| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 782 |
| Windscreen wiper does not clear the windscreen effectively | 493 |
| Headlamp aim out of alignment | 442 |
| Brake pipe excessively corroded | 357 |
| Brake hose excessively deteriorated | 278 |
| Horn not working |1.6.2a| | 239 |
| Parking brake: efficiency below requirements |3.7.B.7| | 218 |
| Service brake: efficiency below requirements |3.7.B.7| | 216 |
| Brakes imbalanced across an axle | 178 |
| Registration plate issues | 121 |
| Offside Stop lamp not working |1.2.1b| | 119 |
| Rear parking brake recording little or no effort | 111 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 108 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 103 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 100 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 97 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 92 |
| Nearside Stop lamp not working |1.2.1b| | 91 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 87 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 84 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 83 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 80 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 74 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 70 |
| Offside Rear fog lamp not working |1.3.2b| | 69 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 68 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 66 |
| Windscreen washer not working | 65 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 62 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 61 |
| Rear brake disc in such a condition that it is seriously weakened | 60 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 60 |
| Rear fog lamp not working |1.3.2b| | 59 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 57 |
| Emissions not tested |7.0| | 53 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 51 |
| Windscreen has damage | 49 |
| Offside Rear Stop lamp not working |1.2.1b| | 48 |
| Horn not working (7.7 (a)) | 46 |
| Offside Steering rack gaiter split |2.2.D.2d| | 45 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 44 |
| Brake load sensing valve linkage seized |3.6.E.3| | 41 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 39 |
| Horn not working |7.7 |a| |ii|| | 39 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 38 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 37 |
| Offside Rear coil spring broken |2.4.C.1a| | 37 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 36 |
| Nearside Rear Stop lamp not working |1.2.1b| | 36 |
| Rear brake binding | 35 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 34 |
| Horn not working (7.7 (a) (ii)) | 34 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 34 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 34 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 34 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 33 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 33 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 33 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 32 |
| Front Brake cable has wires broken and is significantly weakened |3.5.1b| | 31 |
| Brake load sensing valve seized |3.6.E.3| | 31 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 31 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 31 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 31 |
| Front brake disc in such a condition that it is seriously weakened | 30 |
| Brake hose damaged | 30 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 29 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 29 |
| Offside Rear coil spring fractured |2.4.C.1a| | 27 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 27 |
| Offside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 26 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 25 |
| Nearside Rear coil spring broken |2.4.C.1a| | 25 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 25 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 24 |
| Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 24 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 24 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 24 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 23 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 23 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 23 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 22 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 21 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 21 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 21 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 21 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 21 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 20 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 20 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 20 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 20 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 19 |
| Fuel system component leaking |7.2.3| | 19 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 19 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 19 |
| Battery insecure |1.9.1| | 19 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 19 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 19 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 18 |
| Brake hose has insufficient room to move | 18 |
| Centre Brake cable has wires broken and is significantly weakened |3.5.1b| | 18 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 18 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 17 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 17 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 17 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 17 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 17 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 17 |
| Rear Stop lamp not working |1.2.1b| | 16 |
| Fuel pipe leaking |7.2.3| | 16 |
| Exhaust system not adequately supported |7.1.1| | 16 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 16 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 16 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 16 |
| Steering rack insecure |2.2.B.1a| | 16 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 16 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 16 |
| Windscreen wiper blade insecure | 15 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 15 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 15 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 15 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 15 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 15 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 15 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 15 |
| Offside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 14 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 14 |
| Offside Obligatory mirror missing |8.1.1| | 14 |
| Anti-lock braking system warning lamp indicates an ABS fault | 14 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Rear Brake load sensing valve seized |3.6.E.3| | 14 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 14 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 13 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 13 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 13 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 13 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 13 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 13 |
| Nearside Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 13 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 13 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 13 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 13 |
| Offside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 13 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 13 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 13 |