| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 357 |
| Windscreen wiper does not clear the windscreen effectively | 205 |
| Offside Stop lamp not working |1.2.1b| | 134 |
| Nearside Stop lamp not working |1.2.1b| | 118 |
| Brake pipe excessively corroded | 97 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 93 |
| Horn not working |1.6.2a| | 85 |
| Registration plate issues | 82 |
| Registration plate lamp issues | 79 |
| Brakes imbalanced across an axle | 74 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 61 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 60 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 60 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 57 |
| Offside Rear Stop lamp not working |1.2.1b| | 53 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 51 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 51 |
| Offside Front coil spring incomplete |2.4.C.1a| | 43 |
| Nearside Rear Stop lamp not working |1.2.1b| | 43 |
| Front brake disc in such a condition that it is seriously weakened | 37 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 36 |
| Offside Front coil spring fractured |2.4.C.1a| | 35 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 33 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 32 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 31 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 30 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 30 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 29 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 29 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 25 |
| Nearside Front coil spring fractured |2.4.C.1a| | 25 |
| Service brake: efficiency below requirements |3.7.B.7| | 24 |
| Offside Front coil spring broken |2.4.C.1a| | 23 |
| Anti-lock braking system warning lamp indicates an ABS fault | 23 |
| Rear parking brake recording little or no effort | 21 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 21 |
| Nearside Front coil spring broken |2.4.C.1a| | 19 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 19 |
| Parking brake: efficiency below requirements |3.7.B.7| | 18 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 16 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 16 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 15 |
| Windscreen washer not working | 15 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 14 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 13 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 12 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 12 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Horn not working (7.7 (a) (ii)) | 11 |
| Front brake application uneven | 11 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 11 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 11 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 11 |
| Stop lamp not working |1.2.1b| | 11 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 11 |
| Offside Headlamp not working on main beam |1.7.5a| | 11 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 11 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Fuel cap/sealing device sealing washer torn |7.2.4c| | 10 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 10 |
| All position lamps not working |1.1.A.3b| | 10 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 10 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 10 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 10 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 10 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 10 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 9 |
| Offside Rear coil spring broken |2.4.C.1a| | 9 |
| Offside Front brake disc excessively pitted |3.5.1h| | 9 |
| Offside Rear coil spring fractured |2.4.C.1a| | 9 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 9 |
| Rear Stop lamp not working |1.2.1b| | 9 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 9 |
| Nearside Rear coil spring broken |2.4.C.1a| | 9 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 9 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 9 |
| Rear brake application uneven | 8 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 8 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |
| Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 8 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 8 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Nearside Side repeater not working |1.4.A.2c| | 8 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 8 |
| Horn not working (7.7 (a)) | 7 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 7 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 7 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 7 |
| Offside Rear fog lamp not working |1.3.2b| | 7 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 7 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Offside Side repeater not working |1.4.A.2c| | 7 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 7 |
| Windscreen has damage | 7 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Emissions not tested |7.0| | 7 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 7 |
| Offside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 7 |
| Offside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 7 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 7 |
| Offside Front Side repeater incorrect colour (4.4.3 (a)) | 6 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 6 |
| Centre Stop lamp not working |1.2.1b| | 6 |
| Brake pedal spongy |3.3.B.1b| | 6 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 6 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 6 |
| Nearside Headlamp not working on main beam |1.7.5a| | 6 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 6 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 6 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 6 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 6 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Offside Headlamp insecure |1.7.3| | 6 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 6 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 6 |