| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 98 |
| Windscreen wiper does not clear the windscreen effectively | 88 |
| Brake pipe excessively corroded | 79 |
| Registration plate lamp issues | 72 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 30 |
| Registration plate issues | 24 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 23 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 21 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 18 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 18 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 17 |
| Front brake disc in such a condition that it is seriously weakened | 16 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 16 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 16 |
| Anti-lock braking system warning lamp indicates an ABS fault | 15 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 14 |
| Windscreen washer not working | 14 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 13 |
| Brakes imbalanced across an axle | 13 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 13 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 12 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 11 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 10 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 9 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 9 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 8 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 8 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 7 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 7 |
| Power steering pipe/hose leaking (2.1.5 (a)) | 7 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Offside Side repeater not working |1.4.A.2c| | 7 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 7 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 6 |
| Windscreen has damage | 6 |
| Offside Side repeater not working |4.4.1 |a| |ii|| | 6 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 6 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 6 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Nearside Rear Valve stem seriously damaged (5.2.3 (j)) | 5 |
| Offside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 5 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 5 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 5 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 5 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 5 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 5 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 5 |
| Rear brake disc in such a condition that it is seriously weakened | 4 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 4 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 4 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Offside Front Valve stem seriously damaged (5.2.3 (j)) | 4 |
| Offside Rear Valve stem seriously damaged (5.2.3 (j)) | 4 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Nearside Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 4 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 4 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 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 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 4 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 4 |
| Central Rear Upper Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 3 |
| Offside Front Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Nearside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Front Suspension arm pin or bush excessively worn rear bush |5.3.4 |a| |i|| | 3 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Bonnet primary retaining device excessively deteriorated (3.1 (c)) | 3 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 3 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour |8.2.2.2 |d|| | 3 |
| Offside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 3 |
| Centre Stop lamp not working |1.2.1b| | 3 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Offside Front Position lamp not working |4.2.1 |a|| | 3 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Nearside Front Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Nearside Front Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 3 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Emissions not tested (8.2.2.2 (e)) | 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 Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Exhaust diesel particulate filter shows evidence of tampering. (8.2.2.1 (c)) | 3 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Central Rear Seat belt retracting mechanism defective (7.1.2 (e)) | 3 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 3 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 3 |
| Rear parking brake recording little or no effort | 3 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3 |
| Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 3 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Power steering pipe/hose leaking |2.1.5 |a|| | 3 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 3 |