| Most common failures | No# failures |
|---|
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 97 |
| Headlamp aim out of alignment | 81 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 65 |
| Nearside Rear Shock absorbers has a serious fluid leak | 45 |
| Windscreen wiper does not clear the windscreen effectively | 36 |
| Offside Rear Shock absorbers has a serious fluid leak | 33 |
| Windscreen washer not working | 29 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 23 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 22 |
| Registration plate lamp issues | 16 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 15 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 14 |
| Reversing lamp inoperative (4.6.1 (a)) | 12 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Brakes imbalanced across an axle | 10 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 9 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 8 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 8 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 8 |
| Front brake disc in such a condition that it is seriously weakened | 7 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 7 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 6 |
| Rear Reversing lamp inoperative (4.6.1 (a)) | 6 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 6 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 5 |
| Horn not working (7.7 (a)) | 5 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Offside Front fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 4 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 4 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 4 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Registration plate issues | 4 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 4 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 4 |
| Electronic stability control switch not functioning correctly (7.12 (d)) | 4 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 4 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Nearside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 3 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 3 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Nearside Front Headlamp aim unable to be tested (4.1.2 (b)) | 3 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 3 |
| Offside Rear Shock absorbers has negligible damping effect (5.3.2 (d)) | 3 |
| Nearside Rear Service brake lagging in operation (1.2.1 (d)) | 3 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Engine MIL inoperative or indicates a malfunction indicates a malfunction (8.2.2.2 (g)) | 3 |
| Supplementary restraint system warning lamp indicates a fault air bag (7.1.6 (a)) | 2 |
| Rear Shock absorbers has a serious fluid leak (5.3.2 (b)) | 2 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Anti-lock braking system warning lamp indicates an ABS fault | 2 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Nearside Front Suspension arm ball joint likely to become detached (5.3.4 (a) (ii)) | 2 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 2 |
| Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 2 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Nearside Front Road wheel badly distorted (5.2.2 (c) (i)) | 2 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 2 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 2 |
| Nearside Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Brake pedal anti-slip provision missing (1.1.2 (c)) | 2 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 2 |
| Emissions unable to be completed oil light flashing (8.2.2.2 (e)) | 2 |
| Nearside Front Front passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 2 |
| Bonnet cannot be secured in the closed position (3.1 (b) (i)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Drivers door cannot be opened from outside the vehicle (6.2.3 (a)) | 2 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Offside Front Suspension arm ball joint likely to become detached (5.3.4 (a) (ii)) | 2 |
| Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Offside Front Front fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Undertray likely to become detached (6.2.1 (a) (ii)) | 2 |
| Offside Front Shock absorbers damaged to the extent that it does not function (5.3.2 (b)) | 2 |