| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1194 |
| Brake pipe excessively corroded | 1091 |
| Registration plate lamp issues | 1049 |
| Headlamp aim out of alignment | 556 |
| Parking brake: efficiency below requirements |3.7.B.7| | 435 |
| Brakes imbalanced across an axle | 251 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 223 |
| Rear parking brake recording little or no effort | 211 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 177 |
| Registration plate issues | 146 |
| Rear brake disc in such a condition that it is seriously weakened | 117 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 113 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 100 |
| Parking brake lever has no reserve travel |3.1.6b| | 97 |
| Anti-lock braking system warning lamp indicates an ABS fault | 77 |
| Battery insecure |1.9.1| | 75 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 75 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 74 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 71 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 71 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 66 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 61 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 61 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 59 |
| Nearside Rear Seat belt retracting mechanism defective |5.2.5b| | 59 |
| Rear brake binding | 58 |
| Service brake: efficiency below requirements |3.7.B.7| | 57 |
| Front brake disc in such a condition that it is seriously weakened | 56 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 55 |
| Nearside Stop lamp not working |1.2.1b| | 50 |
| Front brake application uneven | 50 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 48 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 47 |
| Windscreen wiper blade insecure | 42 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 41 |
| Front brake excessively fluctuating | 41 |
| Rear brake application uneven | 40 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 40 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 38 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 37 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 37 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 35 |
| Nearside front brake binding |3.7.B.1| | 34 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 33 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 33 |
| 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| | 32 |
| Windscreen washer not working | 32 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 31 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 31 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 31 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 29 |
| Offside front brake binding |3.7.B.1| | 29 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 29 |
| Offside Front Position lamp not working |4.2.1 |a|| | 29 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 28 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 28 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 27 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 26 |
| 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| | 26 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 25 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 24 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 24 |
| Offside Front front brake binding |3.7.B.1| | 24 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 23 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 23 |
| Emissions not tested |7.0| | 23 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 22 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 22 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 22 |
| 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| | 22 |
| Drivers door cannot be opened from inside the vehicle (6.2.3 (a)) | 22 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 22 |
| Offside Stop lamp not working |1.2.1b| | 21 |
| Nearside Rear Stop lamp not working |1.2.1b| | 21 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 21 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 20 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 20 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 20 |
| 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| | 19 |
| Windscreen has damage | 18 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 18 |
| Nearside Front front brake binding |3.7.B.1| | 18 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 17 |
| Offside rear brake excessively fluctuating |3.7.B.3| | 17 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 16 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 16 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 16 |