| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 663 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 608 |
| Windscreen wiper does not clear the windscreen effectively | 287 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 285 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 239 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 180 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 171 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 162 |
| Windscreen washer not working | 150 |
| Anti-lock braking system warning lamp indicates an ABS fault | 133 |
| Nearside Front Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 128 |
| Brakes imbalanced across an axle | 127 |
| Nearside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 126 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 125 |
| Offside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 124 |
| Nearside Rear Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 122 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 120 |
| Horn not working (7.7 (a)) | 112 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 110 |
| Registration plate lamp issues | 109 |
| Offside Rear Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 108 |
| Nearside Rear Brake disc contaminated (1.1.14 (b)) | 102 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 96 |
| Nearside Front Shock absorbers has an excessively worn bush (5.3.2 (c)) | 94 |
| Offside Front Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 93 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 88 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 87 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 77 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 77 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 73 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 70 |
| Offside Front Shock absorbers has an excessively worn bush (5.3.2 (c)) | 70 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 67 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 66 |
| Nearside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 64 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 63 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 62 |
| Offside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 61 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 60 |
| Nearside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 59 |
| Offside Rear Brake disc contaminated (1.1.14 (b)) | 58 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 58 |
| Offside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 57 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 52 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 52 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 48 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 47 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 45 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 39 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 37 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 37 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 37 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 35 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 35 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 35 |
| Registration plate issues | 35 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 35 |
| Horn not working (7.7 (a) (ii)) | 35 |
| Front Bumper insecure (6.1.4 (a) (i)) | 34 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 34 |
| Nearside Front Lower Shock absorbers has an excessively worn bush |5.3.2 |c|| | 33 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 33 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 32 |
| Nearside Rear Outer Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 32 |
| Offside Rear Shock absorbers has a serious fluid leak | 30 |
| Offside Rear Outer Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 29 |
| Brake pipe excessively corroded | 29 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 28 |
| Nearside Rear Shock absorbers has a serious fluid leak | 27 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 26 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 26 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 25 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 25 |
| Rear brake disc in such a condition that it is seriously weakened | 24 |
| Reversing lamp inoperative (4.6.1 (a)) | 24 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 24 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 23 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 22 |
| Offside Front Lower Shock absorbers has an excessively worn bush |5.3.2 |c|| | 22 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 22 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 21 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 21 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 20 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn |5.3.4 |a| |i|| | 19 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 19 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 19 |
| Front brake disc in such a condition that it is seriously weakened | 19 |
| Offside Rear Anti-roll bar pin or bush excessively worn D bush (5.3.4 (a) (i)) | 18 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 18 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 18 |
| Nearside Rear Inner Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 18 |
| Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 18 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 18 |
| Nearside Front Shock absorbers has an excessively worn bush |5.3.2 |c|| | 17 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 17 |
| Nearside Side repeater lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 17 |
| Electronic stability control warning lamp indicates a fault |7.12 |e|| | 17 |
| Nearside Rear Lower Shock absorbers has an excessively worn bush |5.3.2 |c|| | 17 |
| Offside Rear Lower Shock absorbers has an excessively worn bush |5.3.2 |c|| | 17 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 17 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 16 |
| Offside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 16 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 16 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 16 |
| Offside Rear Inner Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 16 |
| Nearside Front Shock absorbers has an excessively worn bush lower bush (5.3.2 (c)) | 15 |
| Nearside Rear Anti-roll bar pin or bush excessively worn D bush (5.3.4 (a) (i)) | 15 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 15 |
| Offside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 15 |
| Offside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 15 |
| Offside Front Shock absorbers has a serious fluid leak | 14 |
| Nearside Rear Shock absorbers has an excessively worn bush |5.3.2 |c|| | 14 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 14 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 14 |
| Offside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 14 |
| Nearside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 14 |
| Nearside Headlamp light intensity severely reduced (4.1.4 (a)) | 14 |
| Nearside Front Upper Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 14 |
| Nearside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 13 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn |5.3.4 |a| |i|| | 13 |
| Offside Rear Shock absorbers has an excessively worn bush |5.3.2 |c|| | 12 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 12 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 12 |
| Offside Front Shock absorbers has an excessively worn bush lower bush (5.3.2 (c)) | 12 |
| Nearside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 12 |
| Nearside Rear Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 12 |
| Offside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 12 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 12 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 12 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 12 |
| Nearside Front Shock absorbers has a serious fluid leak | 12 |
| Nearside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 12 |
| Offside Front Shock absorbers has an excessively worn bush |5.3.2 |c|| | 12 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 12 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 12 |
| Offside Rear Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 11 |
| Nearside Rear Outer Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 11 |
| Offside Rear Outer Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 11 |
| Rear Brake disc contaminated (1.1.14 (b)) | 10 |
| Nearside Headlamp aim not tested (4.1.2 (b)) | 10 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 10 |
| Nearside Side repeater missing (4.4.1 (a) (ii)) | 10 |
| Nearside Front Seat belt anchorage prescribed area strength or continuity significantly reduced (7.1.1 (a) (i)) | 10 |
| Nearside Rear Anti-roll bar pin or bush excessively worn d bush (5.3.4 (a) (i)) | 10 |
| Nearside Rear Anti-roll bar pin or bush excessively worn |5.3.4 |a| |i|| | 10 |
| Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 10 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 10 |
| Nearside Rear Brake disc contaminated hub seal leaking (1.1.14 (b)) | 9 |
| Offside Obligatory mirror insecure (3.3 (b) (ii)) | 9 |
| Offside Rear Anti-roll bar pin or bush excessively worn d bush (5.3.4 (a) (i)) | 9 |
| Offside Rear Anti-roll bar pin or bush excessively worn |5.3.4 |a| |i|| | 9 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 9 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 9 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 9 |
| Nearside Front Headlamp light intensity severely reduced (4.1.4 (a)) | 9 |