| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 218 |
| Windscreen wiper does not clear the windscreen effectively | 102 |
| Nearside Stop lamp not working |1.2.1b| | 56 |
| Brake pipe excessively corroded | 49 |
| Offside Stop lamp not working |1.2.1b| | 42 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 40 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 35 |
| Registration plate lamp issues | 30 |
| Offside Front coil spring broken |2.4.C.1a| | 29 |
| Anti-lock braking system warning lamp indicates an ABS fault | 27 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 23 |
| Registration plate issues | 21 |
| Brake hose excessively deteriorated | 21 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 20 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 19 |
| Nearside Front coil spring broken |2.4.C.1a| | 18 |
| Rear parking brake recording little or no effort | 16 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 15 |
| Front brake disc in such a condition that it is seriously weakened | 15 |
| Brakes imbalanced across an axle | 15 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 15 |
| Windscreen washer not working | 13 |
| Horn not working |1.6.2a| | 13 |
| Nearside Rear Stop lamp not working |1.2.1b| | 12 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 12 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 12 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 12 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 11 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 11 |
| Offside Front coil spring incomplete |2.4.C.1a| | 11 |
| Offside Rear Stop lamp not working |1.2.1b| | 11 |
| Parking brake: efficiency below requirements |3.7.B.7| | 11 |
| Nearside Rear coil spring broken |2.4.C.1a| | 10 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 10 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 10 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 9 |
| Nearside Front coil spring fractured |2.4.C.1a| | 9 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 9 |
| Offside Front coil spring fractured |2.4.C.1a| | 8 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 8 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Offside Rear coil spring broken |2.4.C.1a| | 7 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 7 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 6 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 6 |
| Stop lamp not working |1.2.1b| | 6 |
| Offside Front Shock absorbers has a serious fluid leak | 6 |
| Fuel cap/sealing device sealing washer torn |7.2.4c| | 6 |
| Horn not working |7.7 |a| |ii|| | 6 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 6 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Rear brake application uneven | 6 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 6 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 6 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 5 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 5 |
| Offside Front Coil spring not correctly located |2.4.C.2| | 5 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 5 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 5 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Centre Stop lamp not working |1.2.1b| | 4 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 4 |
| Offside Rear fog lamp not working |1.3.2b| | 4 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 4 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 4 |
| Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 4 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 4 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 4 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 3 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 3 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 3 |
| Offside Side repeater not working |1.4.A.2c| | 3 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 3 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 3 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Front Body has a sharp edge caused by damage |6.1.C.1| | 3 |
| Exhaust system insecure (6.1.2 (a)) | 3 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Emissions not tested (8.2.1.2 (d)) | 3 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 3 |
| Offside Front Position lamp not working |4.2.1 |a|| | 3 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 3 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 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 |
| Emissions not tested |7.0| | 3 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 3 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 3 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 3 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 3 |
| Offside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Drivers door cannot be opened from inside the vehicle (6.2.3 (a)) | 3 |
| Nearside Front Headlamp aim not tested (4.1.2 (b)) | 3 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 3 |
| Parking brake lever has no reserve travel |3.1.6b| | 3 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 3 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 3 |
| Horn not working (7.7 (a)) | 3 |
| Nearside Headlamp not working on main beam |1.7.5a| | 3 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Front Side repeater incorrect colour |4.4.3 |a|| | 3 |
| Offside Front Side repeater incorrect colour |4.4.3 |a|| | 3 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |