| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8133 |
| Registration plate lamp issues | 7981 |
| Windscreen wiper does not clear the windscreen effectively | 7714 |
| Brake pipe excessively corroded | 4348 |
| Brakes imbalanced across an axle | 2307 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1907 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1807 |
| Rear brake binding | 1751 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1735 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 1716 |
| Front brake disc in such a condition that it is seriously weakened | 1570 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1472 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1319 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 1170 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 1058 |
| Registration plate issues | 1035 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 1009 |
| 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 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 849 |
| Parking brake: efficiency below requirements |3.7.B.7| | 764 |
| Nearside Stop lamp not working |1.2.1b| | 719 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 650 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 645 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 606 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 598 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 595 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 570 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 564 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 556 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 532 |
| Rear parking brake recording little or no effort | 532 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 519 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 508 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 501 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 493 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 456 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 439 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 439 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 437 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 423 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 418 |
| Offside Rear Stop lamp not working |1.2.1b| | 398 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 387 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 383 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 376 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 366 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 365 |
| Windscreen washer not working | 363 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 358 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 350 |
| 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 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 308 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 305 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 303 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 299 |
| Front brake excessively fluctuating | 296 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 289 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 287 |
| Emissions not tested (8.2.1.2 (d)) | 285 |
| 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 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 280 |
| Anti-lock braking system warning lamp indicates an ABS fault | 277 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 273 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 273 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 265 |
| Parking brake lever has no reserve travel |3.1.6b| | 253 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 251 |
| 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 |
| Nearside Rear Outer Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 249 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 249 |
| 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 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 239 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 237 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 232 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 231 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 230 |
| Hazard warning switch faulty |1.4.B.1d| | 224 |
| Front brake application uneven | 223 |
| Horn not working (7.7 (a)) | 217 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 214 |
| Offside Rear Outer Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 214 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 208 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 203 |
| Offside Rear Shock absorbers has a serious fluid leak | 199 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 199 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 195 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 194 |
| Rear brake application uneven | 185 |
| Emissions unable to be completed (8.2.1.2 (d)) | 183 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 183 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 177 |
| All direction indicators not working (4.4.1 (a) (ii)) | 174 |