| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 2962 |
| Headlamp aim out of alignment | 1337 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 613 |
| Windscreen washer not working | 494 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 374 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 255 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 228 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 180 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 161 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 148 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 145 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 128 |
| Fuel pipe insecure (6.1.3 (a) (i)) | 123 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 117 |
| Registration plate issues | 106 |
| Brakes imbalanced across an axle | 102 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 94 |
| Brake pipe excessively corroded | 92 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 77 |
| Reversing lamp inoperative (4.6.1 (a)) | 69 |
| Registration plate lamp issues | 66 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 66 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 63 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 62 |
| Rear brake disc in such a condition that it is seriously weakened | 61 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 55 |
| Rear Fuel pipe insecure (6.1.3 (a) (i)) | 54 |
| Offside Rear Hydraulic brake calliper leaking (1.1.16 (b) (i)) | 48 |
| Nearside Rear Fuel pipe insecure (6.1.3 (a) (i)) | 48 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 46 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 46 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 42 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 41 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 37 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 37 |
| Central Fuel pipe insecure (6.1.3 (a) (i)) | 37 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 35 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 35 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 34 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 34 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 34 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 33 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 33 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 32 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 30 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 30 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 29 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 29 |
| Central Rear Seat belt retracting mechanism defective (7.1.2 (e)) | 28 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 27 |