| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 300 |
| Brake pipe excessively corroded | 265 |
| Headlamp aim out of alignment | 230 |
| Registration plate lamp issues | 190 |
| Parking brake: efficiency below requirements |3.7.B.7| | 143 |
| Rear brake binding | 134 |
| Brakes imbalanced across an axle | 98 |
| Parking brake lever has no reserve travel |3.1.6b| | 96 |
| Rear parking brake recording little or no effort | 82 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 77 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 74 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 66 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 58 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 53 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 51 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 50 |
| Front brake disc in such a condition that it is seriously weakened | 47 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 37 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 37 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 33 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 32 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 31 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 31 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 30 |
| Offside Rear Shock absorbers has a serious fluid leak | 29 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 29 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 27 |
| Anti-lock braking system warning lamp indicates an ABS fault | 26 |
| Registration plate issues | 26 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 25 |
| Nearside Rear Shock absorbers has a serious fluid leak | 25 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 25 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 21 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 21 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 20 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 19 |
| Brake hose excessively deteriorated | 17 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 17 |
| Offside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 17 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 17 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 17 |
| Offside Front Position lamp not working |4.2.1 |a|| | 16 |
| Rear Mechanical brake component has restricted free movement | 16 |
| Nearside Stop lamp not working |1.2.1b| | 16 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 15 |
| Offside Stop lamp not working |1.2.1b| | 15 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 15 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 15 |
| Nearside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 15 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 14 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 14 |
| Offside Rear Stop lamp not working |1.2.1b| | 14 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 14 |
| Windscreen wiper blade insecure | 13 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 13 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 13 |
| Battery insecure |1.9.1| | 13 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 13 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 12 |
| Nearside Rear Stop lamp not working |1.2.1b| | 12 |
| Rear brake application uneven | 12 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 12 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Offside Front Shock absorbers has a serious fluid leak | 11 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 11 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 11 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 11 |
| Offside Front coil spring broken |2.4.C.1a| | 11 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 11 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 11 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 11 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 10 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 10 |
| Front brake application uneven | 10 |
| Horn not working |1.6.2a| | 10 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 10 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 10 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 10 |
| Offside Rear Seat belt retracting mechanism defective |5.2.5b| | 9 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 9 |
| Offside Front Lower Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Windscreen washer not working | 9 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 9 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 9 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 9 |
| Rear fog lamp not working |1.3.2b| | 8 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 8 |
| Offside Headlamp insecure |1.7.3| | 8 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 8 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 8 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 8 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 8 |
| Front brake excessively fluctuating | 8 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 7 |
| Nearside Front Lower Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 7 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 7 |
| Nearside Headlamp insecure |1.7.3| | 7 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 7 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 7 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 7 |
| Nearside Rear Parking brake inoperative on one side |1.4.1 |a|| | 7 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 7 |
| Rear fog lamp obscured more than 50% |1.3.2c| | 7 |
| Nearside Front Shock absorbers has a serious fluid leak | 7 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 7 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 7 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 7 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 6 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 6 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 6 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 6 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 6 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 6 |
| Offside Rear coil spring broken |2.4.C.1a| | 6 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 6 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 6 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Offside Front Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 6 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 6 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 6 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 6 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 6 |