| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 1881 |
| Windscreen wiper does not clear the windscreen effectively | 1627 |
| Headlamp aim out of alignment | 951 |
| Registration plate lamp issues | 392 |
| Brakes imbalanced across an axle | 328 |
| Front brake disc in such a condition that it is seriously weakened | 210 |
| Rear Exhaust system not adequately supported |7.1.1| | 181 |
| Offside Front coil spring broken |2.4.C.1a| | 164 |
| Registration plate issues | 164 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 156 |
| Anti-lock braking system warning lamp indicates an ABS fault | 153 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 122 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 104 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 100 |
| Front Exhaust system not adequately supported |7.1.1| | 100 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 92 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 90 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 86 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 86 |
| Exhaust system not adequately supported |7.1.1| | 83 |
| Nearside Front coil spring broken |2.4.C.1a| | 82 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 81 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 79 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 79 |
| Offside Rear Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 76 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 75 |
| Rear brake binding | 75 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 74 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 73 |
| Windscreen washer not working | 72 |
| Parking brake: efficiency below requirements |3.7.B.7| | 69 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 67 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 66 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 65 |
| Rear Exhaust system insecure (6.1.2 (a)) | 60 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 58 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 58 |
| Nearside Rear Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 56 |
| Horn sounds harsh or grating |1.6.2e| | 56 |
| Front brake application uneven | 54 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 54 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 53 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 52 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 51 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 51 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 50 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 48 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 47 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 47 |
| Parking brake lever has no reserve travel |3.1.6b| | 46 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 46 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 46 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 44 |
| Brake hose excessively deteriorated | 43 |
| Rear parking brake recording little or no effort | 43 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 42 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 41 |
| Offside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 40 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 40 |
| Front brake excessively fluctuating | 40 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 39 |
| Horn sound not in accordance with requirements (7.7 (c)) | 39 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 38 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 37 |
| Offside Rear Trailing arm corroded and seriously weakened |2.4.G.1| | 35 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 34 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 34 |
| Horn not working |1.6.2a| | 34 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 34 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 30 |
| Windscreen wiper blade insecure | 30 |
| Nearside Stop lamp not working |1.2.1b| | 30 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 30 |
| Nearside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 29 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 29 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 29 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 29 |
| Offside Front Position lamp not working |4.2.1 |a|| | 29 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 28 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 28 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 27 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 27 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 26 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 26 |
| Offside Rear coil spring broken |2.4.C.1a| | 26 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 24 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 24 |
| Centre Stop lamp not working |1.2.1b| | 24 |
| Rear brake application uneven | 24 |
| Offside Stop lamp not working |1.2.1b| | 24 |
| Front Exhaust system insecure (6.1.2 (a)) | 24 |
| Exhaust system insecure (6.1.2 (a)) | 24 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 23 |
| Horn not working (7.7 (a) (ii)) | 23 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 23 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 23 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 23 |