| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 1016 |
| Windscreen wiper does not clear the windscreen effectively | 610 |
| Headlamp aim out of alignment | 554 |
| Brake pipe excessively corroded | 456 |
| Brake hose excessively deteriorated | 359 |
| Horn not working |1.6.2a| | 329 |
| Service brake: efficiency below requirements |3.7.B.7| | 275 |
| Brakes imbalanced across an axle | 200 |
| Registration plate issues | 196 |
| Offside Stop lamp not working |1.2.1b| | 180 |
| Parking brake: efficiency below requirements |3.7.B.7| | 177 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 158 |
| Nearside Stop lamp not working |1.2.1b| | 145 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 138 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 126 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 104 |
| Rear parking brake recording little or no effort | 102 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 95 |
| Offside Rear fog lamp not working |1.3.2b| | 92 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 91 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 88 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 87 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 84 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 81 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 79 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 68 |
| Rear fog lamp not working |1.3.2b| | 65 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 65 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 63 |
| Offside Rear coil spring broken |2.4.C.1a| | 63 |
| Brake hose damaged | 62 |
| Windscreen has damage | 61 |
| Offside Rear Stop lamp not working |1.2.1b| | 59 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 59 |
| Emissions not tested |7.0| | 58 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 55 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 54 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 53 |
| Rear brake disc in such a condition that it is seriously weakened | 52 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 51 |
| Brake load sensing valve linkage seized |3.6.E.3| | 50 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 50 |
| Nearside Rear Stop lamp not working |1.2.1b| | 48 |
| Front Brake cable has wires broken and is significantly weakened |3.5.1b| | 47 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 47 |
| Rear brake binding | 47 |
| Horn not working (7.7 (a) (ii)) | 46 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 46 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 46 |
| Brake load sensing valve seized |3.6.E.3| | 43 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 42 |
| Nearside Rear coil spring broken |2.4.C.1a| | 42 |
| Windscreen washer not working | 40 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 40 |
| Horn not working |7.7 |a| |ii|| | 38 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 37 |
| Offside Steering rack gaiter split |2.2.D.2d| | 36 |
| Offside Rear coil spring fractured |2.4.C.1a| | 35 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 35 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 35 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 34 |
| Front brake disc in such a condition that it is seriously weakened | 34 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 33 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 32 |
| Brake hose has insufficient room to move | 32 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 31 |
| Horn not working (7.7 (a)) | 31 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 30 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 29 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 28 |
| Centre Brake cable has wires broken and is significantly weakened |3.5.1b| | 28 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 27 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 27 |
| Windscreen wiper blade insecure | 26 |
| Steering rack insecure |2.2.B.1a| | 26 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 25 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 25 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 25 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 24 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 24 |
| Rear brake application uneven | 24 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 24 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 23 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 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)) | 22 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 22 |
| Offside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 21 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 21 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 21 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 21 |
| Rear Brake load sensing valve seized |3.6.E.3| | 21 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 21 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 21 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 21 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 21 |
| Steering column top bearing excessively worn |2.1.2c| | 21 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 20 |
| Exhaust system not adequately supported |7.1.1| | 20 |
| 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| | 19 |
| Nearside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 19 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 19 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 19 |
| Offside Front Position lamp not working |4.2.1 |a|| | 19 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 19 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 19 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 19 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 19 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 19 |
| 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| | 18 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 18 |
| 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| | 18 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 18 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 18 |
| Fuel system component leaking |7.2.3| | 17 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 17 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 17 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 17 |
| Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 17 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 17 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 17 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 17 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 17 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 16 |
| Emissions not tested (8.2.2.2 (e)) | 16 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 16 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 16 |
| Front Exhaust system not adequately supported |7.1.1| | 16 |
| Battery insecure |1.9.1| | 15 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 15 |
| 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| | 15 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 15 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 15 |
| Nearside Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 15 |
| Central Exhaust has a major leak of exhaust gases |7.1.2| | 15 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 15 |