| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 2503 |
| Brake pipe excessively corroded | 2385 |
| Headlamp aim out of alignment | 2084 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1476 |
| Windscreen wiper does not clear the windscreen effectively | 1013 |
| Parking brake lever has no reserve travel |3.1.6b| | 832 |
| Rear parking brake recording little or no effort | 723 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 576 |
| Registration plate issues | 470 |
| Offside Stop lamp not working |1.2.1b| | 285 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 269 |
| Brakes imbalanced across an axle | 268 |
| Front brake disc in such a condition that it is seriously weakened | 256 |
| Nearside Stop lamp not working |1.2.1b| | 249 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 244 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 244 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 237 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 209 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 208 |
| Rear brake disc in such a condition that it is seriously weakened | 201 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 195 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 193 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 192 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 192 |
| Offside Rear coil spring broken |2.4.C.1a| | 191 |
| Offside Rear coil spring fractured |2.4.C.1a| | 187 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 177 |
| Anti-lock braking system warning lamp indicates an ABS fault | 160 |
| Rear Exhaust system not adequately supported |7.1.1| | 142 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 141 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 140 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 138 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 138 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 123 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 116 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 116 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 114 |
| Nearside Rear coil spring broken |2.4.C.1a| | 111 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 107 |
| Windscreen has damage | 106 |
| Rear brake binding | 103 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 101 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 100 |
| Offside Rear Stop lamp not working |1.2.1b| | 99 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 99 |
| Nearside Rear Stop lamp not working |1.2.1b| | 98 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 95 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 95 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 94 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 93 |
| Offside Rear fog lamp not working |1.3.2b| | 93 |
| Steering column will not lock in a fixed position |adjustable type| |2.1.2a| | 92 |
| Emissions not tested |7.0| | 89 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 88 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 88 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 86 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 82 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 79 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 77 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 76 |
| Exhaust system not adequately supported |7.1.1| | 76 |
| 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| | 76 |
| Horn not working |1.6.2a| | 69 |
| 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| | 69 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 68 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 68 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 67 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 66 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 66 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 65 |
| Offside Front brake disc excessively pitted |3.5.1h| | 65 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 64 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 63 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 62 |
| Rear brake application uneven | 62 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 61 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 60 |
| Battery insecure |1.9.1| | 60 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 57 |
| Front brake application uneven | 57 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 56 |
| Brake hose excessively deteriorated | 56 |
| 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| | 54 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 51 |
| Offside 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| | 50 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 50 |
| Service brake: efficiency below requirements |3.7.B.7| | 49 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 48 |
| Front Exhaust system not adequately supported |7.1.1| | 48 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 47 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 46 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 46 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 45 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 44 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 44 |
| Bonnet cannot be secured in the closed position |8.4.1| | 44 |
| Driver`s airbag obviously defective |5.4.1| | 41 |
| Windscreen washer not working | 41 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 41 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 40 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 39 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 39 |
| Front brake excessively fluctuating | 38 |
| Offside Front Wheel bolt|s| missing |4.2.A.1e| | 38 |
| Nearside Rear brake disc excessively scored |3.5.1h| | 37 |
| Windscreen wiper blade insecure | 37 |
| Offside Rear brake disc excessively scored |3.5.1h| | 36 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 36 |