| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 468 |
| Windscreen wiper does not clear the windscreen effectively | 415 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 248 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 233 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 223 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 213 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 198 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 180 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 160 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 144 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 130 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 118 |
| Rear brake disc in such a condition that it is seriously weakened | 111 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 111 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 105 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 96 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 95 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 88 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 85 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 81 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 77 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 69 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 55 |
| Registration plate issues | 54 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 50 |
| Brakes imbalanced across an axle | 48 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 43 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 42 |
| Windscreen washer not working | 40 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 39 |
| Registration plate lamp issues | 32 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 31 |
| Nearside Front Headlamp aim unable to be tested (4.1.2 (b)) | 30 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 29 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 29 |
| Rear Service brake excessively fluctuating (1.2.1 (e)) | 27 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 25 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 25 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 25 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 24 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 22 |
| Offside Rear Shock absorbers has a serious fluid leak | 22 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 22 |
| Offside Rear Inner Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 21 |
| Front brake disc in such a condition that it is seriously weakened | 21 |
| Offside Headlamp aim unable to be tested (4.1.2 (b)) | 21 |
| Nearside Headlamp aim unable to be tested (4.1.2 (b)) | 21 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 18 |
| Offside Front Headlamp aim unable to be tested (4.1.2 (b)) | 18 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 17 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 17 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 16 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 14 |
| Anti-lock braking system warning lamp indicates an ABS fault | 13 |
| Emissions unable to be completed (8.2.1.2 (d)) | 12 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 12 |