| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 1965 |
| Windscreen wiper does not clear the windscreen effectively | 1608 |
| Brake pipe excessively corroded | 1117 |
| Headlamp aim out of alignment | 1090 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 518 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 509 |
| Offside Stop lamp not working |1.2.1b| | 507 |
| Nearside Stop lamp not working |1.2.1b| | 448 |
| Registration plate issues | 429 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 365 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 353 |
| Brakes imbalanced across an axle | 288 |
| Offside Rear Stop lamp not working |1.2.1b| | 193 |
| Nearside Rear Stop lamp not working |1.2.1b| | 187 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 168 |
| Windscreen has damage | 153 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 149 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 138 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 136 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 134 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 132 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 131 |
| Offside Rear fog lamp not working |1.3.2b| | 127 |
| Battery insecure |1.9.1| | 122 |
| Parking brake: efficiency below requirements |3.7.B.7| | 121 |
| Parking brake lever has no reserve travel |3.1.6b| | 114 |
| Horn not working |1.6.2a| | 105 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 104 |
| Service brake: efficiency below requirements |3.7.B.7| | 103 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 103 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 102 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 97 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 92 |
| Brake hose excessively deteriorated | 89 |
| Rear parking brake recording little or no effort | 88 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 79 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 74 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 73 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 71 |
| Rear fog lamp tell tale not working |1.3.1b| | 69 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 64 |
| Rear fog lamp not working |1.3.2b| | 64 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 62 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 57 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 55 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 52 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 52 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 52 |
| Windscreen wiper blade insecure | 52 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 51 |
| Rear brake binding | 49 |
| Front brake application uneven | 48 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 44 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 44 |
| Nearside Seat belt locking mechanism does not secure or release |5.2.5a| | 44 |
| Stop lamp not working |1.2.1b| | 43 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 42 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 41 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 41 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 41 |
| Front position lamp|s| not working |1.1.A.3b| | 40 |
| Offside Front Shock absorbers has a serious fluid leak | 40 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 38 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 38 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 36 |
| Offside Headlamp insecure |1.7.3| | 36 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 35 |
| Windscreen washer not working | 35 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 34 |
| Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 33 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 33 |
| Nearside Headlamp insecure |1.7.3| | 33 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 32 |
| Offside Obligatory mirror missing |8.1.1| | 32 |
| Nearside front brake binding |3.7.B.1| | 31 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 30 |
| Nearside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 29 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 29 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 29 |
| Emissions not tested |7.0| | 29 |
| Rear Stop lamp not working |1.2.1b| | 29 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 28 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 28 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 28 |
| Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 28 |
| Front Front position lamp|s| not working |1.1.A.3b| | 28 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 28 |
| Nearside Front Shock absorbers has a serious fluid leak | 27 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 27 |
| Rear brake application uneven | 27 |
| Offside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 26 |
| Rear Exhaust system not adequately supported |7.1.1| | 26 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 26 |
| Offside Front Position lamp not working |4.2.1 |a|| | 26 |
| Rear Rear fog lamp not working |1.3.2b| | 25 |
| Nearside Obligatory mirror insecure |8.1.1| | 25 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn |5.3.4 |a| |i|| | 24 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn |5.3.4 |a| |i|| | 24 |
| Offside Obligatory mirror insecure |8.1.1| | 24 |