| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 925 |
| Windscreen wiper does not clear the windscreen effectively | 342 |
| Registration plate issues | 271 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 223 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 155 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 141 |
| Windscreen washer not working | 141 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 114 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 104 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 89 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 86 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 82 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 80 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 77 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 70 |
| Offside Front Lower Suspension arm pin or bush excessively worn rear arm (5.3.4 (a) (i)) | 50 |
| Brakes imbalanced across an axle | 42 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 42 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 41 |
| Nearside Front Lower Suspension arm pin or bush excessively worn rear arm (5.3.4 (a) (i)) | 39 |
| Brake pipe excessively corroded | 38 |
| Emissions not tested (8.2.2.2 (e)) | 35 |
| Offside Front Lower Suspension arm pin or bush excessively worn rear (5.3.4 (a) (i)) | 35 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 33 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 33 |
| Rear brake disc in such a condition that it is seriously weakened | 33 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 32 |
| Offside Front Suspension arm pin or bush excessively worn rear arm (5.3.4 (a) (i)) | 31 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 31 |
| Nearside Front Suspension arm pin or bush excessively worn rear arm (5.3.4 (a) (i)) | 30 |
| Nearside Side repeater not working |1.4.A.2c| | 30 |
| Windscreen has damage | 29 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 29 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 28 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 26 |
| Nearside Front Lower Suspension arm pin or bush excessively worn rear (5.3.4 (a) (i)) | 26 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 23 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 23 |
| Brake performance not tested (1.2.1 (g)) | 23 |
| Offside Side repeater not working |4.4.1 |a| |ii|| | 22 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 22 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 22 |
| Offside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 22 |
| Front brake disc in such a condition that it is seriously weakened | 22 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 21 |
| Offside Front Lower Suspension arm pin or bush excessively worn rear arm inner bush (5.3.4 (a) (i)) | 21 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 21 |
| Offside Front Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 21 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 21 |
| Offside Front Inner Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 21 |
| Offside Side repeater not working |1.4.A.2c| | 21 |
| Fuel cap/sealing device missing (6.1.3 (b) (i)) | 21 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 20 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 19 |
| Nearside Front Lower Suspension arm pin or bush excessively worn rear arm inner bush (5.3.4 (a) (i)) | 19 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 19 |
| Registration plate lamp issues | 19 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 19 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 19 |
| Nearside Front Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 18 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 18 |
| Anti-lock braking system warning lamp indicates an ABS fault | 18 |
| Nearside Front Inner Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 18 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 18 |