| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 75 |
| Headlamp aim out of alignment | 39 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 33 |
| Registration plate lamp issues | 29 |
| Brake pipe excessively corroded | 28 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 27 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 27 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 20 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 15 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Offside Front Position lamp not working |4.2.1 |a|| | 13 |
| Brakes imbalanced across an axle | 12 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 10 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 10 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 9 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 9 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 8 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 8 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 8 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 7 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 7 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 6 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 6 |
| Nearside Stop lamp not working |1.2.1b| | 5 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Offside Stop lamp not working |1.2.1b| | 4 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 4 |
| Nearside Side repeater not working |1.4.A.2c| | 4 |
| Brake hose excessively deteriorated | 4 |
| Nearside Front Service brake excessively fluctuating |1.2.1 |e|| | 3 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Registration plate issues | 3 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 3 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 3 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 3 |
| Rear brake binding | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 3 |
| Rear Mechanical brake component has restricted free movement | 3 |
| Offside Front Service brake excessively fluctuating |1.2.1 |e|| | 2 |
| Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Anti-lock braking system warning lamp indicates an ABS fault | 2 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 2 |
| Offside Stop lamp|s| all not working |4.3.1 |a| |iii|| | 2 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour |8.2.2.2 |d|| | 2 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 2 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 2 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Nearside Front Lower Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Electronic stability control switch not functioning correctly (7.12 (d)) | 2 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Offside Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Fuel system component leaking (6.1.3 (b) (i)) | 2 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 2 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |