| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1645 |
| Registration plate lamp issues | 1381 |
| Headlamp aim out of alignment | 1209 |
| Brake pipe excessively corroded | 424 |
| Offside Stop lamp not working |1.2.1b| | 422 |
| Brakes imbalanced across an axle | 369 |
| Nearside Stop lamp not working |1.2.1b| | 315 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 244 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 217 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 215 |
| Front brake disc in such a condition that it is seriously weakened | 182 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 159 |
| Offside Rear Stop lamp not working |1.2.1b| | 158 |
| Horn not working |1.6.2a| | 156 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 154 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 153 |
| Nearside Rear Stop lamp not working |1.2.1b| | 126 |
| Rear Exhaust system not adequately supported |7.1.1| | 123 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 123 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 120 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 106 |
| Registration plate issues | 104 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 103 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 102 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 95 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 93 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 92 |
| Horn not working (7.7 (a)) | 89 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 88 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 86 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 82 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 81 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 80 |
| Offside Front coil spring broken |2.4.C.1a| | 79 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 79 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 78 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 76 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 76 |
| Exhaust system not adequately supported |7.1.1| | 76 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 76 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 75 |
| Offside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 72 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 71 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 69 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 68 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 68 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 67 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 67 |
| Windscreen washer not working | 65 |
| Parking brake: efficiency below requirements |3.7.B.7| | 64 |
| Windscreen has damage | 64 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 63 |
| Centre Exhaust system not adequately supported |7.1.1| | 63 |
| Anti-lock braking system warning lamp indicates an ABS fault | 60 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 58 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 58 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 57 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 57 |
| Horn not working (7.7 (a) (ii)) | 55 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 55 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 52 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 52 |
| Battery insecure |1.9.1| | 51 |
| Nearside Front coil spring broken |2.4.C.1a| | 51 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 50 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 47 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 47 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 47 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 46 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 46 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 46 |
| Rear parking brake recording little or no effort | 45 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 45 |
| Horn not working |7.7 |a| |ii|| | 45 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 45 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 44 |
| Service brake: efficiency below requirements |3.7.B.7| | 43 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 42 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 42 |
| Nearside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 42 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 42 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 40 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 40 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 39 |
| Brake hose excessively deteriorated | 38 |
| Power steering component|s| leaking |2.3.3b| | 38 |
| Front brake application uneven | 36 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 36 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 36 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 36 |
| Rear brake application uneven | 35 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 35 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 34 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 34 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 33 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 33 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 33 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 32 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 32 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 32 |
| Rear Exhaust system insecure (6.1.2 (a)) | 31 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 31 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 31 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 31 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 30 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 30 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 30 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 30 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 30 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 30 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 30 |
| Offside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 30 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 30 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 29 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 29 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 28 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 27 |
| Windscreen wiper blade insecure | 27 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 26 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 26 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 26 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 26 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 26 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 26 |
| Front brake excessively fluctuating | 26 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 26 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 26 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 26 |