| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 5367 |
| Headlamp aim out of alignment | 5059 |
| Brake pipe excessively corroded | 4121 |
| Registration plate lamp issues | 3571 |
| Brakes imbalanced across an axle | 1005 |
| Front brake disc in such a condition that it is seriously weakened | 975 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 806 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 801 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 741 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 710 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 678 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 432 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 417 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 406 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 379 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 369 |
| Registration plate issues | 339 |
| Windscreen washer not working | 318 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 304 |
| Rear brake binding | 291 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 270 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 248 |
| Front brake excessively fluctuating | 239 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 218 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 215 |
| Hazard warning switch faulty |1.4.B.1d| | 212 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 211 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 205 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 204 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 203 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 202 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 199 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 193 |
| Emissions not tested (8.2.1.2 (d)) | 183 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 178 |
| Offside Front Position lamp not working |4.2.1 |a|| | 176 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 172 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 167 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 165 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 165 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 165 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 163 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 162 |
| Nearside Front Road wheel bead rim badly distorted |4.2.A.1a| | 162 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 161 |
| Nearside Stop lamp not working |1.2.1b| | 157 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 151 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 149 |
| Offside Front Macpherson strut corroded and seriously weakened (5.3.3 (b) (i)) | 140 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 140 |
| Offside Stop lamp not working |1.2.1b| | 139 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 134 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 133 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 132 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 129 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 128 |
| Parking brake: efficiency below requirements |3.7.B.7| | 126 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 126 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 123 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 120 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 119 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 117 |
| Rear Exhaust system not adequately supported |7.1.1| | 114 |
| Windscreen wiper blade insecure | 113 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 112 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 112 |
| Rear Exhaust system insecure (6.1.2 (a)) | 111 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 110 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 110 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 105 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 105 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 101 |
| All direction indicators not working (4.4.1 (a) (ii)) | 101 |
| Front brake application uneven | 100 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 98 |
| Rear parking brake recording little or no effort | 98 |
| Indicator switch inoperative (4.4.2 (a) (ii)) | 97 |