| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 813 |
| Windscreen wiper does not clear the windscreen effectively | 627 |
| Headlamp aim out of alignment | 453 |
| Brake pipe excessively corroded | 345 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 315 |
| Brake hose excessively deteriorated | 244 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 204 |
| Anti-lock braking system warning lamp indicates an ABS fault | 197 |
| Parking brake lever has no reserve travel |3.1.6b| | 194 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 176 |
| Registration plate issues | 165 |
| Front brake disc in such a condition that it is seriously weakened | 131 |
| Rear parking brake recording little or no effort | 117 |
| Offside Stop lamp not working |1.2.1b| | 101 |
| Parking brake: efficiency below requirements |3.7.B.7| | 101 |
| Nearside Stop lamp not working |1.2.1b| | 98 |
| Battery insecure |1.9.1| | 92 |
| Nearside Drag link end ball joint has excessive play |2.2.B.1f| | 91 |
| Offside Rear fog lamp not working |1.3.2b| | 81 |
| Centre Stop lamp not working |1.2.1b| | 79 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 78 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 78 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 77 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 72 |
| Brakes imbalanced across an axle | 69 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 62 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 53 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 52 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 52 |
| Nearside Front Upper Track rod end ball joint has excessive play |2.2.B.1f| | 52 |
| Offside Drag link end ball joint has excessive play |2.2.B.1f| | 50 |
| Nearside Front Drag link end ball joint has excessive play |2.2.B.1f| | 50 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 46 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 45 |
| Fuel system component leaking |7.2.3| | 38 |
| Nearside Rear Stop lamp not working |1.2.1b| | 38 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 37 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 36 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 36 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 34 |
| Driver`s seat insecure |6.2.A.1| | 34 |
| Windscreen has damage | 34 |
| Offside Rear Stop lamp not working |1.2.1b| | 33 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 32 |
| Service brake: efficiency below requirements |3.7.C.1a| | 32 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 30 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 29 |
| Windscreen wiper blade insecure | 29 |
| Stop lamp not working |1.2.1b| | 28 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 27 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 27 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 27 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 26 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 26 |
| Rear brake binding | 26 |
| Rear fog lamp not working |1.3.2b| | 26 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 26 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 25 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 24 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 24 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 24 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 22 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 21 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 21 |
| Rear brake application uneven | 21 |
| Offside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 21 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 20 |
| Offside Front Drag link end ball joint has excessive play |2.2.B.1f| | 20 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 20 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 20 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 20 |
| Brake performance not tested |3.7.A.1| | 20 |
| Nearside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 20 |
| Rear Mechanical brake component has restricted free movement | 19 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 19 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 19 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 18 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 18 |
| Nearside Side repeater not working |1.4.A.2c| | 18 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 18 |
| Offside Front brake disc excessively pitted |3.5.1h| | 18 |
| Offside Rear brake disc contaminated by oil |3.5.1h| | 17 |
| Service brake: efficiency below requirements |3.7.B.7| | 16 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 16 |
| Front position lamp|s| not working |1.1.A.3b| | 16 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 16 |
| Nearside Front Upper Drag link end ball joint has excessive play |2.2.B.1f| | 16 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 15 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 15 |
| Offside front brake binding |3.7.B.1| | 15 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 15 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 15 |
| Offside Side repeater not working |1.4.A.2c| | 14 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 14 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 14 |
| Offside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 14 |
| Brake hose damaged | 13 |
| Nearside Rear brake disc contaminated by oil |3.5.1h| | 13 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 13 |
| Centre Upper Stop lamp not working |1.2.1b| | 13 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 13 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Centre Rear Stop lamp not working |1.2.1b| | 12 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 12 |
| Nearside Upper Track rod end ball joint has excessive play |2.2.B.1f| | 12 |
| Offside Obligatory mirror seriously deteriorated, affecting the rear view |8.1.2a| | 12 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 12 |
| Mechanical brake component has restricted free movement | 12 |
| Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 12 |
| Offside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 12 |
| Nearside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 12 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 12 |