| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 608 |
| Registration plate lamp issues | 413 |
| Headlamp aim out of alignment | 350 |
| Brake pipe excessively corroded | 147 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 129 |
| Nearside Stop lamp not working |1.2.1b| | 127 |
| Parking brake: efficiency below requirements |3.7.B.7| | 127 |
| Offside Stop lamp not working |1.2.1b| | 115 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 115 |
| Brakes imbalanced across an axle | 79 |
| Parking brake lever has no reserve travel |3.1.6b| | 79 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 65 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 64 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 58 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 56 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 51 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 50 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 48 |
| Nearside Rear Stop lamp not working |1.2.1b| | 47 |
| Registration plate issues | 45 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 45 |
| Rear parking brake recording little or no effort | 42 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 41 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 40 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 40 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 38 |
| Offside Rear Stop lamp not working |1.2.1b| | 38 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 37 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 36 |
| Windscreen washer not working | 35 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 35 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 34 |
| Rear brake binding | 34 |
| Offside Front Position lamp not working |4.2.1 |a|| | 31 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 30 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 29 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 29 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 28 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 27 |
| Front brake disc in such a condition that it is seriously weakened | 26 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 25 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 25 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 24 |
| Power steering fluid level below minimum |2.3.1| | 24 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 22 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 22 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 22 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 21 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 21 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 21 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 21 |
| Anti-lock braking system warning lamp indicates an ABS fault | 20 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 20 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 20 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 19 |
| Offside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 19 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 19 |
| Front brake excessively fluctuating | 19 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 19 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 18 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 18 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 17 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 17 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 17 |
| Front brake application uneven | 17 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 16 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 16 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 16 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 16 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 16 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 15 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 14 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 14 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 13 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 13 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 13 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 13 |
| Offside Front Direction indicator not working |1.4.A.2c| | 13 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 13 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 13 |
| Rear brake application uneven | 13 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 13 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 12 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 12 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 12 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 12 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 12 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 12 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 11 |
| Nearside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 11 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 11 |
| Offside front brake binding |3.7.B.1| | 11 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 11 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 11 |
| Nearside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 11 |
| Rear brake disc in such a condition that it is seriously weakened | 11 |
| Offside Headlamp not working on main beam |1.7.5a| | 11 |
| Nearside Headlamp not working on main beam |1.7.5a| | 11 |
| Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 11 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 10 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 10 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 10 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 10 |
| Battery insecure |1.9.1| | 10 |
| Rear Mechanical brake component has restricted free movement | 10 |
| Offside Rear coil spring broken |2.4.C.1a| | 10 |