| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 884 |
| Windscreen wiper does not clear the windscreen effectively | 826 |
| Headlamp aim out of alignment | 641 |
| Parking brake lever has no reserve travel |3.1.6b| | 524 |
| Brake pipe excessively corroded | 468 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 420 |
| Parking brake: efficiency below requirements |3.7.B.7| | 333 |
| Rear parking brake recording little or no effort | 280 |
| Brake hose excessively deteriorated | 238 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 231 |
| Front brake disc in such a condition that it is seriously weakened | 213 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 207 |
| Anti-lock braking system warning lamp indicates an ABS fault | 186 |
| Registration plate issues | 176 |
| Offside Stop lamp not working |1.2.1b| | 152 |
| Battery insecure |1.9.1| | 144 |
| Offside Rear fog lamp not working |1.3.2b| | 142 |
| Nearside Stop lamp not working |1.2.1b| | 138 |
| Centre Stop lamp not working |1.2.1b| | 126 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 108 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 107 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 101 |
| Rear brake binding | 94 |
| Rear brake disc in such a condition that it is seriously weakened | 85 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 71 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 71 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 70 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 70 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 61 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 60 |
| Nearside Rear Stop lamp not working |1.2.1b| | 60 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 59 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 59 |
| Offside Rear Stop lamp not working |1.2.1b| | 58 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 57 |
| Nearside Drag link end ball joint has excessive play |2.2.B.1f| | 56 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 56 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 55 |
| Rear fog lamp not working |1.3.2b| | 55 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 54 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 52 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 50 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 50 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 50 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 50 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 49 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 49 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 49 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 44 |
| Brakes imbalanced across an axle | 43 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 40 |
| Nearside Front Drag link end ball joint has excessive play |2.2.B.1f| | 39 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 39 |
| Offside Drag link end ball joint has excessive play |2.2.B.1f| | 39 |
| Windscreen has damage | 39 |
| Fuel system component leaking |7.2.3| | 36 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 36 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 35 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 30 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 29 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 28 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 28 |
| Nearside Rear brake disc contaminated by oil |3.5.1h| | 28 |
| Windscreen wiper blade insecure | 28 |
| Offside Front Drag link end ball joint has excessive play |2.2.B.1f| | 27 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 27 |
| Offside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 26 |
| Offside Front Position lamp not working |4.2.1 |a|| | 26 |
| Nearside Side repeater not working |1.4.A.2c| | 26 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 25 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 25 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 25 |
| Nearside Front Upper Track rod end ball joint has excessive play |2.2.B.1f| | 25 |
| Offside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 25 |
| Driver`s seat insecure |6.2.A.1| | 25 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 24 |
| Offside Rear Lower Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 24 |
| Nearside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 24 |
| Offside Rear brake disc contaminated by oil |3.5.1h| | 24 |
| Offside Obligatory mirror insecure |8.1.1| | 23 |
| Brake pedal spongy |3.3.B.1b| | 23 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 23 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 22 |
| Stop lamp not working |1.2.1b| | 22 |
| Offside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 22 |
| Offside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 21 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 21 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 21 |
| Centre Rear Stop lamp not working |1.2.1b| | 21 |
| Offside Headlamp insecure |1.7.3| | 21 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 20 |
| Nearside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 20 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 20 |
| Nearside Headlamp not working on main beam |1.7.5a| | 19 |
| Nearside Rear Lower Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 19 |
| Service brake: efficiency below requirements |3.7.C.1a| | 19 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 19 |
| Service brake: efficiency below requirements |3.7.B.7| | 19 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 19 |
| Nearside Rear Anti-roll bar linkage pin or bush excessively worn |5.3.4 |a| |i|| | 18 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 18 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 18 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 18 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 17 |
| Power steering fluid level below minimum |2.3.1| | 17 |
| Brake performance not tested |3.7.A.1| | 17 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 17 |
| Offside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 17 |