| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1426 |
| Brake pipe excessively corroded | 1002 |
| Headlamp aim out of alignment | 914 |
| Registration plate lamp issues | 300 |
| Nearside Stop lamp not working |1.2.1b| | 289 |
| Offside Stop lamp not working |1.2.1b| | 277 |
| Front brake disc in such a condition that it is seriously weakened | 207 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 204 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 186 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 161 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 138 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 130 |
| Registration plate issues | 127 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 125 |
| Brakes imbalanced across an axle | 112 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 107 |
| Offside Rear Stop lamp not working |1.2.1b| | 107 |
| Nearside Rear Stop lamp not working |1.2.1b| | 106 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 93 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 87 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 85 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 77 |
| Windscreen washer not working | 76 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 70 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 62 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 50 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 48 |
| Offside Front Position lamp not working |4.2.1 |a|| | 47 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 47 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 47 |
| Windscreen wiper blade insecure | 47 |
| Nearside Rear Shock absorbers has a serious fluid leak | 44 |
| Offside Rear Shock absorbers has a serious fluid leak | 43 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 43 |
| Front brake excessively fluctuating | 38 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 37 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 37 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 37 |
| Anti-lock braking system warning lamp indicates an ABS fault | 37 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 37 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 36 |
| Brake hose excessively deteriorated | 35 |
| Nearside front brake binding |3.7.B.1| | 33 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 33 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 33 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 30 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 28 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 27 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 27 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 26 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 26 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 25 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 25 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 25 |
| Front brake application uneven | 25 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 25 |
| Emissions not tested (8.2.1.2 (d)) | 24 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 24 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 24 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 23 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 23 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 22 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 22 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 21 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 21 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 21 |
| Offside front brake binding |3.7.B.1| | 19 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 19 |
| Mechanical brake component has restricted free movement | 19 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 18 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 18 |
| Offside Front front brake binding |3.7.B.1| | 18 |