| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1313 |
| Registration plate lamp issues | 1122 |
| Windscreen wiper does not clear the windscreen effectively | 1113 |
| Parking brake: efficiency below requirements |3.7.B.7| | 760 |
| Brake pipe excessively corroded | 431 |
| Rear parking brake recording little or no effort | 415 |
| Brakes imbalanced across an axle | 324 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 311 |
| Offside Stop lamp not working |1.2.1b| | 289 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 272 |
| Nearside Front coil spring broken |2.4.C.1a| | 247 |
| Rear brake binding | 217 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 212 |
| Parking brake lever has no reserve travel |3.1.6b| | 199 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 194 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 191 |
| Nearside Stop lamp not working |1.2.1b| | 188 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 179 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 169 |
| Registration plate issues | 153 |
| Offside Front coil spring broken |2.4.C.1a| | 150 |
| Nearside Front coil spring fractured |2.4.C.1a| | 144 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 143 |
| Offside front brake binding |3.7.B.1| | 132 |
| Front brake disc in such a condition that it is seriously weakened | 119 |
| Rear brake disc in such a condition that it is seriously weakened | 118 |
| Offside Rear Stop lamp not working |1.2.1b| | 106 |
| Nearside front brake binding |3.7.B.1| | 102 |
| Battery insecure |1.9.1| | 101 |
| Offside Front coil spring fractured |2.4.C.1a| | 98 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 89 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 87 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 83 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 80 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 73 |
| Front brake application uneven | 72 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 71 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 65 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 65 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 64 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 63 |
| Offside Front front brake binding |3.7.B.1| | 61 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 60 |
| Nearside Headlamp insecure |1.7.3| | 59 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 58 |
| Nearside Rear Stop lamp not working |1.2.1b| | 57 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 55 |
| Rear brake application uneven | 54 |
| Centre Stop lamp not working |1.2.1b| | 51 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 50 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 50 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 49 |
| Horn not working |1.6.2a| | 48 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 48 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 48 |
| Offside Front coil spring incomplete |2.4.C.1a| | 48 |
| Mechanical brake component has restricted free movement | 47 |
| Nearside Front front brake binding |3.7.B.1| | 45 |
| Service brake: efficiency below requirements |3.7.B.7| | 44 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 43 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 42 |
| Rear Mechanical brake component has restricted free movement | 42 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 40 |
| Front brake excessively fluctuating | 40 |
| Windscreen has damage | 39 |
| Anti-lock braking system warning lamp indicates an ABS fault | 39 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 38 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 37 |
| Brake hose excessively deteriorated | 36 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 36 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 36 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 35 |
| Offside Rear fog lamp not working |1.3.2b| | 35 |
| Offside Headlamp insecure |1.7.3| | 34 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 33 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 33 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 31 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 30 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 30 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 29 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 28 |
| Nearside Front coil spring cracked |2.4.C.1a| | 28 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 27 |
| Windscreen wiper blade insecure | 27 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 27 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 27 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 27 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 26 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 26 |
| Rear fog lamp not working |1.3.2b| | 25 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 25 |
| Nearside Front Headlamp insecure |1.7.3| | 25 |
| Power steering fluid level below minimum |2.3.1| | 24 |
| Offside Front Position lamp not working |4.2.1 |a|| | 24 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 23 |
| Offside Front brake disc excessively pitted |3.5.1h| | 23 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 23 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 23 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 22 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 22 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 22 |