| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 172 |
| Brake pipe excessively corroded | 68 |
| Windscreen wiper does not clear the windscreen effectively | 48 |
| Registration plate issues | 39 |
| Front brake disc in such a condition that it is seriously weakened | 38 |
| Registration plate lamp issues | 32 |
| Rear brake disc in such a condition that it is seriously weakened | 12 |
| Windscreen has damage | 8 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 7 |
| Brakes imbalanced across an axle | 6 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 6 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Service brake: efficiency below requirements |3.7.B.7| | 5 |
| Front brake excessively fluctuating | 5 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 5 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 5 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Horn not working |1.6.2a| | 4 |
| Nearside Front Shock absorbers has a serious fluid leak | 4 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 4 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Front Service brake excessively fluctuating |1.2.1 |e|| | 3 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Rear parking brake recording little or no effort | 3 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 3 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 3 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 3 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 2 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Rear Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 2 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 2 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Anti-lock braking system warning lamp indicates an ABS fault | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Offside Rear Shock absorbers has a serious fluid leak | 2 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 2 |
| Offside Rear fog lamp not working |1.3.2b| | 2 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |
| Offside Rear Valve stem seriously damaged |4.1.D.1e| | 2 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 2 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Front brake application uneven | 2 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 2 |
| Offside Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 2 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 2 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 2 |
| Nearside Front Valve stem seriously damaged |4.1.D.1e| | 2 |
| Offside Front Valve stem seriously damaged |4.1.D.1e| | 2 |