| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 10604 |
| Windscreen wiper does not clear the windscreen effectively | 8411 |
| Headlamp aim out of alignment | 7990 |
| Brake pipe excessively corroded | 5834 |
| Brakes imbalanced across an axle | 1850 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 1822 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1741 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1602 |
| Front brake disc in such a condition that it is seriously weakened | 1546 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1486 |
| Offside Stop lamp not working |1.2.1b| | 1402 |
| Nearside Stop lamp not working |1.2.1b| | 1292 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1232 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1163 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1097 |
| Rear brake binding | 983 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 954 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 915 |
| Horn not working |1.6.2a| | 913 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 851 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 791 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 786 |
| Hazard warning switch faulty |1.4.B.1d| | 760 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 743 |
| Registration plate issues | 743 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 733 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 728 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 726 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 680 |
| Parking brake: efficiency below requirements |3.7.B.7| | 664 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 591 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 584 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 579 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 577 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 553 |
| 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 Front Front position lamp|s| not working |1.1.A.3b| | 482 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 479 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 450 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 449 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 436 |
| Rear parking brake recording little or no effort | 435 |
| Offside Front Position lamp not working |4.2.1 |a|| | 422 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 417 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 410 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 404 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 377 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 363 |
| Hazard warning lamps inoperative |1.4.B.1b| | 355 |
| Windscreen washer not working | 351 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 346 |
| Emissions not tested (8.2.1.2 (d)) | 330 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 329 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 321 |
| Rear Exhaust system not adequately supported |7.1.1| | 316 |
| Anti-lock braking system warning lamp indicates an ABS fault | 312 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 309 |
| Offside Rear Shock absorbers has a serious fluid leak | 268 |
| Front brake excessively fluctuating | 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 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 254 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 249 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 248 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 240 |
| Front brake application uneven | 230 |
| Windscreen wiper blade insecure | 224 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 221 |
| Indicator switch faulty |1.4.A.1| | 218 |
| Offside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 216 |
| 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 |
| Battery insecure |1.9.1| | 206 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 205 |
| Nearside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 199 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 197 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 193 |
| Horn not working (7.7 (a)) | 190 |
| Exhaust system not adequately supported |7.1.1| | 183 |
| Nearside Rear Shock absorbers has a serious fluid leak | 182 |