| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 7214 |
| Windscreen wiper does not clear the windscreen effectively | 5061 |
| Headlamp aim out of alignment | 4831 |
| Brake pipe excessively corroded | 4309 |
| Brakes imbalanced across an axle | 1212 |
| Front brake disc in such a condition that it is seriously weakened | 1114 |
| Offside Stop lamp not working |1.2.1b| | 970 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 958 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 946 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 929 |
| Nearside Stop lamp not working |1.2.1b| | 889 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 806 |
| Rear brake binding | 795 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 756 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 679 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 678 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 658 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 619 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 580 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 526 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 508 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 505 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 491 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 477 |
| Registration plate issues | 465 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 445 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 379 |
| Parking brake: efficiency below requirements |3.7.B.7| | 377 |
| Hazard warning switch faulty |1.4.B.1d| | 375 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 361 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 357 |
| Offside Rear Stop lamp not working |1.2.1b| | 351 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 350 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 323 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 307 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 306 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 304 |
| Nearside Rear Stop lamp not working |1.2.1b| | 301 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 296 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 293 |
| Rear parking brake recording little or no effort | 281 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 273 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 271 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 266 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 263 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 254 |
| Offside Front Position lamp not working |4.2.1 |a|| | 249 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 246 |
| Horn not working |1.6.2a| | 240 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 240 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 239 |
| Windscreen washer not working | 234 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 232 |
| Rear Exhaust system not adequately supported |7.1.1| | 231 |
| Emissions not tested (8.2.1.2 (d)) | 230 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 210 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 204 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 200 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 195 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 188 |
| Nearside Front Road wheel bead rim badly distorted |4.2.A.1a| | 186 |
| Hazard warning lamps inoperative |1.4.B.1b| | 177 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 174 |
| Front brake excessively fluctuating | 171 |
| Offside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 168 |
| Parking brake lever has no reserve travel |3.1.6b| | 166 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 161 |
| Anti-lock braking system warning lamp indicates an ABS fault | 161 |
| Front brake application uneven | 158 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 158 |
| Nearside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 150 |
| Indicator switch faulty |1.4.A.1| | 149 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 148 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 147 |
| Offside Rear Shock absorbers has a serious fluid leak | 145 |
| Windscreen wiper blade insecure | 143 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 141 |
| Exhaust system not adequately supported |7.1.1| | 141 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 136 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 127 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 124 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 124 |
| Nearside Rear Shock absorbers has a serious fluid leak | 122 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 121 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 119 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 118 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 117 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 114 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 114 |
| Offside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 113 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 111 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 110 |
| Electronic power steering warning lamp indicates a failure in the system |2.3.8| | 110 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 109 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 109 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 108 |
| Nearside Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 108 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 107 |