| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 2672 |
| Windscreen wiper does not clear the windscreen effectively | 1930 |
| Registration plate lamp issues | 1478 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1110 |
| Parking brake: efficiency below requirements |3.7.B.7| | 947 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 913 |
| Rear parking brake recording little or no effort | 617 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 533 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 446 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 441 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 422 |
| Brake pipe excessively corroded | 401 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 373 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 369 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 362 |
| Brakes imbalanced across an axle | 353 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 332 |
| Offside Stop lamp not working |1.2.1b| | 330 |
| Registration plate issues | 326 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 291 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 269 |
| Front brake disc in such a condition that it is seriously weakened | 256 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 252 |
| Nearside Stop lamp not working |1.2.1b| | 249 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 224 |
| Horn not working |1.6.2a| | 211 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 210 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 186 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 185 |
| Nearside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 180 |
| Rear brake binding | 170 |
| Parking brake lever has no reserve travel |3.1.6b| | 166 |
| Nearside Headlamp not working on main beam |1.7.5a| | 156 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 153 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 148 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 146 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 146 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 145 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 139 |
| Brake hose excessively deteriorated | 126 |
| Offside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 126 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 125 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 124 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 118 |
| Rear Exhaust system not adequately supported |7.1.1| | 117 |
| Offside Rear fog lamp not working |1.3.2b| | 117 |
| Exhaust system not adequately supported |7.1.1| | 115 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 114 |
| Anti-lock braking system warning lamp indicates an ABS fault | 113 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 112 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 101 |
| Offside Rear Stop lamp not working |1.2.1b| | 95 |
| Centre Exhaust system not adequately supported |7.1.1| | 90 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 87 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 85 |
| Offside Headlamp not working on main beam |1.7.5a| | 84 |
| Windscreen has damage | 83 |
| Emissions not tested |7.0| | 78 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 78 |
| Nearside Rear Stop lamp not working |1.2.1b| | 77 |
| Driver`s seat insecure |6.2.A.1| | 76 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 76 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 76 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 76 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 73 |
| Service brake: efficiency below requirements |3.7.B.7| | 73 |
| Front brake application uneven | 70 |
| Rear brake disc in such a condition that it is seriously weakened | 68 |
| Front position lamp|s| not working |1.1.A.3b| | 62 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 61 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 61 |
| Battery insecure |1.9.1| | 60 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 59 |
| Windscreen wiper blade insecure | 57 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 56 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 55 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 54 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 53 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 53 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 53 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 49 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 48 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 48 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 48 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 47 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 47 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 46 |
| Offside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 46 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 46 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 43 |
| Nearside Brake cable has wires broken and is significantly weakened |3.5.1b| | 43 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 43 |
| Windscreen washer not working | 43 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 42 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 41 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 41 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 41 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 40 |
| Offside Brake cable has wires broken and is significantly weakened |3.5.1b| | 39 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 39 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 39 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 38 |
| Nearside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 38 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 38 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 38 |
| Rear Brake cable insecure | 37 |
| Rear brake application uneven | 37 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 36 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 36 |