| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5085 |
| Windscreen wiper does not clear the windscreen effectively | 4721 |
| Brake pipe excessively corroded | 2446 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1639 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1455 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 1451 |
| Registration plate lamp issues | 1021 |
| Front brake disc in such a condition that it is seriously weakened | 1006 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 832 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 824 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 744 |
| Brakes imbalanced across an axle | 727 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 648 |
| Registration plate issues | 560 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 530 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 505 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 491 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 448 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 441 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 441 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 397 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 389 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 385 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 380 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 380 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 380 |
| Windscreen washer not working | 357 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 353 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 343 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 341 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 334 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 293 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 280 |
| Hazard warning switch faulty |1.4.B.1d| | 270 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 266 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 263 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 254 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 246 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 239 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 237 |
| Indicator switch inoperative (4.4.2 (a) (ii)) | 233 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 212 |
| All direction indicators not working (4.4.1 (a) (ii)) | 211 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 184 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 181 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 178 |
| Front brake excessively fluctuating | 176 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 176 |
| Horn not working (7.7 (a)) | 174 |
| Offside Front Position lamp not working |4.2.1 |a|| | 169 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 163 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 163 |
| Rear Exhaust system insecure (6.1.2 (a)) | 154 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 153 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 151 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 145 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 141 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 139 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 134 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 132 |
| Emissions unable to be completed (8.2.1.2 (d)) | 125 |
| Offside Front Macpherson strut corroded and seriously weakened (5.3.3 (b) (i)) | 124 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 123 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 123 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 121 |
| Offside Rear Shock absorbers has a serious fluid leak | 116 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 116 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 111 |
| Emissions not tested (8.2.1.2 (d)) | 111 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 111 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 109 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 108 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 108 |
| Hazard warning lamps inoperative |1.4.B.1b| | 102 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 101 |