| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 512 |
| Registration plate lamp issues | 392 |
| Headlamp aim out of alignment | 388 |
| Brake pipe excessively corroded | 334 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 116 |
| Anti-lock braking system warning lamp indicates an ABS fault | 109 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 107 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 82 |
| Registration plate issues | 65 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 61 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 60 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 57 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 56 |
| Brakes imbalanced across an axle | 47 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 45 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 44 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 39 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 37 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 36 |
| Nearside Stop lamp not working |1.2.1b| | 36 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 35 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 35 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 33 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 33 |
| Rear brake binding | 33 |
| Rear brake disc in such a condition that it is seriously weakened | 33 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 31 |
| Offside Front Position lamp not working |4.2.1 |a|| | 30 |
| Emissions not tested (8.2.1.2 (d)) | 28 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 28 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 26 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 24 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 24 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 23 |
| Nearside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 23 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 23 |
| Windscreen washer not working | 22 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 22 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 21 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 21 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 21 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 20 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 20 |
| Front brake disc in such a condition that it is seriously weakened | 20 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 19 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 19 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 19 |
| Nearside Rear Stop lamp not working |1.2.1b| | 18 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 18 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 18 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 17 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 17 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Offside Stop lamp not working |1.2.1b| | 16 |
| Offside Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 16 |
| Battery insecure |1.9.1| | 15 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 14 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 14 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 14 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 14 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 13 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 13 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 13 |
| Parking brake lever has no reserve travel |3.1.6b| | 12 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 12 |
| Nearside Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 12 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 12 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 12 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 12 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 12 |
| Windscreen has damage | 11 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 11 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 11 |
| Brake hose excessively deteriorated | 11 |
| Rear fog lamp not working |1.3.2b| | 10 |
| Windscreen wiper blade insecure | 10 |
| Nearside Front Shock absorbers has a serious fluid leak | 10 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 10 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Offside Rear Stop lamp not working |1.2.1b| | 9 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 9 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 9 |
| Offside Front Shock absorbers has a serious fluid leak | 9 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 9 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 9 |