| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 428 |
| Windscreen wiper does not clear the windscreen effectively | 271 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 231 |
| Registration plate lamp issues | 184 |
| Registration plate issues | 140 |
| Rear fog lamp not working |1.3.2b| | 137 |
| Rear brake binding | 124 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 121 |
| Parking brake: efficiency below requirements |3.7.B.7| | 118 |
| Brakes imbalanced across an axle | 111 |
| Offside Rear fog lamp not working |1.3.2b| | 105 |
| Windscreen washer not working | 92 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 78 |
| Nearside Rear Shock absorbers has a serious fluid leak | 75 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 72 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 71 |
| Offside Rear Shock absorbers has a serious fluid leak | 70 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 68 |
| Rear parking brake recording little or no effort | 67 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 67 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 65 |
| Parking brake lever has no reserve travel |3.1.6b| | 62 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 62 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 61 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 58 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 55 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 52 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 51 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 50 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 48 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 48 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 47 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 44 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 44 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 42 |
| Offside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 41 |
| Nearside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 40 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 38 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 38 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 33 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 33 |
| Windscreen has damage | 32 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 32 |
| Anti-lock braking system warning lamp indicates an ABS fault | 31 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 30 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 30 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 29 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 27 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 25 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 24 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 23 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 23 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 23 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 22 |
| Offside Rear Rear fog lamp not working |4.5.1 |a| |ii|| | 21 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 21 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 21 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 20 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 20 |
| Steering rack insecure to the extent there is excessive movement at the mountings (2.1.3 (a) (ii)) | 20 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 19 |
| Rear Mechanical brake component has restricted free movement | 19 |
| Trailer electrical socket |13 pin| not operating the trailer lamps as intended |1.9.4| | 19 |
| Offside Stop lamp not working |1.2.1b| | 18 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 17 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 17 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 16 |
| Nearside Stop lamp not working |1.2.1b| | 16 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 16 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 16 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 15 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 15 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 15 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 15 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 15 |
| Front brake disc in such a condition that it is seriously weakened | 14 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 14 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 14 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 14 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 14 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 14 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 14 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 14 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 13 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 13 |
| Steering rack insecure |2.2.B.1a| | 13 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 12 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 12 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 12 |
| Offside Front Position lamp not working |4.2.1 |a|| | 12 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 12 |
| Reversing lamp inoperative (4.6.1 (a)) | 12 |
| Offside Rear Service brake lagging in operation (1.2.1 (d)) | 11 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 11 |
| Brake performance not tested (1.2.1 (g)) | 11 |
| Offside Rear Hydraulic brake cylinder leaking hydraulic fluid (1.1.16 (b) (i)) | 11 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 11 |
| Offside Front Anti-roll bar pin or bush excessively worn D bush (5.3.4 (a) (i)) | 11 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 10 |
| Nearside Front Anti-roll bar pin or bush excessively worn D bush (5.3.4 (a) (i)) | 10 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 10 |
| Nearside Rear Service brake lagging in operation (1.2.1 (d)) | 10 |