| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 409 |
| Headlamp aim out of alignment | 333 |
| Windscreen wiper does not clear the windscreen effectively | 266 |
| Parking brake: efficiency below requirements |3.7.B.7| | 150 |
| Parking brake lever has no reserve travel |3.1.6b| | 119 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 97 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 94 |
| Brake pipe excessively corroded | 94 |
| Rear parking brake recording little or no effort | 94 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 92 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 80 |
| Rear brake binding | 73 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 67 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 66 |
| Offside Stop lamp not working |1.2.1b| | 64 |
| Brakes imbalanced across an axle | 61 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 58 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 56 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 55 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 47 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 46 |
| Rear brake disc in such a condition that it is seriously weakened | 45 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 40 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 39 |
| Registration plate issues | 39 |
| Nearside Stop lamp not working |1.2.1b| | 37 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 36 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 36 |
| Offside Front Shock absorbers has a serious fluid leak | 35 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 35 |
| Offside Rear Stop lamp not working |1.2.1b| | 33 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 31 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 31 |
| Windscreen washer not working | 31 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 31 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 31 |
| Battery insecure |1.9.1| | 30 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 30 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 30 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 30 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 29 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 26 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 26 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 25 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 24 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 24 |
| Front brake disc in such a condition that it is seriously weakened | 24 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 24 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 24 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 22 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 21 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 21 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 21 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 20 |
| Offside Front Position lamp not working |4.2.1 |a|| | 20 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 20 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 19 |
| Nearside Rear Stop lamp not working |1.2.1b| | 19 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 18 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 18 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 17 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 17 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 17 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 16 |
| Front brake excessively fluctuating | 16 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 16 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 16 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 16 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 15 |
| Nearside Front Shock absorbers has a serious fluid leak | 15 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 14 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 14 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 14 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 14 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 13 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 13 |
| Front brake application uneven | 13 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 13 |
| Anti-lock braking system warning lamp indicates an ABS fault | 13 |
| Nearside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 13 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 12 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 12 |
| Rear Mechanical brake component has restricted free movement | 12 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 12 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 12 |
| Offside Rear Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 11 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 11 |
| Rear brake application uneven | 11 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 11 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 11 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 11 |
| Nearside Rear Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 11 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 10 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 10 |
| Nearside Rear Other passenger door cannot be opened from outside the vehicle |6.2.3 |a|| | 10 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 10 |
| Nearside Headlamp not working on main beam |1.7.5a| | 10 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 10 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 10 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 9 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 9 |
| Windscreen has damage | 9 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 9 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 9 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 9 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 9 |
| Offside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 9 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 8 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 8 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 8 |
| Offside Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 8 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 8 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 8 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 8 |