| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 2127 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 675 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 662 |
| Windscreen wiper does not clear the windscreen effectively | 641 |
| Registration plate issues | 458 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 378 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 368 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 299 |
| Windscreen washer not working | 206 |
| Registration plate lamp issues | 188 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 176 |
| Offside Front Position lamp not working |4.2.1 |a|| | 173 |
| Offside Side repeater not working |1.4.A.2c| | 166 |
| Nearside Side repeater not working |1.4.A.2c| | 165 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 161 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 149 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 142 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 126 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 120 |
| Brakes imbalanced across an axle | 115 |
| Offside Side repeater not working |4.4.1 |a| |ii|| | 114 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 113 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 102 |
| Front brake disc in such a condition that it is seriously weakened | 100 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 97 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 91 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 88 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 85 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 83 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 81 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 79 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 77 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 73 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 69 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 68 |
| Anti-lock braking system warning lamp indicates an ABS fault | 66 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 65 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 64 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 63 |
| Nearside Rear Shock absorbers has a serious fluid leak | 60 |
| Nearside Front Shock absorbers has a serious fluid leak | 60 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 57 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 57 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 55 |
| Rear brake disc in such a condition that it is seriously weakened | 50 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 48 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 47 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 47 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 47 |
| Horn not working (7.7 (a)) | 44 |
| Offside Front Side repeater not working |1.4.A.2c| | 42 |
| Windscreen has damage | 42 |
| Offside Rear Shock absorbers has a serious fluid leak | 41 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 39 |
| Emissions not tested (8.2.1.2 (d)) | 38 |
| Nearside Front Side repeater not working |1.4.A.2c| | 36 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 36 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 35 |