| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 2137 |
| Headlamp aim out of alignment | 917 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 740 |
| Windscreen washer not working | 609 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 254 |
| Registration plate lamp issues | 253 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 237 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 193 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 184 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 137 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 123 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 99 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 98 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 93 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 91 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 86 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 85 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 84 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 82 |
| Brakes imbalanced across an axle | 75 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 72 |
| Registration plate issues | 71 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 70 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 69 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 69 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 67 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 64 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 64 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 64 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 62 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 61 |
| Anti-lock braking system warning lamp indicates an ABS fault | 60 |
| Offside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 58 |
| Emissions unable to be completed (8.2.1.2 (d)) | 57 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 55 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 52 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 51 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 50 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 49 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 44 |
| Nearside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 43 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 40 |
| Rear brake disc in such a condition that it is seriously weakened | 38 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 35 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 34 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 34 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 33 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 33 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 32 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 32 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 32 |
| Emissions not tested (8.2.1.2 (d)) | 32 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 32 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 31 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 31 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 31 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 30 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 30 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 29 |
| Offside Front Upper Macpherson strut pin or bush excessively worn (5.3.4 (a) (i)) | 29 |