| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 307 |
| Brake pipe excessively corroded | 83 |
| Windscreen wiper does not clear the windscreen effectively | 83 |
| Registration plate issues | 46 |
| Registration plate lamp issues | 44 |
| Anti-lock braking system warning lamp indicates an ABS fault | 43 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 36 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 27 |
| Brakes imbalanced across an axle | 24 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 21 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 21 |
| Parking brake: efficiency below requirements |3.7.B.7| | 16 |
| Rear parking brake recording little or no effort | 14 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 13 |
| Front brake disc in such a condition that it is seriously weakened | 12 |
| Offside Rear fog lamp not working |1.3.2b| | 12 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 11 |
| Windscreen washer not working | 11 |
| Brake hose excessively deteriorated | 11 |
| Horn not working |1.6.2a| | 10 |
| Offside Front Direction indicator not working |1.4.A.2c| | 9 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 8 |
| Offside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 8 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 8 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 8 |
| Centre Exhaust system not adequately supported |7.1.1| | 8 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Offside Rear coil spring fractured |2.4.C.1a| | 8 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 7 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 7 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 6 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 6 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Front brake disc excessively pitted |3.5.1h| | 6 |
| Offside Front coil spring incomplete |2.4.C.1a| | 6 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 5 |
| Offside Rear Upper Shock absorber has an excessively worn bush |2.7.4| | 5 |
| Offside Front coil spring broken |2.4.C.1a| | 5 |
| Offside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 5 |
| Nearside Rear Upper Shock absorber has an excessively worn bush |2.7.4| | 5 |
| Nearside Front coil spring fractured |2.4.C.1a| | 5 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 5 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 5 |
| Offside Front coil spring fractured |2.4.C.1a| | 4 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 4 |
| Nearside front brake binding |3.7.B.1| | 4 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Rear Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 4 |
| Front brake disc excessively pitted |3.5.1h| | 4 |
| Offside Headlamp not working on main beam |1.7.5a| | 4 |
| Windscreen has damage | 4 |
| Nearside Inner Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Offside Side repeater not working |1.4.A.2c| | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Rear brake binding | 4 |
| Offside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 4 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Front brake application uneven | 4 |
| Exhaust system not adequately supported |7.1.1| | 4 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 4 |
| Nearside Side repeater not working |1.4.A.2c| | 4 |
| Offside Inner Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Anti-lock braking system warning lamp does not illuminate (1.6 (a)) | 3 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 3 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 3 |
| Nearside Rear Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Rear Wheel bolt|s| missing |4.2.A.1e| | 3 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Brake pedal spongy |3.3.B.1b| | 3 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 3 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Nearside Stop lamp not working |1.2.1b| | 3 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| 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| | 3 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Windscreen wiper not working |3.4 |a|| | 3 |
| Offside Rear coil spring broken |2.4.C.1a| | 3 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Rear brake application uneven | 3 |
| Emissions not tested (8.2.1.2 (d)) | 3 |
| Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 3 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Outer Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 3 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 3 |