| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 461 |
| Windscreen wiper does not clear the windscreen effectively | 423 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 287 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 221 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 207 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 180 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 143 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 127 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 94 |
| Anti-lock braking system warning lamp indicates an ABS fault | 85 |
| Registration plate lamp issues | 82 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 82 |
| Windscreen washer not working | 81 |
| Offside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 78 |
| Offside Rear Outer Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 78 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 78 |
| Brakes imbalanced across an axle | 77 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 77 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 75 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 73 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 71 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 71 |
| Brake hose excessively deteriorated | 69 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 67 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 66 |
| Offside Rear Hydraulic brake calliper leaking (1.1.16 (b) (i)) | 64 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 64 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 63 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 63 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 58 |
| Nearside Rear Hydraulic brake calliper leaking (1.1.16 (b) (i)) | 57 |
| Registration plate issues | 54 |
| Offside Rear Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 54 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 52 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 52 |
| Nearside Rear Outer Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 51 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 50 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 50 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 50 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 49 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 49 |
| Front brake disc in such a condition that it is seriously weakened | 48 |
| Nearside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 46 |
| Nearside Rear Shock absorbers has a serious fluid leak | 46 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 46 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 45 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 45 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 44 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 43 |
| Offside Rear Shock absorbers has a serious fluid leak | 43 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 42 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 42 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 39 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 39 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 38 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 37 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 37 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 36 |
| Brake fluid contaminated (1.8 (a)) | 36 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 35 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 35 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 34 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 34 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 33 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 33 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 32 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 32 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 32 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 32 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 31 |
| Rear brake disc in such a condition that it is seriously weakened | 30 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 30 |
| Offside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 30 |
| Nearside Rear Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 30 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 29 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 29 |
| Offside Rear Lower Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 29 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 29 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 29 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 28 |
| Offside Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 27 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 27 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 27 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 27 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 27 |
| Nearside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 27 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 26 |
| Nearside Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 25 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 25 |
| Offside Seat belt anchorage prescribed area strength or continuity significantly reduced outer sill (7.1.1 (a) (i)) | 25 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 25 |
| Brake pipe excessively corroded | 25 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 23 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 23 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 23 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 22 |
| Offside Rear Suspension arm pin or bush excessively worn trailing arm bush (5.3.4 (a) (i)) | 22 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 21 |
| Nearside Rear Suspension arm pin or bush excessively worn trailing arm (5.3.4 (a) (i)) | 21 |
| Nearside Rear Lower Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 21 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 21 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 21 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 20 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 20 |
| Offside Rear Suspension arm pin or bush excessively worn trailing arm (5.3.4 (a) (i)) | 19 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 19 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 18 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 18 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 17 |
| Nearside Rear Suspension arm pin or bush excessively worn trailing arm bush (5.3.4 (a) (i)) | 17 |
| Nearside Seat belt anchorage prescribed area strength or continuity significantly reduced outer sill (7.1.1 (a) (i)) | 17 |
| Brake performance not tested (1.2.1 (g)) | 17 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 17 |
| Nearside Rear Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 17 |
| Nearside Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 16 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 16 |
| Offside Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 16 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 16 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 16 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 15 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 15 |
| Horn not working (7.7 (a)) | 15 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 14 |
| Offside Outer Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 14 |
| Nearside Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 14 |
| Emissions not tested (8.2.2.2 (e)) | 14 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 14 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 14 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 14 |
| Offside Rear Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 14 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 14 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Central Rear Seat belt not functioning as intended (7.1.2 (c)) | 14 |
| Offside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 14 |
| Offside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 14 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 14 |
| Offside Rear Seat belt anchorage prescribed area strength or continuity significantly reduced outer sill (7.1.1 (a) (i)) | 14 |
| Rear Brake cable insecure | 14 |