| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 149 |
| Registration plate lamp issues | 125 |
| Headlamp aim out of alignment | 104 |
| Parking brake: efficiency below requirements |3.7.B.7| | 79 |
| Brake pipe excessively corroded | 76 |
| Rear brake binding | 72 |
| Parking brake lever has no reserve travel |3.1.6b| | 55 |
| Rear parking brake recording little or no effort | 47 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 42 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 41 |
| Brakes imbalanced across an axle | 39 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 37 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 33 |
| Front brake disc in such a condition that it is seriously weakened | 24 |
| Offside Rear coil spring broken |2.4.C.1a| | 16 |
| Anti-lock braking system warning lamp indicates an ABS fault | 15 |
| Offside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 15 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 15 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 14 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 12 |
| Registration plate issues | 11 |
| Offside Front Lower Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 11 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 11 |
| Rear Mechanical brake component has restricted free movement | 10 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 10 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 10 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 10 |
| Fuel system component leaking |7.2.3| | 10 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 10 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 9 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 9 |
| Offside Rear Shock absorbers has a serious fluid leak | 9 |
| Nearside Stop lamp not working |1.2.1b| | 9 |
| Offside Front Position lamp not working |4.2.1 |a|| | 9 |
| Rear Exhaust system not adequately supported |7.1.1| | 9 |
| Nearside Rear Shock absorbers has a serious fluid leak | 9 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 8 |
| Nearside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 8 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Nearside Rear Seat belt retracting mechanism defective |5.2.5b| | 8 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Service brake: efficiency below requirements |3.7.B.7| | 8 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 8 |
| Rear fog lamp not working |1.3.2b| | 8 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 8 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 7 |
| Rear brake application uneven | 7 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 7 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 7 |
| Offside Rear Seat belt retracting mechanism defective |5.2.5b| | 7 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 7 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 7 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 7 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 7 |
| Offside Stop lamp not working |1.2.1b| | 6 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 6 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 6 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 5 |
| Front Sub-frame corroded and seriously weakened |2.4.G.1| | 5 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Front brake application uneven | 5 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 5 |
| Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 5 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Windscreen washer not working | 5 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 5 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 5 |
| Battery insecure |1.9.1| | 5 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement rear bush |2.4.G.2| | 4 |
| Nearside Front Macpherson strut has excessive movement in the upper support bearing assembly |2.5.B.1b| | 4 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 4 |
| Offside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 4 |
| Brake pedal spongy |3.3.B.1b| | 4 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 4 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 4 |
| Front brake excessively fluctuating | 4 |
| Nearside Front Lower Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 4 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Windscreen wiper blade insecure | 4 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 4 |
| Horn not working |1.6.2a| | 4 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement rear bush |2.4.G.2| | 3 |
| Offside Front Macpherson strut has excessive movement in the upper support bearing assembly |2.5.B.1b| | 3 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 3 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Nearside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Nearside Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 3 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 3 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Windscreen has damage | 3 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 3 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Front Fuel system component leaking |7.2.3| | 3 |
| Offside Front Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 3 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 3 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine |8.2.2.2 |b|| | 3 |
| Nearside Rear Seat belt retracting mechanism defective (7.1.2 (e)) | 3 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Nearside Rear coil spring broken |2.4.C.1a| | 3 |
| Offside Front Upper Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Stop lamp not working |1.2.1b| | 3 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 3 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 3 |