| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 413 |
| Brake pipe excessively corroded | 394 |
| Headlamp aim out of alignment | 362 |
| Registration plate lamp issues | 250 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 91 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 83 |
| Offside Front coil spring broken |2.4.C.1a| | 81 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 75 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 69 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 68 |
| Brakes imbalanced across an axle | 65 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 61 |
| Nearside Front coil spring broken |2.4.C.1a| | 54 |
| Parking brake lever has no reserve travel |3.1.6b| | 46 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 42 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 40 |
| Rear brake binding | 40 |
| Parking brake: efficiency below requirements |3.7.B.7| | 39 |
| Registration plate issues | 38 |
| Offside Front Position lamp not working |4.2.1 |a|| | 35 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 35 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 32 |
| Front brake disc in such a condition that it is seriously weakened | 32 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 30 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 30 |
| Rear brake disc in such a condition that it is seriously weakened | 29 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 28 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 27 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 26 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 25 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 24 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 24 |
| Windscreen washer not working | 24 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 23 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 21 |
| Anti-lock braking system warning lamp indicates an ABS fault | 21 |
| Rear parking brake recording little or no effort | 21 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 19 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 19 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 19 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 17 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 17 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 16 |
| Rear fog lamp not working |1.3.2b| | 16 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 15 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 15 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 15 |
| Offside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 15 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 14 |
| Offside Rear fog lamp not working |1.3.2b| | 13 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 13 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 13 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 13 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 13 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 13 |
| Offside Front Suspension arm pin or bush excessively worn front bush (5.3.4 (a) (i)) | 12 |
| Windscreen wiper blade insecure | 12 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 11 |
| Offside Front coil spring fractured |2.4.C.1a| | 11 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 11 |
| Offside Stop lamp not working |1.2.1b| | 11 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 11 |
| Nearside Stop lamp not working |1.2.1b| | 10 |
| Nearside Front Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 10 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 10 |
| Offside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Windscreen has damage | 10 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 10 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 9 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 9 |
| Service brake: efficiency below requirements |3.7.B.7| | 9 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 9 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 9 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 9 |
| Nearside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Battery insecure |1.9.1| | 9 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 9 |
| Offside Front Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) | 8 |
| Brake performance not tested (1.2.1 (g)) | 8 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Offside 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)) | 8 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 8 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 8 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 8 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 8 |
| Rear Mechanical brake component has restricted free movement | 8 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 8 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 8 |
| Nearside Front Lower Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 8 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 8 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 8 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 8 |
| Nearside Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 8 |