| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 3074 |
| Brake pipe excessively corroded | 1873 |
| Headlamp aim out of alignment | 1403 |
| Registration plate lamp issues | 790 |
| Brakes imbalanced across an axle | 646 |
| Offside Stop lamp not working |1.2.1b| | 520 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 456 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 449 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 444 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 389 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 327 |
| Nearside Stop lamp not working |1.2.1b| | 320 |
| Registration plate issues | 281 |
| Offside Rear Stop lamp not working |1.2.1b| | 267 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 264 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 258 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 257 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 224 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 223 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 207 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 196 |
| Rear brake binding | 185 |
| Nearside Rear Stop lamp not working |1.2.1b| | 171 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 168 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 168 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 163 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 153 |
| Anti-lock braking system warning lamp indicates an ABS fault | 151 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 150 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 146 |
| Front brake disc in such a condition that it is seriously weakened | 146 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 139 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 138 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 123 |
| Windscreen washer not working | 122 |
| Offside Front Position lamp not working |4.2.1 |a|| | 118 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 114 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 110 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 99 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 93 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 93 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 91 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 89 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 89 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 88 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 86 |
| Offside Rear Shock absorbers has a serious fluid leak | 81 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 80 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 75 |
| Bonnet cannot be secured in the closed position (3.1 (b) (i)) | 73 |
| Nearside Rear Shock absorbers has a serious fluid leak | 73 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 73 |
| Rear fog lamp not working |1.3.2b| | 72 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 70 |
| Nearside Side repeater not working |1.4.A.2c| | 69 |
| Nearside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 69 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 68 |
| Front brake application uneven | 68 |
| Front brake excessively fluctuating | 64 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 63 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 59 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 59 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 59 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 58 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 57 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 54 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 52 |
| Offside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 51 |
| Bonnet cannot be secured in the closed position |8.4.1| | 51 |
| Reversing lamp inoperative (4.6.1 (a)) | 49 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 49 |
| Rear brake application uneven | 49 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 44 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 44 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 43 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 43 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 43 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 42 |
| Windscreen wiper blade insecure | 41 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 41 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 41 |
| Nearside Front Shock absorbers has a serious fluid leak | 40 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 40 |
| Emissions not tested (8.2.1.2 (d)) | 39 |
| Rear Exhaust system not adequately supported |7.1.1| | 38 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 38 |