| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1060 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 771 |
| Brake pipe excessively corroded | 645 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 587 |
| Windscreen wiper does not clear the windscreen effectively | 535 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 526 |
| Registration plate lamp issues | 409 |
| Anti-lock braking system warning lamp indicates an ABS fault | 390 |
| Parking brake: efficiency below requirements |3.7.B.7| | 299 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 267 |
| Registration plate issues | 263 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 178 |
| Brake hose excessively deteriorated | 166 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 155 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 152 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 149 |
| Rear parking brake recording little or no effort | 138 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 116 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 116 |
| Rear fog lamp tell tale not working |1.3.1b| | 102 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 94 |
| Brakes imbalanced across an axle | 84 |
| Offside Stop lamp not working |1.2.1b| | 81 |
| Nearside Stop lamp not working |1.2.1b| | 73 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 73 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 72 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 72 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 72 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 69 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 69 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 63 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 63 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 63 |
| Windscreen has damage | 62 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 59 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 57 |
| Offside Rear fog lamp not working |1.3.2b| | 56 |
| Offside Front coil spring fractured |2.4.C.1a| | 56 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 56 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 54 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 53 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 53 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 52 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 52 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 51 |
| Rear Sub-frame corroded and seriously weakened |2.4.G.1| | 50 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 50 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 49 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 49 |
| Rear brake binding | 44 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 42 |
| Offside Rear Stop lamp not working |1.2.1b| | 41 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 41 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 41 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 41 |
| Nearside Headlamp insecure |1.7.3| | 41 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 40 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 40 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 39 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 39 |
| Offside Front coil spring broken |2.4.C.1a| | 38 |
| 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| | 37 |
| Nearside Front Seat belt retracting mechanism defective |5.2.5b| | 36 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 36 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 35 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 35 |
| Front brake application uneven | 33 |
| 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| | 32 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 32 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 31 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 31 |
| 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| | 31 |
| Front brake disc in such a condition that it is seriously weakened | 31 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 30 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 29 |
| Offside Headlamp insecure |1.7.3| | 29 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 29 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 29 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 29 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 29 |
| Nearside Front coil spring fractured |2.4.C.1a| | 28 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 27 |
| Service brake: efficiency below requirements |3.7.B.7| | 26 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 26 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 26 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 26 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 25 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 25 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 24 |
| Offside Front Direction indicator not working |1.4.A.2c| | 24 |
| Windscreen washer not working | 24 |
| Emissions not tested |7.0| | 24 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 23 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 23 |
| Nearside Rear Stop lamp not working |1.2.1b| | 23 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 21 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 21 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 21 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 21 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 21 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 21 |