| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 176 |
| Headlamp aim out of alignment | 144 |
| Windscreen wiper does not clear the windscreen effectively | 132 |
| Rear brake binding | 70 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 57 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 47 |
| Parking brake: efficiency below requirements |3.7.B.7| | 45 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 44 |
| Nearside Stop lamp not working |1.2.1b| | 44 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 44 |
| Offside Stop lamp not working |1.2.1b| | 43 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 42 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 38 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 38 |
| Registration plate issues | 36 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 36 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 34 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 34 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 34 |
| Brake pipe excessively corroded | 33 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 30 |
| Rear parking brake recording little or no effort | 29 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 29 |
| Rear brake disc in such a condition that it is seriously weakened | 27 |
| Offside Front coil spring broken |2.4.C.1a| | 26 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 25 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 25 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 24 |
| Front brake disc in such a condition that it is seriously weakened | 24 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 23 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 23 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 21 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 21 |
| Brakes imbalanced across an axle | 19 |
| Anti-lock braking system warning lamp indicates an ABS fault | 18 |
| Nearside Front coil spring broken |2.4.C.1a| | 18 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 17 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 16 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 14 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 14 |
| Offside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Nearside Rear Stop lamp not working |1.2.1b| | 14 |
| Rear Exhaust system not adequately supported |7.1.1| | 13 |
| Offside Front coil spring fractured |2.4.C.1a| | 13 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 13 |
| Offside Rear Stop lamp not working |1.2.1b| | 13 |
| Nearside Rear coil spring broken |2.4.C.1a| | 13 |
| Offside Rear fog lamp not working |1.3.2b| | 13 |
| Offside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 13 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 12 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 12 |
| Electronic parking brake warning indicates a malfunction |3.1.7| | 12 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 11 |
| Offside Front coil spring incomplete |2.4.C.1a| | 10 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 10 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 10 |
| Offside Rear coil spring broken |2.4.C.1a| | 10 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 9 |
| Rear Mechanical brake component has restricted free movement | 9 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 9 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 9 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 9 |
| Offside Front Front constant velocity joint is insecure |2.5.C.1b| | 9 |
| Offside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 8 |
| Nearside Front coil spring fractured |2.4.C.1a| | 8 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 8 |
| Horn not working |1.6.2a| | 8 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 8 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 7 |
| Nearside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 7 |
| Windscreen has damage | 7 |
| Nearside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 7 |
| Nearside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 6 |
| Windscreen wiper blade insecure | 6 |
| Nearside Front Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 6 |
| Offside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 6 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 6 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Nearside Front All position lamps not working |1.1.A.3b| | 5 |
| Offside Rear coil spring fractured |2.4.C.1a| | 5 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 5 |
| Offside Front Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 5 |
| Front brake application uneven | 5 |
| Exhaust system not adequately supported |7.1.1| | 5 |
| Nearside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 5 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Offside Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Battery insecure |1.9.1| | 5 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 5 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 5 |
| Nearside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 5 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 5 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 4 |
| Centre Stop lamp not working |1.2.1b| | 4 |
| Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 4 |
| Offside Front Position lamp not working |4.2.1 |a|| | 4 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 4 |
| Nearside Headlamp not working on main beam |1.7.5a| | 4 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 4 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 4 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 4 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 4 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 4 |
| Offside Front constant velocity joint is insecure |2.5.C.1b| | 4 |
| Offside Front brake disc excessively pitted |3.5.1h| | 4 |
| Offside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 4 |