| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 481 |
| Brake pipe excessively corroded | 316 |
| Windscreen wiper does not clear the windscreen effectively | 277 |
| Parking brake: efficiency below requirements |3.7.B.7| | 217 |
| Registration plate issues | 151 |
| Registration plate lamp issues | 106 |
| Brake hose excessively deteriorated | 105 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 97 |
| Anti-lock braking system warning lamp indicates an ABS fault | 88 |
| Rear parking brake recording little or no effort | 63 |
| Nearside Stop lamp not working |1.2.1b| | 62 |
| Offside Stop lamp not working |1.2.1b| | 57 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 54 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 54 |
| Parking brake lever has no reserve travel |3.1.6b| | 53 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 52 |
| Offside Rear fog lamp not working |1.3.2b| | 51 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 43 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 39 |
| Brakes imbalanced across an axle | 35 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 35 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 35 |
| Service brake: efficiency below requirements |3.7.B.7| | 35 |
| Rear fog lamp tell tale not working |1.3.1b| | 33 |
| Rear fog lamp not working |1.3.2b| | 32 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 29 |
| Offside Rear Stop lamp not working |1.2.1b| | 29 |
| Nearside Rear Stop lamp not working |1.2.1b| | 28 |
| Centre Exhaust system not adequately supported |7.1.1| | 28 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 28 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 27 |
| Bonnet cannot be secured in the closed position |8.4.1| | 25 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 25 |
| Nearside Side repeater not working |1.4.A.2c| | 24 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 24 |
| Horn not working |1.6.2a| | 24 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 23 |
| Windscreen washer not working | 23 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 22 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 22 |
| Front brake disc in such a condition that it is seriously weakened | 21 |
| Windscreen has damage | 21 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 20 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 19 |
| Offside Front coil spring broken |2.4.C.1a| | 19 |
| Offside Front coil spring fractured |2.4.C.1a| | 18 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 18 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 18 |
| Exhaust system not adequately supported |7.1.1| | 18 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 17 |
| Front Exhaust system not adequately supported |7.1.1| | 17 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 16 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 16 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 16 |
| Nearside Front coil spring broken |2.4.C.1a| | 15 |
| Rear brake disc in such a condition that it is seriously weakened | 15 |
| Rear brake binding | 15 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 14 |
| Parking brake: efficiency below requirements (3.7.B.7) | 13 |
| Front Steering damper leaking oil |2.2.C.1f| | 13 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 13 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 13 |
| Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3| | 13 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 13 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 13 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Windscreen wiper not working (3.4 (a)) | 12 |
| Offside Inner Track rod end ball joint has excessive play |2.2.B.1f| | 12 |
| Horn not working (7.7 (a)) | 12 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 12 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 12 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Offside Side repeater not working |1.4.A.2c| | 12 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 12 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 11 |
| Battery insecure |1.9.1| | 11 |
| Direction indicators not working |1.4.A.2c| | 11 |
| Drivers seat fore and aft adjustment mechanism not functioning as intended. (6.2.5 (b) (i)) | 11 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 11 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 11 |
| Emissions not tested |7.0| | 11 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Nearside Front coil spring fractured |2.4.C.1a| | 11 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 10 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 10 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 10 |
| Offside Headlamp not working on main beam |1.7.5a| | 10 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 10 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 10 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 10 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 10 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 10 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 10 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 10 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 9 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 9 |
| Offside Front Direction indicator not working |1.4.A.2c| | 9 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 9 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 9 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 9 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 9 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 9 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 9 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 9 |
| Bonnet cannot be secured in the closed position (3.1 (b) (i)) | 9 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 9 |
| Exhaust emissions carbon monoxide content at idle excessive (7.3.D.4) | 9 |