| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1173 |
| Headlamp aim out of alignment | 391 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 213 |
| Brake pipe excessively corroded | 200 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 121 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 101 |
| Registration plate lamp issues | 93 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 81 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 75 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 69 |
| Parking brake lever has no reserve travel |3.1.6b| | 65 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 61 |
| Brakes imbalanced across an axle | 60 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 58 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 47 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 44 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 44 |
| Windscreen washer not working | 40 |
| Offside Rear Shock absorbers has a serious fluid leak | 38 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 37 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 37 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 33 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 31 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 30 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 26 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 25 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 24 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 24 |
| Front brake disc in such a condition that it is seriously weakened | 24 |
| Registration plate issues | 23 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 23 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 23 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 19 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 19 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 17 |
| Parking brake: efficiency below requirements |3.7.B.7| | 17 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 16 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 15 |
| Windscreen wiper blade insecure | 15 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 14 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 11 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 11 |
| Nearside Rear Shock absorbers has a serious fluid leak | 11 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 11 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 11 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 10 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 9 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 9 |