| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 237 |
| Windscreen wiper does not clear the windscreen effectively | 142 |
| Registration plate lamp issues | 90 |
| Nearside Stop lamp not working |1.2.1b| | 72 |
| Offside Stop lamp not working |1.2.1b| | 68 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 46 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 44 |
| Anti-lock braking system warning lamp indicates an ABS fault | 34 |
| Brake pipe excessively corroded | 33 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 31 |
| Offside Rear Stop lamp not working |1.2.1b| | 27 |
| Front brake disc in such a condition that it is seriously weakened | 27 |
| Brake hose excessively deteriorated | 26 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 23 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 23 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 21 |
| Offside Front coil spring incomplete |2.4.C.1a| | 21 |
| Horn not working |1.6.2a| | 21 |
| Nearside Front coil spring broken |2.4.C.1a| | 19 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 19 |
| Nearside Rear Stop lamp not working |1.2.1b| | 19 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 18 |
| Brakes imbalanced across an axle | 18 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 17 |
| Offside Front coil spring broken |2.4.C.1a| | 17 |
| Registration plate issues | 17 |
| Offside Front coil spring fractured |2.4.C.1a| | 16 |
| Windscreen washer not working | 16 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 15 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 15 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 15 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 13 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 12 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 11 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 11 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 10 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 10 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 10 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 9 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 9 |
| Rear parking brake recording little or no effort | 9 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 9 |
| Horn not working (7.7 (a) (ii)) | 9 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 8 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 8 |
| Parking brake: efficiency below requirements |3.7.B.7| | 8 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 8 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 8 |
| Offside Rear coil spring broken |2.4.C.1a| | 7 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 7 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 7 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 7 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Offside Front 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)) | 6 |
| Offside Side repeater not working |1.4.A.2c| | 6 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 6 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 6 |
| Nearside Front coil spring fractured |2.4.C.1a| | 6 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 6 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 6 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 6 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 6 |
| Horn not working |7.7 |a| |ii|| | 6 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 6 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 6 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 6 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 5 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 5 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 5 |
| 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)) | 5 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 5 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 5 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Nearside Rear coil spring broken |2.4.C.1a| | 4 |
| Nearside Front Lower Suspension arm ball joint 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 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Rear Stop lamp not working |1.2.1b| | 4 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 4 |
| 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)) | 4 |
| Horn not working (7.7 (a)) | 4 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 4 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 4 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Emissions not tested (8.2.1.2 (d)) | 3 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 3 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 3 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 3 |
| Headlamp aim not tested |1.8.A.1c| | 3 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Front brake excessively fluctuating | 3 |
| Offside Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 3 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 3 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 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 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 3 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 3 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 3 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Offside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 3 |
| Nearside Front Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 3 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 3 |
| Offside Headlamp aim not tested |1.8.A.1c| | 3 |
| Stop lamp not working |1.2.1b| | 3 |
| Nearside Side repeater not working |1.4.A.2c| | 3 |
| Emissions not tested |7.3.A.1| | 3 |
| Rear Exhaust system not adequately supported |7.1.1| | 3 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 3 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Nearside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 3 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Windscreen wiper blade insecure | 3 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 3 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 3 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 3 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |