| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 11182 |
| Windscreen wiper does not clear the windscreen effectively | 8919 |
| Headlamp aim out of alignment | 8612 |
| Brake pipe excessively corroded | 6715 |
| Brakes imbalanced across an axle | 2217 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1884 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 1822 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1813 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1796 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1741 |
| Front brake disc in such a condition that it is seriously weakened | 1617 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1602 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1486 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1469 |
| Offside Stop lamp not working |1.2.1b| | 1402 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1394 |
| Nearside Stop lamp not working |1.2.1b| | 1292 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 1250 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1201 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 1195 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 1104 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 987 |
| Rear brake binding | 984 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 954 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 946 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 922 |
| Horn not working |1.6.2a| | 913 |
| Registration plate issues | 815 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 804 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 791 |
| Hazard warning switch faulty |1.4.B.1d| | 760 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 733 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 680 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 673 |
| Parking brake: efficiency below requirements |3.7.B.7| | 664 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 642 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 604 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 591 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 577 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 538 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 528 |
| Offside Rear Stop lamp not working |1.2.1b| | 526 |
| Nearside Rear Stop lamp not working |1.2.1b| | 511 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 499 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 482 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 479 |
| Horn not working (7.7 (a)) | 474 |
| Windscreen washer not working | 466 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 450 |
| Rear parking brake recording little or no effort | 435 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 422 |
| Offside Front Position lamp not working |4.2.1 |a|| | 422 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 404 |
| Anti-lock braking system warning lamp indicates an ABS fault | 402 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 377 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 376 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 363 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 363 |
| Hazard warning lamps inoperative |1.4.B.1b| | 355 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 346 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 346 |
| Offside Rear Shock absorbers has a serious fluid leak | 339 |
| Emissions not tested (8.2.1.2 (d)) | 335 |
| Offside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 331 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 329 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 324 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 321 |
| Rear Exhaust system not adequately supported |7.1.1| | 316 |
| Nearside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 304 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 288 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 280 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 276 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 266 |
| Front brake excessively fluctuating | 265 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 265 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 263 |
| Horn not working (7.7 (a) (ii)) | 262 |
| Nearside Front Road wheel bead rim badly distorted |4.2.A.1a| | 257 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 255 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 252 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 250 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 249 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 246 |
| Offside Front Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 245 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 240 |
| Nearside Rear Shock absorbers has a serious fluid leak | 239 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 237 |
| All direction indicators not working (4.4.1 (a) (ii)) | 236 |
| Nearside Front Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 231 |
| Front brake application uneven | 230 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 224 |
| Windscreen wiper blade insecure | 224 |
| Nearside Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 221 |
| Indicator switch faulty |1.4.A.1| | 218 |
| Parking brake lever has no reserve travel |3.1.6b| | 215 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 209 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 209 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 207 |