| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 504 |
| Headlamp aim out of alignment | 399 |
| Registration plate lamp issues | 359 |
| Registration plate issues | 164 |
| Brake pipe excessively corroded | 128 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 109 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 103 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 68 |
| Nearside Stop lamp not working |1.2.1b| | 61 |
| Offside Stop lamp not working |1.2.1b| | 59 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 53 |
| Nearside Front coil spring broken |2.4.C.1a| | 47 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 47 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 42 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 41 |
| Brakes imbalanced across an axle | 39 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 37 |
| Parking brake: efficiency below requirements |3.7.B.7| | 36 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 36 |
| Offside Rear Stop lamp not working |1.2.1b| | 35 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 34 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 33 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 33 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 28 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 27 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 27 |
| Offside Front coil spring broken |2.4.C.1a| | 26 |
| Nearside Rear Stop lamp not working |1.2.1b| | 26 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 25 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 24 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 24 |
| Service brake: efficiency below requirements |3.7.B.7| | 24 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 23 |
| Anti-lock braking system warning lamp indicates an ABS fault | 21 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 21 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 21 |
| Windscreen has damage | 20 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 19 |
| Windscreen wiper blade insecure | 19 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 18 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 18 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 18 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 17 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 17 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 17 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 16 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 16 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 16 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 16 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 15 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 14 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 14 |
| Windscreen washer not working | 14 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 13 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 13 |
| Battery insecure |1.9.1| | 13 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 13 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 13 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 12 |
| Horn not working |1.6.2a| | 12 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 11 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 11 |
| Rear parking brake recording little or no effort | 11 |
| Parking brake lever has no reserve travel |3.1.6b| | 11 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 11 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 10 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 10 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 10 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 10 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 10 |
| Front brake disc in such a condition that it is seriously weakened | 10 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 10 |
| Offside Front Direction indicator not working |1.4.A.2c| | 10 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 10 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 10 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 9 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 9 |
| Front Exhaust system not adequately supported |7.1.1| | 9 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 9 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 9 |
| Offside Headlamp light intensity severely reduced |4.1.4 |a|| | 8 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 8 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 8 |
| Rear brake disc in such a condition that it is seriously weakened | 8 |
| Nearside Front Headlamp light intensity severely reduced (4.1.4 (a)) | 8 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 8 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 8 |
| Rear fog lamp switch faulty |1.3.1a| | 8 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Brake hose excessively deteriorated | 8 |