| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1373 |
| Brake pipe excessively corroded | 1073 |
| Brake hose excessively deteriorated | 954 |
| Registration plate lamp issues | 624 |
| Windscreen wiper does not clear the windscreen effectively | 574 |
| Registration plate issues | 446 |
| Anti-lock braking system warning lamp indicates an ABS fault | 369 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 327 |
| Parking brake: efficiency below requirements |3.7.B.7| | 311 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 311 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 284 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 279 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 276 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 261 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 256 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 245 |
| Rear parking brake recording little or no effort | 225 |
| Offside Stop lamp not working |1.2.1b| | 210 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 203 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 189 |
| Nearside Stop lamp not working |1.2.1b| | 188 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 184 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 179 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 172 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 165 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 153 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 148 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 146 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 143 |
| Fuel system component leaking |7.2.3| | 129 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 119 |
| Brakes imbalanced across an axle | 108 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 104 |
| Horn not working |1.6.2a| | 103 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 103 |
| Offside Rear fog lamp not working |1.3.2b| | 102 |
| Windscreen has damage | 102 |
| Service brake: efficiency below requirements |3.7.B.7| | 99 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 98 |
| Offside Rear Stop lamp not working |1.2.1b| | 95 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 95 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 95 |
| Direction indicators incorrect colour |1.4.A.2f| | 90 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 89 |
| Nearside Rear Stop lamp not working |1.2.1b| | 89 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 89 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 87 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 83 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 82 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 78 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 77 |
| Front brake disc in such a condition that it is seriously weakened | 72 |
| Nearside Side repeater not working |1.4.A.2c| | 71 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 71 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 68 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 68 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 66 |
| Rear brake binding | 64 |
| Emissions not tested |7.0| | 64 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 62 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 58 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 57 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 56 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 55 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 53 |
| Nearside Headlamp not working on main beam |1.7.5a| | 52 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 50 |
| Rear brake disc in such a condition that it is seriously weakened | 49 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 47 |
| Offside Side repeater not working |1.4.A.2c| | 47 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 47 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 47 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 46 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 46 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 45 |
| Rear brake application uneven | 45 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 45 |
| Brake hose damaged | 44 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 44 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 44 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 44 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 44 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 43 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 42 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 41 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 41 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 39 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 39 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 39 |
| Offside Headlamp not working on main beam |1.7.5a| | 38 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 37 |
| Centre Stop lamp not working |1.2.1b| | 37 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 37 |
| Nearside Front coil spring fractured |2.4.C.1a| | 36 |
| Offside Front coil spring fractured |2.4.C.1a| | 36 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 36 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 35 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 35 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 35 |
| Rear fog lamp not working |1.3.2b| | 33 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 33 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 33 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 33 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 33 |
| Front brake application uneven | 33 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 32 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 31 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 29 |
| Direction indicator incorrect colour |1.4.A.2f| | 28 |
| Side repeater incorrect colour |1.4.A.2f| | 27 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 27 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 27 |
| Offside Front coil spring broken |2.4.C.1a| | 27 |
| Offside Rear coil spring fractured |2.4.C.1a| | 27 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 27 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 27 |
| Parking brake lever has no reserve travel |3.1.6b| | 26 |
| Windscreen wiper blade insecure | 25 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 25 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 25 |
| Offside Front coil spring incomplete |2.4.C.1a| | 24 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 24 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 24 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 24 |