| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7346 |
| Registration plate lamp issues | 7342 |
| Windscreen wiper does not clear the windscreen effectively | 7109 |
| Brake pipe excessively corroded | 3595 |
| Brakes imbalanced across an axle | 1853 |
| Rear brake binding | 1749 |
| Front brake disc in such a condition that it is seriously weakened | 1465 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1139 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1126 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 1058 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1048 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 1037 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 984 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 928 |
| Offside Stop lamp not working |1.2.1b| | 913 |
| Registration plate issues | 906 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 849 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 802 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 772 |
| Parking brake: efficiency below requirements |3.7.B.7| | 764 |
| Nearside Stop lamp not working |1.2.1b| | 719 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 710 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 674 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 595 |
| Rear parking brake recording little or no effort | 532 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 508 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 456 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 439 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 418 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 401 |
| Offside Rear Stop lamp not working |1.2.1b| | 398 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 393 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 387 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 383 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 382 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 358 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 347 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 332 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 332 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 325 |
| Offside Front Position lamp not working |4.2.1 |a|| | 324 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 320 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 319 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 307 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 304 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 303 |
| Front brake excessively fluctuating | 296 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 296 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 287 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 284 |
| Nearside Rear Stop lamp not working |1.2.1b| | 283 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 281 |
| Emissions not tested (8.2.1.2 (d)) | 278 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 272 |
| Windscreen washer not working | 254 |
| Parking brake lever has no reserve travel |3.1.6b| | 253 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 251 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 250 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 250 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 245 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 243 |
| Rear Exhaust system not adequately supported |7.1.1| | 243 |
| Rear Mechanical brake component has restricted free movement | 240 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 239 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 237 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 235 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 230 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 228 |
| Hazard warning switch faulty |1.4.B.1d| | 224 |
| Front brake application uneven | 223 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 212 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 211 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 207 |
| Anti-lock braking system warning lamp indicates an ABS fault | 200 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 197 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 196 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 190 |
| Rear brake application uneven | 185 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 177 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 176 |
| Windscreen wiper blade insecure | 167 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 165 |
| Indicator switch faulty |1.4.A.1| | 164 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 163 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 163 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 157 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 156 |
| Nearside Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 152 |
| Exhaust system not adequately supported |7.1.1| | 152 |
| Horn not working |1.6.2a| | 150 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 150 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 148 |
| Nearside Front Road wheel bead rim badly distorted |4.2.A.1a| | 147 |
| Offside Rear Shock absorbers has a serious fluid leak | 144 |
| Offside Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 144 |