| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 106 |
| Headlamp aim out of alignment | 65 |
| Brake pipe excessively corroded | 54 |
| Registration plate lamp issues | 29 |
| Registration plate issues | 25 |
| Brakes imbalanced across an axle | 15 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 11 |
| Parking brake lever has no reserve travel |3.1.6b| | 9 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 9 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 8 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 8 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Rear fog lamp not working |1.3.2b| | 7 |
| Rear brake disc in such a condition that it is seriously weakened | 7 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Windscreen washer not working | 6 |
| Windscreen has damage | 6 |
| Parking brake: efficiency below requirements |3.7.B.7| | 6 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 6 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Front brake application uneven | 5 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 5 |
| Emissions not tested (8.2.2.2 (e)) | 4 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 4 |
| Front brake excessively fluctuating | 4 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 4 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 4 |
| Nearside Front Shock absorbers has a serious fluid leak | 4 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 4 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Rear parking brake recording little or no effort | 4 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside front brake binding |3.7.B.1| | 4 |
| Nearside Rear Shock absorbers has a serious fluid leak | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Nearside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 3 |
| Offside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 3 |
| Offside Front Position lamp not working |4.2.1 |a|| | 3 |
| Nearside Rear Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Offside Rear Valve stem seriously damaged (5.2.3 (j)) | 3 |
| Nearside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Trailer electrical socket |13 pin| not operating the trailer lamps as intended |1.9.4| | 3 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |
| Brake performance not tested (1.2.1 (g)) | 3 |
| Rear brake binding | 3 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 2 |
| Offside Front coil spring broken |2.4.C.1a| | 2 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Offside rear brake excessively fluctuating |3.7.B.3| | 2 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 2 |
| Horn not working |1.6.2a| | 2 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Nearside Front Outer Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Outer Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Brake pedal spongy |3.3.B.1b| | 2 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 2 |
| Exhaust has a major leak of exhaust gases silencer (6.1.2 (a)) | 2 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 2 |
| Nearside Rear Inner Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Rear Inner Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Track rod end ball joint has excessive play Inner Ball Joint |2.2.B.1f| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Rear Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 2 |
| Offside Rear fog lamp not working |1.3.2b| | 2 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Rear Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Rear Seat belt damaged sufficient to significantly weakened the webbing |5.2.2a| | 2 |
| Nearside Rear Hydraulic brake cylinder leaking hydraulic fluid (1.1.16 (b) (i)) | 2 |
| Nearside Rear Lower Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Rear Lower Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 2 |
| Nearside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front front brake binding |3.7.B.1| | 2 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 2 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 2 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 2 |
| Headlamp aim out of alignment | 2 |
| Brake pipe excessively corroded | 2 |