| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 383 |
| Headlamp aim out of alignment | 380 |
| Registration plate lamp issues | 259 |
| Brake pipe excessively corroded | 76 |
| Parking brake: efficiency below requirements |3.7.B.7| | 68 |
| Parking brake lever has no reserve travel |3.1.6b| | 65 |
| Brakes imbalanced across an axle | 62 |
| Nearside Side repeater not working |1.4.A.2c| | 59 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 57 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 52 |
| Registration plate issues | 52 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 50 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 49 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 40 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 35 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 33 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 32 |
| Windscreen washer not working | 32 |
| Rear brake binding | 30 |
| Rear parking brake recording little or no effort | 29 |
| Offside Side repeater not working |1.4.A.2c| | 29 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 28 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 27 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 27 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 27 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 24 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 24 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 24 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 22 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 21 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 21 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 20 |
| Nearside Front Side repeater not working |1.4.A.2c| | 20 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 19 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 19 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 19 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 18 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 17 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 17 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 17 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 16 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 15 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 15 |
| Front brake disc in such a condition that it is seriously weakened | 15 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 14 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 14 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 14 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 14 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 14 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 14 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 14 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 14 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 13 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 13 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 12 |
| Nearside Stop lamp not working |1.2.1b| | 12 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 11 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 11 |
| Nearside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 11 |
| Offside Front Position lamp not working |4.2.1 |a|| | 11 |
| Anti-lock braking system warning lamp indicates an ABS fault | 11 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 10 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 10 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 10 |
| Nearside Rear Stop lamp not working |1.2.1b| | 10 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 10 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 9 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 9 |
| Offside Side repeater not working |4.4.1 |a| |ii|| | 9 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 9 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 9 |
| Service brake: efficiency below requirements |3.7.B.7| | 8 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 8 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 8 |
| Offside Front Side repeater not working |1.4.A.2c| | 8 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 8 |
| Offside Rear Stop lamp not working |1.2.1b| | 7 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 7 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 7 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 7 |
| Offside Stop lamp not working |1.2.1b| | 7 |
| Mechanical brake component has restricted free movement | 7 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 7 |
| Windscreen has damage | 7 |
| Front brake excessively fluctuating | 7 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 7 |