| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3387 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1005 |
| Windscreen wiper does not clear the windscreen effectively | 953 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 740 |
| Registration plate issues | 716 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 696 |
| Offside Front Shock absorbers has a serious fluid leak | 591 |
| Registration plate lamp issues | 546 |
| Nearside Front Shock absorbers has a serious fluid leak | 525 |
| Windscreen washer not working | 401 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 377 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 376 |
| Anti-lock braking system warning lamp indicates an ABS fault | 331 |
| Offside Rear Shock absorbers has a serious fluid leak | 270 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 255 |
| Nearside Rear Shock absorbers has a serious fluid leak | 226 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 209 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 196 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 171 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 170 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 166 |
| Brakes imbalanced across an axle | 166 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 165 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 152 |
| Rear brake disc in such a condition that it is seriously weakened | 151 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 150 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 148 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 143 |
| Parking brake: efficiency below requirements |3.7.B.7| | 141 |
| Front brake disc in such a condition that it is seriously weakened | 137 |
| Brake pipe excessively corroded | 137 |
| Brake hose excessively deteriorated | 134 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 129 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 129 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 120 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 110 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 106 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 104 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 103 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 101 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 99 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 97 |
| Windscreen has damage | 94 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 89 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 87 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 86 |
| Emissions not tested (8.2.1.2 (d)) | 84 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 83 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 82 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 78 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 78 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 77 |
| Rear brake binding | 75 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 74 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 72 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 71 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 71 |
| Rear parking brake recording little or no effort | 71 |
| Nearside Rear Upper Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 70 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 68 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 68 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 68 |
| Nearside Side repeater not working |1.4.A.2c| | 67 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 67 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 64 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 63 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 63 |
| Offside Rear Upper Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 62 |
| Bonnet cannot be secured in the closed position |8.4.1| | 60 |
| Bonnet cannot be secured in the closed position (3.1 (b) (i)) | 60 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 60 |
| Nearside Stop lamp not working |1.2.1b| | 58 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 57 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 56 |