| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 7 |
| Brake hose excessively deteriorated | 3 |
| Headlamp aim out of alignment | 3 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3 |
| Registration plate lamp issues | 2 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 2 |
| Brakes imbalanced across an axle | 2 |
| Power steering component|s| leaking |2.3.3b| | 2 |
| Brake pipe excessively corroded | 2 |
| Rear parking brake recording little or no effort | 2 |
| Battery insecure |1.9.1| | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front position lamp|s| missing |1.1.A.3a| | 1 |
| Offside Front position lamp|s| missing |1.1.A.3a| | 1 |
| Nearside Rear position lamp|s| missing |1.1.A.3a| | 1 |
| Offside Rear position lamp|s| missing |1.1.A.3a| | 1 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Emissions not tested |7.0| | 1 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Brake load sensing valve seized |3.6.E.3| | 1 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Nearside Front Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Front Exhaust system not adequately supported |7.1.1| | 1 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 1 |
| Offside Rear Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Registration plate issues | 1 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Front All outline marker lamps missing (4.2.1 (a) (ii)) | 1 |
| Nearside Rear Suspension arm missing |2.4.G.1| | 1 |
| Offside Rear Suspension arm missing |2.4.G.1| | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Power steering pump leaking from a failed component |2.3.3b| | 1 |
| Brake load sensing valve linkage seized |3.6.E.3| | 1 |
| Offside Power steering component|s| leaking |2.3.3b| | 1 |
| Nearside Front Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Front brake application uneven | 1 |
| Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Centre Stop lamp has less than 50% of the light sources illuminating |1.2.1b| | 1 |