| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 67 |
| Windscreen wiper does not clear the windscreen effectively | 39 |
| Parking brake: efficiency below requirements |3.7.B.7| | 27 |
| Headlamp aim out of alignment | 25 |
| Brake pipe excessively corroded | 22 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 19 |
| Rear parking brake recording little or no effort | 19 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 12 |
| Nearside Stop lamp not working |1.2.1b| | 10 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Rear fog lamp not working |1.3.2b| | 8 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 7 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 7 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 6 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 5 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Brakes imbalanced across an axle | 5 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Rear brake disc in such a condition that it is seriously weakened | 5 |
| Offside Rear Stop lamp not working |1.2.1b| | 5 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 5 |
| Offside Stop lamp not working |1.2.1b| | 5 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 4 |
| Registration plate issues | 4 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 4 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 4 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Rear brake binding | 4 |
| Offside Front Position lamp not working |4.2.1 |a|| | 4 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 4 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 4 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 4 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 4 |
| Nearside Rear Stop lamp not working |1.2.1b| | 4 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 4 |
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Nearside Rear coil spring broken |2.4.C.1a| | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 3 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 3 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 3 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Rear fog lamp tell tale not working |1.3.1b| | 3 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 3 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 3 |
| Fuel tank leaking (6.1.3 (b) (i)) | 3 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Central Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Windscreen washer not working | 2 |
| Trailer electrical socket insecure |1.9.3a| | 2 |
| Windscreen wiper not working (3.4 (a)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Emissions not tested |8.2.2.2 |e|| | 2 |
| Brake pedal spongy |3.3.B.1b| | 2 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 2 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Anti-lock braking system warning lamp indicates an ABS fault | 2 |
| Rear Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Rear Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 2 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 2 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 2 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 2 |
| Offside Rear fog lamp not working |1.3.2b| | 2 |
| Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Offside Front Anti-roll bar linkage insecure and impairing directional stability (5.3.3 (a) (ii)) | 2 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 2 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Reversing lamp inoperative (4.6.1 (a)) | 2 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |
| Nearside Front Steering rack gaiter insecure |2.2.D.2d| | 2 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Battery insecure |1.9.1| | 2 |
| Power steering component leaking steering rack leaking (2.1.5 (a)) | 2 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 2 |
| Nearside Rear Brake hose leaking |3.6.A.1| | 2 |