| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 268 |
| Headlamp aim out of alignment | 205 |
| Brake pipe excessively corroded | 75 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 68 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 55 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 45 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 37 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 36 |
| Windscreen washer not working | 35 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 35 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 34 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 33 |
| Registration plate issues | 30 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 29 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 27 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 27 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 24 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 23 |
| Brakes imbalanced across an axle | 22 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 22 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 19 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 19 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 19 |
| Registration plate lamp issues | 19 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 17 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 12 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 12 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 12 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 11 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 11 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 10 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 10 |
| Anti-lock braking system warning lamp indicates an ABS fault | 10 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 10 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 9 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 8 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 8 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 8 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 8 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Emissions unable to be completed (8.2.1.2 (d)) | 7 |
| Reversing lamp inoperative (4.6.1 (a)) | 7 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 7 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 6 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 6 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 6 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Front Headlamp insecure (4.1.1 (c)) | 6 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 6 |
| Windscreen has damage | 6 |
| Nearside Stop lamp not working |1.2.1b| | 6 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 5 |
| Offside Headlamp light intensity severely reduced (4.1.4 (a)) | 5 |
| Offside Stop lamp not working |1.2.1b| | 5 |
| Nearside Front Headlamp light intensity severely reduced (4.1.4 (a)) | 5 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 5 |