| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 1143 |
| Headlamp aim out of alignment | 932 |
| Windscreen wiper does not clear the windscreen effectively | 876 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 593 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 465 |
| Offside Front coil spring broken |2.4.C.1a| | 245 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 229 |
| Offside Rear Upper Shock absorbers has an excessively worn bush (5.3.2 (c)) | 229 |
| Nearside Rear Upper Shock absorbers has an excessively worn bush (5.3.2 (c)) | 221 |
| Offside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 197 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 183 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 179 |
| Nearside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 178 |
| Nearside Front coil spring broken |2.4.C.1a| | 163 |
| Windscreen washer not working | 161 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 156 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 151 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 147 |
| Brakes imbalanced across an axle | 130 |
| Offside Front Shock absorbers has a serious fluid leak | 126 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 122 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 117 |
| Registration plate issues | 108 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 101 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 98 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 95 |
| Front brake disc in such a condition that it is seriously weakened | 90 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 89 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 89 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 87 |
| Windscreen has damage | 85 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 83 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 80 |
| Offside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 79 |
| Anti-lock braking system warning lamp indicates an ABS fault | 75 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 72 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 71 |
| Parking brake lever has no reserve travel |3.1.6b| | 70 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 68 |
| Nearside Windscreen wiper not working (3.4 (a)) | 65 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 62 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 62 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 60 |
| Nearside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 59 |
| Offside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 58 |
| Nearside Front Shock absorbers has a serious fluid leak | 57 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 57 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 56 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 55 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 54 |
| Offside Stop lamp not working |1.2.1b| | 54 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 53 |
| Reversing lamp inoperative (4.6.1 (a)) | 52 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 49 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 48 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 48 |
| Nearside Stop lamp not working |1.2.1b| | 47 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 46 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 46 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 45 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 45 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 45 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 44 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 44 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 44 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 44 |
| Offside Rear Upper Shock absorber has an excessively worn bush |2.7.4| | 44 |
| Offside Rear Shock absorbers has a serious fluid leak | 43 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 42 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 41 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 40 |
| Nearside Front Windscreen wiper not working (3.4 (a)) | 39 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 39 |
| Brake pedal anti-slip provision missing |1.1.2 |c|| | 38 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 38 |
| Nearside Rear Upper Shock absorbers has an excessively worn bush |5.3.2 |c|| | 36 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 36 |
| Horn not working (7.7 (a)) | 36 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 34 |
| Nearside Rear Stop lamp not working |1.2.1b| | 34 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 34 |
| Parking brake: efficiency below requirements |3.7.B.7| | 34 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 33 |
| Nearside Rear Upper Shock absorber has an excessively worn bush |2.7.4| | 33 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 32 |
| Offside Rear Upper Shock absorbers has an excessively worn bush |5.3.2 |c|| | 31 |
| Emissions not tested (8.2.2.2 (e)) | 31 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 31 |
| Offside Front Macpherson strut has excessive movement in the upper support bearing assembly |2.5.B.1b| | 30 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 30 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 29 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 29 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 28 |
| Offside Front Position lamp not working |4.2.1 |a|| | 28 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 28 |
| Offside Rear Shock absorbers has an excessively worn bush |5.3.2 |c|| | 28 |
| Nearside Rear Shock absorbers has a serious fluid leak | 27 |
| Offside Rear Stop lamp not working |1.2.1b| | 27 |
| Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 26 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 26 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 26 |
| Power steering fluid level below minimum |2.3.1| | 25 |