| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 91 |
| Windscreen wiper does not clear the windscreen effectively | 66 |
| Brake pipe excessively corroded | 41 |
| Horn not working |1.6.2a| | 23 |
| Registration plate lamp issues | 19 |
| Horn not working (7.7 (a)) | 16 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 14 |
| Brakes imbalanced across an axle | 14 |
| Parking brake: efficiency below requirements |3.7.B.7| | 12 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 12 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 11 |
| Exhaust system not adequately supported |7.1.1| | 10 |
| Windscreen washer not working | 9 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Offside Rear fog lamp not working |1.3.2b| | 7 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Service brake: efficiency below requirements |3.7.B.7| | 6 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 6 |
| Horn not working (7.7 (a) (ii)) | 6 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Rear brake application uneven | 5 |
| Rear brake binding | 5 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 5 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 5 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 5 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 5 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 4 |
| Centre Exhaust system not adequately supported |7.1.1| | 4 |
| Nearside Headlamp insecure |1.7.3| | 4 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Offside Headlamp insecure |1.7.3| | 4 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Exhaust system insecure (6.1.2 (a)) | 4 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Offside Front Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 4 |
| Front Exhaust system not adequately supported |7.1.1| | 3 |
| Rear parking brake recording little or no effort | 3 |
| Offside Rear fog lamp missing |1.3.2a| | 3 |
| Offside Stop lamp not working |1.2.1b| | 3 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Front brake excessively fluctuating | 3 |
| Rear Exhaust system not adequately supported |7.1.1| | 3 |
| Offside Rear Service brake lagging in operation (1.2.1 (d)) | 3 |
| Brake performance not tested (1.2.1 (g)) | 3 |
| Exhaust system not adequately supported (7.1.1) | 3 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Offside Front Shock absorbers has a serious fluid leak | 3 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 3 |
| Front Fuel system component leaking |7.2.3| | 2 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Rear fog lamp tell tale not working |1.3.1b| | 2 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 2 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Centre Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Anti-lock braking system warning lamp indicates an ABS fault | 2 |
| Windscreen has damage | 2 |
| Registration plate issues | 2 |
| Emissions not tested |7.0| | 2 |
| Nearside Stop lamp not working |1.2.1b| | 2 |
| Nearside Outline marker lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Offside Rear position lamp(s) not working (1.1.A.3b) | 2 |
| Nearside Front Shock absorbers has a serious fluid leak | 2 |
| Horn not working (1.6.2a) | 2 |
| Exhaust has a major leak of exhaust gases (7.1.2) | 2 |
| Windscreen wiper not working (3.4 (a)) | 2 |
| Speedometer cannot be illuminated (7.8 (c) (ii)) | 2 |
| Offside Rear Stop lamp not working (1.2.1b) | 2 |
| Offside Front position lamp(s) not working (1.1.A.3b) | 2 |
| Offside Rear position lamp(s) excessively deteriorated so that it is not visible from a reasonable distance (1.1.A.3d) | 2 |
| Offside Upper Front position lamp(s) not working (1.1.A.3b) | 2 |
| Nearside Headlamp aim beam image kick up to the offside (1.8) | 2 |
| Offside Headlamp aim beam image kick up to the offside (1.8) | 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 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Rear Shock absorber has an excessively worn bush (2.7.4) | 2 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 2 |