| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3035 |
| Registration plate lamp issues | 2700 |
| Windscreen wiper does not clear the windscreen effectively | 2560 |
| Brake pipe excessively corroded | 1262 |
| Registration plate issues | 963 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 638 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 590 |
| Parking brake: efficiency below requirements |3.7.B.7| | 561 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 375 |
| Rear parking brake recording little or no effort | 373 |
| Rear Exhaust system not adequately supported |7.1.1| | 372 |
| Nearside Headlamp not working on main beam |1.7.5a| | 350 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 326 |
| Parking brake lever has no reserve travel |3.1.6b| | 294 |
| Brakes imbalanced across an axle | 285 |
| Nearside Stop lamp not working |1.2.1b| | 276 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 258 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 248 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 248 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 237 |
| Brake hose excessively deteriorated | 236 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 234 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 227 |
| Windscreen has damage | 218 |
| Offside Stop lamp not working |1.2.1b| | 217 |
| Offside Rear fog lamp not working |1.3.2b| | 200 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 198 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 189 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 182 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 182 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 171 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 164 |
| Rear brake disc in such a condition that it is seriously weakened | 163 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 144 |
| Front brake disc in such a condition that it is seriously weakened | 142 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 141 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 137 |
| Offside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 123 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 119 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 117 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 117 |
| Rear fog lamp not working |1.3.2b| | 116 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 112 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 111 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 111 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 110 |
| Nearside Rear Stop lamp not working |1.2.1b| | 108 |
| Anti-lock braking system warning lamp indicates an ABS fault | 106 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 103 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 102 |
| Exhaust system not adequately supported |7.1.1| | 99 |
| Nearside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 98 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 97 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 96 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 96 |
| Windscreen wiper blade insecure | 95 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 94 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 90 |
| Rear brake binding | 89 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 87 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 86 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 84 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 83 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 79 |
| Offside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 78 |
| Offside Rear Stop lamp not working |1.2.1b| | 78 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 76 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 75 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 75 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 74 |
| Service brake: efficiency below requirements |3.7.B.7| | 74 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 73 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 73 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 72 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 72 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 72 |
| Front brake application uneven | 71 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 69 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 66 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 66 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 65 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 64 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 63 |
| Horn not working |1.6.2a| | 62 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 62 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 61 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 61 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 61 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 61 |
| Rear Exhaust mounting missing |7.1.1b| | 60 |
| Offside Side repeater not working |1.4.A.2c| | 60 |
| Centre Stop lamp emits other than a steady red light |1.2.1e| | 58 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 57 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 57 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 56 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 56 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 56 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 55 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 55 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 55 |
| Nearside Side repeater not working |1.4.A.2c| | 55 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 55 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 54 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 54 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 54 |
| Offside Front Wheel bolt|s| missing |4.2.A.1e| | 54 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 53 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 52 |
| Battery insecure |1.9.1| | 52 |