| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1370 |
| Brake pipe excessively corroded | 395 |
| Windscreen wiper does not clear the windscreen effectively | 225 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 202 |
| Service brake: efficiency below requirements |3.7.B.7| | 194 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 193 |
| Registration plate lamp issues | 183 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 179 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 154 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 154 |
| Brakes imbalanced across an axle | 141 |
| Nearside Side repeater not working |1.4.A.2c| | 137 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 127 |
| Offside Side repeater not working |1.4.A.2c| | 124 |
| Windscreen washer not working | 120 |
| Horn not working (7.7 (a) (ii)) | 103 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 98 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 96 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 87 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 85 |
| Horn not working (7.7 (a)) | 85 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 83 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 79 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 72 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 72 |
| Registration plate issues | 61 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 61 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 60 |
| Horn not working |1.6.2a| | 60 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 58 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 54 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 54 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 51 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 48 |
| Rear brake disc in such a condition that it is seriously weakened | 47 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 47 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 46 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 44 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 44 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 43 |
| Nearside Front Shock absorbers has a serious fluid leak | 41 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 40 |
| Horn not working |7.7 |a| |ii|| | 39 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 39 |
| Offside Side repeater not working |4.4.1 |a| |ii|| | 38 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 37 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 36 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 33 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 33 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 30 |
| Nearside Front Side repeater not working |1.4.A.2c| | 29 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 29 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 29 |
| Offside Rear coil spring broken |2.4.C.1a| | 28 |
| Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 28 |
| Front brake disc in such a condition that it is seriously weakened | 27 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 26 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 26 |
| Nearside Rear coil spring broken |2.4.C.1a| | 25 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 25 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 25 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 25 |
| Nearside Side repeater light intensity significantly reduced (4.4.3 (a)) | 23 |
| Parking brake: efficiency below requirements |3.7.B.7| | 22 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 22 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 22 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 22 |
| Offside Front Side repeater not working |1.4.A.2c| | 21 |
| Nearside Headlamp insecure |1.7.3| | 21 |
| Parking brake lever has no reserve travel |3.1.6b| | 20 |
| Offside Headlamp insecure |1.7.3| | 20 |