| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 748 |
| Headlamp aim out of alignment | 643 |
| Windscreen wiper does not clear the windscreen effectively | 311 |
| Parking brake: efficiency below requirements |3.7.B.7| | 212 |
| Rear parking brake recording little or no effort | 111 |
| Brakes imbalanced across an axle | 109 |
| Front brake disc in such a condition that it is seriously weakened | 105 |
| Parking brake lever has no reserve travel |3.1.6b| | 86 |
| Driver`s seat insecure |6.2.A.1| | 82 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 79 |
| Registration plate issues | 78 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 69 |
| Brake pipe excessively corroded | 67 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 63 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 63 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 62 |
| Service brake: efficiency below requirements |3.7.B.7| | 61 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 58 |
| Offside Front Direction indicator not working |1.4.A.2c| | 53 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 52 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 50 |
| Anti-lock braking system warning lamp indicates an ABS fault | 49 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 49 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 48 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 48 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 45 |
| Rear brake binding | 43 |
| Nearside Side repeater not working |1.4.A.2c| | 40 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 39 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 39 |
| Nearside Stop lamp not working |1.2.1b| | 35 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 35 |
| Offside Stop lamp not working |1.2.1b| | 35 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 34 |
| Rear brake disc in such a condition that it is seriously weakened | 32 |
| Offside Rear fog lamp not working |1.3.2b| | 30 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 29 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 29 |
| Windscreen has damage | 29 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 29 |
| Nearside Headlamp not working on main beam |1.7.5a| | 28 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 24 |
| Nearside Rear Stop lamp not working |1.2.1b| | 22 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 21 |
| Centre Rear Statutory seat belt missing |5.1.1| | 21 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 21 |
| Offside Side repeater not working |1.4.A.2c| | 20 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 20 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 19 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 19 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 19 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 18 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 18 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 18 |
| Battery insecure |1.9.1| | 17 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 17 |
| 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| | 17 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 16 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 16 |
| Rear brake application uneven | 15 |
| Offside Rear Stop lamp not working |1.2.1b| | 15 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 15 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 14 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 14 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 13 |
| Rear brake disc excessively pitted |3.5.1h| | 13 |
| Offside Front Direction indicators not working |1.4.A.2c| | 13 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 13 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 13 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| 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| | 12 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 12 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 12 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 12 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 12 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 12 |
| 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| | 12 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 12 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 11 |
| Front Sub-frame corroded and seriously weakened |2.4.G.1| | 11 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 11 |
| 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| | 11 |
| Emissions not tested |7.0| | 11 |
| Nearside Front Side repeater not working |1.4.A.2c| | 11 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 11 |
| Offside Front Driver`s seat insecure |6.2.A.1| | 10 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 10 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 10 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 10 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 10 |
| Fuel system component leaking |7.2.3| | 10 |
| Front brake application uneven | 10 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 10 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 9 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 9 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 9 |
| Rear fog lamp not working |1.3.2b| | 9 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 9 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 9 |
| Nearside Front Anti-lock braking system component excessively damaged |3.4.2| | 9 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 9 |
| Offside Front Anti-lock braking system component excessively damaged |3.4.2| | 9 |
| Offside Headlamp not working on main beam |1.7.5a| | 9 |
| Offside Front Seat belt affected by an insecure seat fixing |5.2.1b| | 9 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 9 |