| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 2983 |
| Windscreen wiper does not clear the windscreen effectively | 2857 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 737 |
| Front brake disc in such a condition that it is seriously weakened | 724 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 636 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 619 |
| Registration plate lamp issues | 519 |
| Brakes imbalanced across an axle | 464 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 404 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 394 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 391 |
| Brake pipe excessively corroded | 385 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 372 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 302 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 292 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 289 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 285 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 283 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 279 |
| Windscreen washer not working | 278 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 259 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 256 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 254 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 253 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 213 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 211 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 205 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 198 |
| Registration plate issues | 196 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 179 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 172 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 168 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 155 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 148 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 132 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 126 |
| Anti-lock braking system warning lamp indicates an ABS fault | 116 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 115 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 112 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 107 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 105 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 104 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 104 |
| Indicator switch inoperative (4.4.2 (a) (ii)) | 96 |
| Offside Rear Shock absorbers has a serious fluid leak | 89 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 89 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 88 |
| All direction indicators not working (4.4.1 (a) (ii)) | 82 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 79 |
| Rear Exhaust system insecure (6.1.2 (a)) | 74 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 73 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 70 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 69 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 68 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 67 |
| Front brake excessively fluctuating | 64 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 63 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 61 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 59 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 59 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 58 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 57 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 56 |