| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1741 |
| Windscreen wiper does not clear the windscreen effectively | 886 |
| Registration plate lamp issues | 861 |
| Offside Stop lamp not working |1.2.1b| | 462 |
| Parking brake: efficiency below requirements |3.7.B.7| | 462 |
| Rear brake binding | 439 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 399 |
| Nearside Stop lamp not working |1.2.1b| | 398 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 389 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 388 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 339 |
| Horn not working |1.6.2a| | 324 |
| Rear parking brake recording little or no effort | 262 |
| Registration plate issues | 256 |
| Rear brake disc in such a condition that it is seriously weakened | 238 |
| Brake pipe excessively corroded | 236 |
| Brakes imbalanced across an axle | 233 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 199 |
| Offside Rear Stop lamp not working |1.2.1b| | 174 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 169 |
| Nearside Rear Stop lamp not working |1.2.1b| | 156 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 153 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 151 |
| Anti-lock braking system warning lamp indicates an ABS fault | 150 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 147 |
| Front brake disc in such a condition that it is seriously weakened | 144 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 133 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 127 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 125 |
| Offside Rear coil spring broken |2.4.C.1a| | 114 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 107 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 104 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 104 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 98 |
| Windscreen has damage | 95 |
| Centre Exhaust system not adequately supported |7.1.1| | 94 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 88 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 85 |
| Nearside Rear coil spring broken |2.4.C.1a| | 83 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 80 |
| Rear Exhaust system not adequately supported |7.1.1| | 80 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 80 |
| Rear Mechanical brake component has restricted free movement | 74 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 73 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 73 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 72 |
| Offside Front coil spring broken |2.4.C.1a| | 72 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 71 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 70 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 67 |
| Offside Front coil spring incomplete |2.4.C.1a| | 66 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 65 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 63 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 63 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 61 |
| Offside Front brake disc excessively pitted |3.5.1h| | 60 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 59 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 59 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 58 |
| Offside Rear coil spring fractured |2.4.C.1a| | 57 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 56 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 54 |
| Exhaust system not adequately supported |7.1.1| | 54 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 54 |
| Windscreen wiper blade insecure | 53 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 53 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 52 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 52 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 52 |
| Rear brake application uneven | 52 |
| Offside Front coil spring fractured |2.4.C.1a| | 51 |
| Emissions not tested |7.0| | 51 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 50 |
| Brake hose damaged | 50 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 49 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 48 |
| Front brake application uneven | 47 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 46 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 44 |
| Parking brake lever has no reserve travel |3.1.6b| | 44 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 43 |
| Brake hose excessively deteriorated | 43 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 42 |
| Nearside Front coil spring broken |2.4.C.1a| | 42 |
| Offside Rear fog lamp not working |1.3.2b| | 42 |
| Battery insecure |1.9.1| | 42 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 40 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 39 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 39 |
| Offside Rear Passenger`s seat cannot be secured in the upright position. |6.2.A.2| | 38 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 38 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 36 |
| Rear brake disc excessively pitted |3.5.1h| | 33 |
| Nearside Front coil spring fractured |2.4.C.1a| | 32 |
| Nearside Headlamp insecure |1.7.3| | 32 |
| Offside Headlamp insecure |1.7.3| | 31 |
| Hazard warning switch faulty |1.4.B.1d| | 30 |
| Service brake: efficiency below requirements |3.7.B.7| | 30 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 30 |
| Stop lamp not working |1.2.1b| | 29 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 29 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 29 |
| Front brake disc excessively pitted |3.5.1h| | 29 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 28 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 28 |
| Nearside Headlamp not working on main beam |1.7.5a| | 27 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 27 |
| Front Exhaust system not adequately supported |7.1.1| | 26 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 26 |
| Nearside Front position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 26 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 26 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 25 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 25 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 25 |