| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 582 |
| Headlamp aim out of alignment | 473 |
| Windscreen wiper does not clear the windscreen effectively | 253 |
| Parking brake: efficiency below requirements |3.7.B.7| | 203 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 185 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 178 |
| Rear parking brake recording little or no effort | 141 |
| Brake hose excessively deteriorated | 122 |
| Rear Exhaust system not adequately supported |7.1.1| | 97 |
| Parking brake lever has no reserve travel |3.1.6b| | 88 |
| Nearside Stop lamp not working |1.2.1b| | 79 |
| Registration plate issues | 77 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 67 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 67 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 63 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 60 |
| Offside Rear fog lamp not working |1.3.2b| | 56 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 55 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 55 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 54 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 54 |
| Offside Stop lamp not working |1.2.1b| | 53 |
| Rear brake binding | 52 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 52 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 51 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 50 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 49 |
| Exhaust system not adequately supported |7.1.1| | 46 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 45 |
| Centre Exhaust system not adequately supported |7.1.1| | 44 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 44 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 42 |
| Brakes imbalanced across an axle | 41 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 39 |
| Rear fog lamp not working |1.3.2b| | 38 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 38 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 35 |
| Front brake disc in such a condition that it is seriously weakened | 35 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 33 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 33 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 32 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 31 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 31 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 31 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 30 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 29 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 29 |
| Nearside Rear Stop lamp not working |1.2.1b| | 28 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 26 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 26 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 24 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 24 |
| Anti-lock braking system warning lamp indicates an ABS fault | 24 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 22 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 21 |
| Offside Rear Stop lamp not working |1.2.1b| | 21 |
| Nearside Front Seat belt retracting mechanism defective |5.2.5b| | 21 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 21 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 21 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 21 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 21 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 20 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 19 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 19 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 19 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 19 |
| Offside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 18 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 17 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 17 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 17 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 17 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 17 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 16 |
| Offside Front Wheel bolt|s| missing |4.2.A.1e| | 16 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 16 |
| Offside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 15 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 15 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 15 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 14 |
| Nearside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 14 |
| Offside Front Direction indicator not working |1.4.A.2c| | 14 |
| Nearside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 14 |
| Front position lamp|s| not working |1.1.A.3b| | 14 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 14 |
| Rear Exhaust mounting missing |7.1.1b| | 14 |
| Centre Rear Exhaust system not adequately supported |7.1.1| | 13 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 13 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 13 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 13 |
| Windscreen wiper blade insecure | 13 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Rear brake disc in such a condition that it is seriously weakened | 12 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 12 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 12 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 12 |
| Rear brake application uneven | 12 |
| Nearside Side repeater insecure |1.4.A.2b| | 12 |
| Offside Rear Wheel bolt|s| missing |4.2.A.1e| | 12 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 11 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 11 |
| Offside Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 11 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 11 |
| Nearside Front position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 11 |
| Offside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 11 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 11 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 10 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 10 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 10 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 10 |
| Front brake application uneven | 10 |
| Offside Front position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 10 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 10 |
| Emissions not tested |7.0| | 10 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 9 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 9 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 9 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 8 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 8 |
| Nearside Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 8 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 8 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Service brake: efficiency below requirements |3.7.B.7| | 8 |
| Windscreen has damage | 8 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 8 |
| Nearside front brake binding |3.7.B.1| | 8 |
| Rear Mechanical brake component has restricted free movement | 7 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 7 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 7 |
| Nearside Front All position lamps not working |1.1.A.3b| | 7 |
| Nearside Rear coil spring broken |2.4.C.1a| | 7 |
| Nearside Front Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 7 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 7 |
| Offside Rear brake disc excessively scored |3.5.1h| | 7 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Nearside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 7 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 7 |