| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 343 |
| Registration plate lamp issues | 204 |
| Windscreen wiper does not clear the windscreen effectively | 115 |
| Brake hose excessively deteriorated | 103 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 76 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 72 |
| Registration plate issues | 60 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 52 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 52 |
| Anti-lock braking system warning lamp indicates an ABS fault | 49 |
| Rear parking brake recording little or no effort | 48 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 48 |
| Rear brake binding | 45 |
| Nearside Side repeater not working |1.4.A.2c| | 40 |
| Parking brake: efficiency below requirements |3.7.B.7| | 40 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 38 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 37 |
| Offside Side repeater not working |1.4.A.2c| | 32 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 30 |
| Brake pipe excessively corroded | 26 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 25 |
| Nearside Stop lamp not working |1.2.1b| | 23 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 20 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 19 |
| Brakes imbalanced across an axle | 18 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 18 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 18 |
| Nearside Front Upper Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 18 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 17 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 16 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 16 |
| Offside Stop lamp not working |1.2.1b| | 16 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 16 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 15 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 15 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 15 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 15 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 15 |
| Offside Front Side repeater not working |1.4.A.2c| | 15 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Offside Rear fog lamp not working |1.3.2b| | 14 |
| Rear brake disc in such a condition that it is seriously weakened | 13 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 13 |
| Offside Front Upper Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 13 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 13 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 13 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 13 |
| Nearside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 13 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 13 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 12 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 12 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Windscreen washer not working | 12 |
| Offside Front Outer Drive shaft joint excessively worn (6.1.7 (c) (i)) | 12 |
| Nearside Front Side repeater not working |1.4.A.2c| | 12 |
| Offside Front Position lamp not working |4.2.1 |a|| | 12 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 11 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 11 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 11 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 11 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 11 |
| Offside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Offside Front Front drive shaft coupling is excessively worn |2.5.C.1c| | 10 |
| Offside Front Lower 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)) | 10 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 10 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 9 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 9 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 9 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Offside Front drive shaft coupling is excessively worn |2.5.C.1c| | 8 |
| Windscreen has damage | 8 |
| Nearside Front coil spring broken |2.4.C.1a| | 8 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 8 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 8 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Front brake disc in such a condition that it is seriously weakened | 8 |
| Rear fog lamp not working |1.3.2b| | 7 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 7 |
| Offside Rear Stop lamp not working |1.2.1b| | 7 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 6 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 6 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Fuel system component leaking |7.2.3| | 6 |
| rear parking |secondary| brakes imbalanced | 6 |
| Nearside Headlamp insecure |1.7.3| | 6 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 6 |
| Offside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 6 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 6 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 6 |
| Nearside front brake binding |3.7.B.1| | 5 |
| Nearside Front Drive shaft uj which forms part of the suspension has excessive play in a universal joint |2.4.G.4b| | 5 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Offside Outer Front drive shaft coupling is excessively worn |2.5.C.1c| | 5 |
| Nearside Front Side repeater not working |4.4.1 |a| |ii|| | 5 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 5 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 5 |
| Offside front brake binding |3.7.B.1| | 5 |
| Nearside Front drive shaft coupling is excessively worn |2.5.C.1c| | 5 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 5 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 5 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 5 |
| Offside Front Outer Drive shaft joint excessively worn |6.1.7 |c| |i|| | 5 |
| Offside Side repeater not working |4.4.1 |a| |ii|| | 5 |
| Horn not working (7.7 (a)) | 5 |
| Nearside Front Outer Drive shaft joint excessively worn (6.1.7 (c) (i)) | 5 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 5 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Brake performance not tested (1.2.1 (g)) | 5 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 5 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Offside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 4 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 4 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 4 |
| Nearside Front Front drive shaft coupling is excessively worn |2.5.C.1c| | 4 |
| Nearside Front Brake hose leaking on a hydraulic braking system (1.1.12 (c) (ii)) | 4 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Front coil spring broken |2.4.C.1a| | 4 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 4 |
| Nearside Front Outer Drive shaft joint excessively worn |6.1.7 |c| |i|| | 4 |
| Nearside Rear coil spring broken |2.4.C.1a| | 4 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Outer Front drive shaft coupling is excessively worn |2.5.C.1c| | 4 |
| Fuel system component leaking (6.1.3 (b) (i)) | 4 |
| Horn not working |1.6.2a| | 4 |
| Nearside Drag link end ball joint has excessive play (2.1.3 (b) (i)) | 4 |
| Nearside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 4 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 4 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 4 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 4 |
| Offside Front front brake binding |3.7.B.1| | 4 |
| Offside Front Direction indicator not working |1.4.A.2c| | 4 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 4 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Nearside Rear Stop lamp not working |1.2.1b| | 4 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 4 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |