| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 219 |
| Headlamp aim out of alignment | 198 |
| Windscreen wiper does not clear the windscreen effectively | 141 |
| Registration plate issues | 82 |
| Parking brake: efficiency below requirements |3.7.B.7| | 77 |
| Registration plate lamp issues | 54 |
| Rear parking brake recording little or no effort | 51 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 50 |
| Anti-lock braking system warning lamp indicates an ABS fault | 47 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 46 |
| Brake hose excessively deteriorated | 38 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 37 |
| Nearside Stop lamp not working |1.2.1b| | 33 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 32 |
| Offside Rear fog lamp not working |1.3.2b| | 31 |
| Nearside Rear Stop lamp not working |1.2.1b| | 31 |
| Offside Stop lamp not working |1.2.1b| | 29 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 28 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 28 |
| Brakes imbalanced across an axle | 26 |
| Parking brake lever has no reserve travel |3.1.6b| | 23 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 21 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 20 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 20 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 20 |
| Offside Front coil spring fractured |2.4.C.1a| | 19 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 18 |
| Horn not working |1.6.2a| | 17 |
| Rear fog lamp not working |1.3.2b| | 16 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 16 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 15 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 15 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 14 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 14 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 14 |
| Front brake disc in such a condition that it is seriously weakened | 14 |
| Offside Rear coil spring fractured |2.4.C.1a| | 13 |
| Windscreen has damage | 13 |
| Rear brake binding | 13 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 13 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Nearside Side repeater not working |1.4.A.2c| | 12 |
| Rear fog lamp tell tale not working |1.3.1b| | 12 |
| Service brake: efficiency below requirements |3.7.B.7| | 12 |
| Nearside Front coil spring fractured |2.4.C.1a| | 12 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 11 |
| Nearside Headlamp not working on main beam |1.7.5a| | 11 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 11 |
| Emissions not tested |7.0| | 11 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 11 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 10 |
| Windscreen washer not working | 10 |
| Offside Front coil spring broken |2.4.C.1a| | 10 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 10 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 10 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 10 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 10 |
| Offside Rear Stop lamp not working |1.2.1b| | 9 |
| Power steering component|s| leaking |2.3.3b| | 9 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 9 |
| Direction indicators not working |1.4.A.2c| | 9 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 9 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 9 |
| Offside Side repeater not working |1.4.A.2c| | 9 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 8 |
| Steering box has a significant oil leak |2.2.D.2e| | 8 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 8 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 8 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 8 |
| Rear Exhaust system not adequately supported |7.1.1| | 8 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Offside front brake binding |3.7.B.1| | 8 |
| Offside Front Headlamp aim beam image kick up to the offside |1.8| | 8 |
| Front brake application uneven | 8 |
| Nearside Rear Seat belt retracting mechanism defective |5.2.5b| | 7 |
| Battery insecure |1.9.1| | 7 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Offside Headlamp not working on main beam |1.7.5a| | 7 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 7 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 7 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 7 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 7 |
| Offside Inner Front Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 7 |
| Exhaust system not adequately supported |7.1.1| | 7 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 7 |
| Offside Inner Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 6 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 6 |
| Nearside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 6 |
| Offside Front Direction indicator not working |1.4.A.2c| | 6 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Hazard warning switch faulty |1.4.B.1d| | 6 |
| Offside Front Inner Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Offside Front coil spring incomplete |2.4.C.1a| | 6 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 6 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Nearside Steering pivot point has excessive play |2.2.B.1g| | 6 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 6 |
| Nearside Front coil spring broken |2.4.C.1a| | 5 |
| Nearside Front Side repeater not working |1.4.A.2c| | 5 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 5 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 5 |
| Nearside Front Steering pivot point has excessive play |2.2.B.1g| | 5 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 5 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 5 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Rear brake disc in such a condition that it is seriously weakened | 5 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 5 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 5 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 5 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Offside Front coil spring cracked |2.4.C.1a| | 5 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 5 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 5 |