| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1239 |
| Headlamp aim out of alignment | 506 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 361 |
| Brake pipe excessively corroded | 361 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 254 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 193 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 183 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 167 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 157 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 152 |
| Registration plate lamp issues | 137 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 134 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 126 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 111 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 105 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 98 |
| Brakes imbalanced across an axle | 86 |
| Offside Rear Shock absorbers has a serious fluid leak | 82 |
| Windscreen washer not working | 70 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 67 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 58 |
| Nearside Rear Shock absorbers has a serious fluid leak | 54 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 53 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 50 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 48 |
| Registration plate issues | 47 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 46 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 45 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 44 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 42 |
| Parking brake lever has no reserve travel |3.1.6b| | 29 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 27 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 27 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 25 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 25 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 24 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 24 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 23 |
| Front brake disc in such a condition that it is seriously weakened | 23 |
| Brake hose excessively deteriorated | 23 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 21 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 20 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 19 |
| Parking brake: efficiency below requirements |3.7.B.7| | 19 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 18 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 17 |
| Offside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 16 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 16 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 16 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 15 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 15 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 15 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 15 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 14 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 14 |