| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 652 |
| Brake pipe excessively corroded | 584 |
| Nearside Front coil spring broken |2.4.C.1a| | 358 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 281 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 281 |
| Offside Front coil spring broken |2.4.C.1a| | 240 |
| Registration plate issues | 237 |
| Windscreen wiper does not clear the windscreen effectively | 223 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 207 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 148 |
| Parking brake: efficiency below requirements |3.7.B.7| | 148 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 123 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 115 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 111 |
| Windscreen washer not working | 106 |
| Brakes imbalanced across an axle | 104 |
| Registration plate lamp issues | 101 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 88 |
| Offside Rear coil spring broken |2.4.C.1a| | 84 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 83 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 69 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 65 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 62 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 60 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 57 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 57 |
| Rear parking brake recording little or no effort | 57 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 54 |
| Nearside Rear coil spring broken |2.4.C.1a| | 48 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 46 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 45 |
| Front brake disc in such a condition that it is seriously weakened | 43 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 43 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 43 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 41 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 38 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 37 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 35 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 34 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 33 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 33 |
| Nearside Side repeater not working |1.4.A.2c| | 31 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 30 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 30 |
| Front brake excessively fluctuating | 28 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 28 |
| Front brake application uneven | 26 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 25 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 24 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 21 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 20 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 19 |
| Offside Front Lower Suspension arm ball joint excessively worn rear arm (5.3.4 (a) (i)) | 18 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 17 |
| Offside Front Position lamp not working |4.2.1 |a|| | 17 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 17 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 17 |
| Windscreen has damage | 17 |