| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 172 |
| Registration plate lamp issues | 153 |
| Windscreen wiper does not clear the windscreen effectively | 141 |
| Parking brake: efficiency below requirements |3.7.B.7| | 112 |
| Rear parking brake recording little or no effort | 71 |
| Brake pipe excessively corroded | 51 |
| Brakes imbalanced across an axle | 37 |
| Registration plate issues | 37 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 32 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 31 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 22 |
| Rear brake disc in such a condition that it is seriously weakened | 21 |
| Offside Stop lamp not working |1.2.1b| | 17 |
| Rear brake binding | 16 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 14 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 12 |
| Front brake application uneven | 12 |
| Nearside Stop lamp not working |1.2.1b| | 11 |
| Front brake disc in such a condition that it is seriously weakened | 11 |
| Anti-lock braking system warning lamp indicates an ABS fault | 10 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 10 |
| Centre Stop lamp not working |1.2.1b| | 10 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 9 |
| Rear brake application uneven | 9 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 9 |
| Offside Rear Stop lamp not working |1.2.1b| | 9 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 8 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 8 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Windscreen wiper blade insecure | 8 |
| Nearside Rear Stop lamp not working |1.2.1b| | 8 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 8 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 7 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 7 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 7 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 7 |
| Windscreen has damage | 6 |
| Parking brake lever has no reserve travel |3.1.6b| | 6 |
| Front position lamp|s| not working |1.1.A.3b| | 6 |
| Service brake: efficiency below requirements |3.7.B.7| | 6 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 5 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 5 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Offside Front Shock absorbers has a serious fluid leak | 5 |
| Offside Front brake disc excessively pitted |3.5.1h| | 5 |
| Bonnet cannot be secured in the closed position |8.4.1| | 5 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 5 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 4 |
| Offside Front front brake binding |3.7.B.1| | 4 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Nearside front brake binding |3.7.B.1| | 4 |
| Brake hose excessively deteriorated | 4 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Stop lamp not working |1.2.1b| | 4 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 3 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 3 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Battery insecure |1.9.1| | 3 |
| Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 3 |
| Horn not working |1.6.2a| | 3 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 3 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 3 |
| Offside front brake binding |3.7.B.1| | 3 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 3 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Headlamp insecure |1.7.3| | 3 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 3 |
| Rear brake disc excessively pitted |3.5.1h| | 3 |
| Offside Headlamp not working on main beam |1.7.5a| | 3 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Brake pedal spongy |3.3.B.1b| | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Rear Mechanical brake component has restricted free movement | 3 |
| Rear fog lamp switch faulty |1.3.1a| | 3 |
| Nearside Front Steering locking device missing |2.2.C.1g| | 3 |
| Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Offside Side repeater not working |1.4.A.2c| | 3 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 3 |