| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 692 |
| Registration plate lamp issues | 679 |
| Headlamp aim out of alignment | 556 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 501 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 436 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 164 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 154 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 150 |
| Nearside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 149 |
| Offside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 144 |
| Nearside Rear Upper Shock absorbers has an excessively worn bush (5.3.2 (c)) | 143 |
| Offside Rear Upper Shock absorbers has an excessively worn bush (5.3.2 (c)) | 129 |
| Offside Front coil spring broken |2.4.C.1a| | 121 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 112 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 106 |
| Windscreen washer not working | 91 |
| Offside Front Shock absorbers has a serious fluid leak | 86 |
| Brakes imbalanced across an axle | 86 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 79 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 79 |
| Registration plate issues | 78 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 77 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 75 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 73 |
| Nearside Front coil spring broken |2.4.C.1a| | 69 |
| Offside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 63 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 63 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 62 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 61 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 51 |
| Front brake disc in such a condition that it is seriously weakened | 50 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 50 |
| Windscreen has damage | 50 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 49 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 44 |
| Reversing lamp inoperative (4.6.1 (a)) | 44 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 44 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 43 |
| Nearside Windscreen wiper not working (3.4 (a)) | 42 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 42 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 41 |
| Nearside Front Shock absorbers has a serious fluid leak | 41 |
| Nearside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 41 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 41 |
| Brake pedal anti-slip provision missing |1.1.2 |c|| | 40 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 39 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 39 |
| Brake pipe excessively corroded | 38 |
| Offside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 37 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 33 |
| Nearside Front Windscreen wiper not working (3.4 (a)) | 33 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 32 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 32 |
| Offside Stop lamp not working |1.2.1b| | 30 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 29 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 29 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 28 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 28 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 28 |
| Anti-lock braking system warning lamp indicates an ABS fault | 27 |
| Nearside Rear Shock absorbers has a serious fluid leak | 26 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 26 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 26 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 26 |
| Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 25 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 25 |
| Parking brake lever has no reserve travel |3.1.6b| | 25 |
| Horn not working (7.7 (a)) | 24 |
| Offside Rear Upper Shock absorbers has an excessively worn bush |5.3.2 |c|| | 23 |
| Offside Rear Shock absorbers has a serious fluid leak | 22 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 22 |
| Nearside Rear Upper Shock absorbers has an excessively worn bush |5.3.2 |c|| | 22 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 20 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 19 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 19 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 19 |
| Offside Front Upper Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 19 |
| Nearside Stop lamp not working |1.2.1b| | 19 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 19 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 19 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 18 |
| Offside Rear Upper Shock absorber has an excessively worn bush |2.7.4| | 18 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 18 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 17 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 17 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 17 |
| Front brake excessively fluctuating | 17 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 16 |
| Offside Front Position lamp not working |4.2.1 |a|| | 16 |
| Nearside Rear Shock absorbers has an excessively worn bush |5.3.2 |c|| | 16 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 16 |
| Offside Rear fog lamp not working |1.3.2b| | 16 |