| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 4941 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 2844 |
| Headlamp aim out of alignment | 2728 |
| Brake pipe excessively corroded | 1621 |
| Registration plate lamp issues | 1410 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1210 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1139 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 784 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 708 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 577 |
| Windscreen washer not working | 521 |
| Brakes imbalanced across an axle | 485 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 459 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 424 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 407 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 389 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 340 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 334 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 279 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 246 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 237 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 230 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 227 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 224 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 218 |
| Rear brake disc in such a condition that it is seriously weakened | 204 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 199 |
| Registration plate issues | 199 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 190 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 186 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 171 |
| Front brake disc in such a condition that it is seriously weakened | 169 |
| Offside Front Seat belt webbing significantly weakened (7.1.2 (b) (ii)) | 159 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 156 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 154 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 147 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 147 |
| Offside Front Position lamp not working |4.2.1 |a|| | 136 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 120 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 120 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 117 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 117 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 113 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 110 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 106 |
| Brake hose excessively deteriorated | 103 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 95 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 95 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 94 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 90 |
| Parking brake: efficiency below requirements |3.7.B.7| | 82 |
| Anti-lock braking system warning lamp indicates an ABS fault | 82 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 82 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 80 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 79 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 79 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 78 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 78 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 76 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 75 |
| Offside Front Shock absorbers has a serious fluid leak | 66 |