached (5.3.2 (a) (i)) | 2 |
| Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 2 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 2 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 2 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 2 |
| Offside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 2 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Rear Mechanical brake component has restricted free movement | 2 |
| Rear parking brake recording little or no effort | 2 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 2 |
| Nearside Front coil spring broken |2.4.C.1a| | 2 |