| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 3604 |
| Registration plate lamp issues | 2941 |
| Windscreen wiper does not clear the windscreen effectively | 2650 |
| Headlamp aim out of alignment | 1857 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 859 |
| Brakes imbalanced across an axle | 810 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 765 |
| Offside Stop lamp not working |1.2.1b| | 642 |
| Nearside Stop lamp not working |1.2.1b| | 595 |
| Parking brake: efficiency below requirements |3.7.B.7| | 517 |
| Registration plate issues | 512 |
| Front brake disc in such a condition that it is seriously weakened | 429 |
| Rear parking brake recording little or no effort | 424 |
| Rear brake binding | 337 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 310 |
| Offside Rear Stop lamp not working |1.2.1b| | 277 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 263 |
| Parking brake lever has no reserve travel |3.1.6b| | 232 |
| Nearside Rear Stop lamp not working |1.2.1b| | 221 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 219 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 210 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 210 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 195 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 194 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 191 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 186 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 186 |
| Brake hose excessively deteriorated | 183 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 180 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 172 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 169 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 169 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 166 |
| Brake load sensing valve linkage seized |3.6.E.3| | 163 |
| Offside Front brake disc excessively pitted |3.5.1h| | 161 |
| Front brake application uneven | 158 |
| Service brake: efficiency below requirements |3.7.B.7| | 156 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 150 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 144 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 144 |
| Brake load sensing valve seized |3.6.E.3| | 124 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 114 |
| Offside Rear coil spring broken |2.4.C.1a| | 112 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 106 |
| Rear brake application uneven | 104 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 95 |
| Windscreen has damage | 94 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 93 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 90 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 88 |
| Offside Rear Trailing arm corroded and seriously weakened |2.4.G.1| | 88 |
| Windscreen wiper blade insecure | 85 |
| Offside Rear fog lamp not working |1.3.2b| | 83 |
| Battery insecure |1.9.1| | 82 |
| Nearside Rear Trailing arm corroded and seriously weakened |2.4.G.1| | 81 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 81 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 80 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 79 |
| Nearside Rear coil spring broken |2.4.C.1a| | 77 |
| Stop lamp not working |1.2.1b| | 71 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 69 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 67 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 67 |
| Offside Headlamp insecure |1.7.3| | 67 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 66 |
| Front brake disc excessively pitted |3.5.1h| | 65 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 63 |
| Nearside Headlamp insecure |1.7.3| | 58 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 58 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 58 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 58 |
| Rear Mechanical brake component has restricted free movement | 54 |
| Rear fog lamp not working |1.3.2b| | 54 |
| Horn not working |1.6.2a| | 54 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 53 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 53 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 52 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 52 |
| Nearside Front Road wheel bead rim badly distorted |4.2.A.1a| | 50 |
| Offside Rear coil spring fractured |2.4.C.1a| | 49 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 49 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 48 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 48 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 46 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 46 |
| Offside Rear Suspension arm corroded and seriously weakened |2.4.G.1| | 46 |