| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4102 |
| Windscreen wiper does not clear the windscreen effectively | 3954 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 1543 |
| Front brake disc in such a condition that it is seriously weakened | 801 |
| Registration plate lamp issues | 752 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 736 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 717 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 617 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 616 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 612 |
| Brake pipe excessively corroded | 568 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 520 |
| Brakes imbalanced across an axle | 515 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 465 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 441 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 432 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 389 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 385 |
| Registration plate issues | 379 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 374 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 366 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 349 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 335 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 333 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 292 |
| Windscreen washer not working | 285 |
| Indicator switch inoperative (4.4.2 (a) (ii)) | 277 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 271 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 271 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 269 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 260 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 260 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 257 |
| All direction indicators not working (4.4.1 (a) (ii)) | 249 |
| Hazard warning switch faulty |1.4.B.1d| | 237 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 231 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 217 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 205 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 204 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 204 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 189 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 171 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 170 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 161 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 156 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 152 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 148 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 141 |
| Horn not working (7.7 (a)) | 138 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 130 |
| Rear Exhaust system insecure (6.1.2 (a)) | 129 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 129 |
| Emissions unable to be completed (8.2.1.2 (d)) | 124 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 121 |
| Front brake excessively fluctuating | 119 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 119 |
| Offside Rear Shock absorbers has a serious fluid leak | 117 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 115 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 113 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 110 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 100 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 97 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 94 |
| Exhaust system insecure (6.1.2 (a)) | 93 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 91 |
| Hazard warning lamps inoperative |1.4.B.1b| | 89 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 88 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 87 |