| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 199 |
| Headlamp aim out of alignment | 151 |
| Windscreen wiper does not clear the windscreen effectively | 69 |
| Registration plate issues | 30 |
| Parking brake: efficiency below requirements |3.7.B.7| | 29 |
| Brakes imbalanced across an axle | 24 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 24 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 22 |
| Service brake: efficiency below requirements |3.7.B.7| | 22 |
| Offside Front Direction indicator not working |1.4.A.2c| | 21 |
| Anti-lock braking system warning lamp indicates an ABS fault | 19 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 18 |
| Parking brake lever has no reserve travel |3.1.6b| | 18 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 17 |
| Front brake disc in such a condition that it is seriously weakened | 16 |
| Driver`s seat insecure |6.2.A.1| | 15 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 15 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 15 |
| Rear brake application uneven | 14 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 14 |
| Nearside Stop lamp not working |1.2.1b| | 13 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 13 |
| Offside Stop lamp not working |1.2.1b| | 12 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 11 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 11 |
| Rear parking brake recording little or no effort | 11 |
| Brake pipe excessively corroded | 11 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 10 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 10 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 9 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Offside Front Direction indicators not working |1.4.A.2c| | 9 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 9 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 8 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 8 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Offside Steering rack gaiter split |2.2.D.2d| | 8 |
| Rear brake disc in such a condition that it is seriously weakened | 8 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 8 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 8 |
| Nearside Headlamp not working on main beam |1.7.5a| | 7 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 7 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| 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| | 6 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 6 |
| Nearside Side repeater not working |1.4.A.2c| | 6 |
| Windscreen has damage | 6 |
| Offside Rear Stop lamp not working |1.2.1b| | 6 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 6 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| 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| | 5 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 5 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 5 |
| Offside Side repeater not working |1.4.A.2c| | 5 |
| 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| | 5 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 5 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Rear brake disc excessively pitted |3.5.1h| | 5 |
| Offside Headlamp insecure |1.7.3| | 4 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 4 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 4 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 4 |
| Nearside Front Anti-roll bar ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 4 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 4 |
| Offside Rear fog lamp not working |1.3.2b| | 4 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 4 |
| Centre Rear Statutory seat belt missing |5.1.1| | 4 |
| Offside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Offside Steering rack gaiter insecure |2.2.D.2d| | 4 |
| Front Sub-frame corroded and seriously weakened (5.3.3 (b) (i)) | 4 |
| Windscreen washer not working | 4 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| 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| | 4 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 4 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 3 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 3 |
| Offside Front brake disc excessively pitted |3.5.1h| | 3 |
| Windscreen wiper blade insecure | 3 |
| Offside Front Side repeater not working |1.4.A.2c| | 3 |
| Offside 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 Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 3 |
| Offside Front front brake binding |3.7.B.1| | 3 |
| Power steering component|s| leaking |2.3.3b| | 3 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 3 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 3 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 3 |
| Offside Front Anti-roll bar ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Front Direction indicator not working |1.4.A.2c| | 3 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 3 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 3 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 3 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Exhaust system not adequately supported |7.1.1| | 3 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 3 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 3 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 3 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 3 |