| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 86 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 65 |
| Windscreen wiper does not clear the windscreen effectively | 60 |
| Registration plate lamp issues | 60 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 32 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 30 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 20 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 16 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 16 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 16 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 15 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 14 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 11 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 10 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 10 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 9 |
| Parking brake: efficiency below requirements |3.7.B.7| | 8 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 8 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 8 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 8 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 8 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 7 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Brake pipe excessively corroded | 7 |
| Brakes imbalanced across an axle | 6 |
| Nearside Rear Parking brake inoperative on one side |1.4.1 |a|| | 6 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 6 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 5 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 5 |
| Windscreen washer not working | 5 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 4 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 4 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 4 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 4 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 4 |
| Nearside Headlamp levelling device inoperative (4.1.5 (a)) | 4 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Offside Front Position lamp not working |4.2.1 |a|| | 3 |
| Nearside Front Position lamp not working |4.2.1 |a| |ii|| | 3 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Parking brake lever has no reserve travel |3.1.6b| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Rear parking brake recording little or no effort | 3 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Offside Headlamp levelling device inoperative (4.1.5 (a)) | 3 |
| Nearside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Registration plate issues | 2 |
| Offside Front Position lamp not working |4.2.1 |a| |ii|| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Rear Mechanical brake component has restricted free movement | 2 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 2 |
| Offside Front Headlamp levelling device inoperative (4.1.5 (a)) | 2 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Side repeater incorrect colour (4.4.3 (a)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 2 |
| Nearside Front Headlamp aim not tested (4.1.2 (b)) | 2 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Offside Rear Service brake lagging in operation (1.2.1 (d)) | 2 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Nearside Headlamp aim unable to be tested (4.1.2 (b)) | 2 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |