| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 194 |
| Brake pipe excessively corroded | 132 |
| Windscreen wiper does not clear the windscreen effectively | 91 |
| Parking brake: efficiency below requirements |3.7.B.7| | 62 |
| Registration plate issues | 45 |
| Brake hose excessively deteriorated | 43 |
| Parking brake: efficiency below requirements (3.7.B.7) | 34 |
| Registration plate lamp issues | 34 |
| Rear parking brake recording little or no effort | 32 |
| Anti-lock braking system warning lamp indicates an ABS fault | 28 |
| Offside Stop lamp not working |1.2.1b| | 22 |
| Parking brake lever has no reserve travel |3.1.6b| | 22 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 20 |
| Brakes imbalanced across an axle | 17 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 17 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.3) | 16 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 15 |
| Parking brake lever has no reserve travel (3.1.6b) | 15 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 13 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 13 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 13 |
| Offside Rear fog lamp not working |1.3.2b| | 12 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 12 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 12 |
| Offside Stop lamp not working (1.2.1b) | 11 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 11 |
| Nearside Stop lamp not working |1.2.1b| | 11 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 10 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 10 |
| Offside Rear fog lamp not working (1.3.2b) | 10 |
| Service brake: efficiency below requirements |3.7.B.7| | 10 |
| Windscreen has damage | 10 |
| Rear fog lamp not working |1.3.2b| | 10 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Offside Front Direction indicator incorrect colour (1.4.A.2f) | 9 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Rear fog lamp tell tale not working |1.3.1b| | 9 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 8 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 8 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3) | 8 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 8 |
| Rear brake binding | 8 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 8 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 8 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 8 |
| Offside Rear position lamp(s) not working (1.1.A.3b) | 8 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 8 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 8 |
| Offside Front position lamp(s) not working (1.1.A.3b) | 8 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 7 |
| Service brake: efficiency below requirements (3.7.B.7) | 7 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive (7.3.D.3) | 7 |
| Bonnet cannot be secured in the closed position |8.4.1| | 7 |
| Nearside Front position lamp(s) not working (1.1.A.3b) | 7 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Exhaust emissions carbon monoxide content at idle excessive (7.3.D.4) | 7 |
| Centre Exhaust system not adequately supported |7.1.1| | 7 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Nearside Rear Stop lamp not working |1.2.1b| | 7 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 6 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 6 |
| Horn not working (1.6.2a) | 6 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Nearside Front Direction indicator incorrect colour (1.4.A.2f) | 6 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 6 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 6 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 6 |
| Windscreen washer not working | 6 |
| Rear fog lamp not working (1.3.2b) | 6 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 5 |
| Offside Front coil spring broken (2.4.C.1a) | 5 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Horn not working |1.6.2a| | 5 |
| Exhaust system not adequately supported |7.1.1| | 5 |
| Windscreen wiper not working (3.4 (a)) | 5 |
| Direction indicators not working (1.4.A.2c) | 5 |
| Nearside Stop lamp not working (1.2.1b) | 5 |
| Rear fog lamp tell tale not working (1.3.1b) | 5 |
| Nearside Side repeater not working |1.4.A.2c| | 5 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 5 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 5 |
| Offside Front coil spring broken |2.4.C.1a| | 4 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 4 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 4 |
| Rear Rear fog lamp not working |1.3.2b| | 4 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Hazard warning lamps inoperative |1.4.B.1b| | 4 |
| Offside Track rod end ball joint has excessive play (2.2.B.1f) | 4 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 4 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Emissions not tested (7.0) | 4 |
| Nearside Front wheel bearing has excessive play (2.5.A.3c) | 4 |
| Offside Front wheel bearing has excessive play (2.5.A.3c) | 4 |
| Nearside Front suspension has excessive play in a lower suspension ball joint (2.5.B.1a) | 4 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |