| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1333 |
| Windscreen wiper does not clear the windscreen effectively | 681 |
| Registration plate lamp issues | 545 |
| Parking brake: efficiency below requirements |3.7.B.7| | 392 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 392 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 386 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 338 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 267 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 266 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 261 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 239 |
| Rear parking brake recording little or no effort | 236 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 207 |
| Registration plate issues | 128 |
| Nearside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 120 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 120 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 118 |
| Brakes imbalanced across an axle | 118 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 116 |
| Front brake disc in such a condition that it is seriously weakened | 103 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 98 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 94 |
| Offside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 94 |
| Horn not working |1.6.2a| | 88 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 87 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 83 |
| Exhaust system not adequately supported |7.1.1| | 82 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 81 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 81 |
| Centre Exhaust system not adequately supported |7.1.1| | 72 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 70 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 70 |
| Nearside Headlamp not working on main beam |1.7.5a| | 68 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 67 |
| Rear brake binding | 66 |
| Offside Stop lamp not working |1.2.1b| | 62 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 61 |
| Parking brake lever has no reserve travel |3.1.6b| | 61 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 56 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 55 |
| Nearside Stop lamp not working |1.2.1b| | 54 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 53 |
| Rear brake disc in such a condition that it is seriously weakened | 51 |
| Anti-lock braking system warning lamp indicates an ABS fault | 48 |
| Battery insecure |1.9.1| | 47 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 47 |
| Windscreen has damage | 47 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 46 |
| Rear Exhaust system not adequately supported |7.1.1| | 45 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 45 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 45 |
| Brake pipe excessively corroded | 43 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 41 |
| Windscreen wiper blade insecure | 39 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 38 |
| Brake hose excessively deteriorated | 38 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 36 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 36 |
| Offside Rear fog lamp not working |1.3.2b| | 36 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 35 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 34 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 34 |
| Front position lamp|s| not working |1.1.A.3b| | 32 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 32 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 31 |
| Fuel system component leaking |7.2.3| | 30 |
| Offside Headlamp not working on main beam |1.7.5a| | 30 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 29 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 28 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 26 |
| Rear fog lamp not working |1.3.2b| | 24 |
| Offside Upper Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 24 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 24 |
| Front brake excessively fluctuating | 23 |
| Rear Brake cable insecure | 23 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 22 |
| Driver`s airbag obviously defective |5.4.1| | 22 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 22 |
| Windscreen washer not working | 21 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 21 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 21 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 21 |
| Nearside Rear Stop lamp not working |1.2.1b| | 21 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 21 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 21 |
| Nearside Front Upper Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 20 |
| Offside Front Upper Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 20 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 20 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 20 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 20 |
| Offside Front Upper Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 19 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 19 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 19 |
| Front brake application uneven | 18 |
| Offside Headlamp insecure |1.7.3| | 18 |
| Nearside Headlamp insecure |1.7.3| | 18 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 18 |
| Headlamp aim beam image obviously incorrect |1.8.A.1b| | 18 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 18 |
| Offside Front coil spring broken |2.4.C.1a| | 18 |
| Offside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 18 |
| Nearside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 17 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 17 |
| Offside Brake cable has wires broken and is significantly weakened |3.5.1b| | 17 |
| Offside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 17 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 17 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 17 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 17 |
| Offside Rear Stop lamp not working |1.2.1b| | 17 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 16 |
| Emissions not tested |7.0| | 16 |
| Offside Front Position lamp not working |4.2.1 |a|| | 16 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 16 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 16 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 16 |
| Nearside Upper Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 16 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 16 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 16 |