| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 822 |
| Registration plate lamp issues | 556 |
| Windscreen wiper does not clear the windscreen effectively | 529 |
| Brakes imbalanced across an axle | 311 |
| Headlamp aim out of alignment | 281 |
| Rear brake binding | 259 |
| Parking brake: efficiency below requirements |3.7.B.7| | 201 |
| Rear parking brake recording little or no effort | 147 |
| Registration plate issues | 130 |
| Rear Exhaust system not adequately supported |7.1.1| | 123 |
| Parking brake lever has no reserve travel |3.1.6b| | 117 |
| Service brake: efficiency below requirements |3.7.B.7| | 116 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 111 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 99 |
| Offside Stop lamp not working |1.2.1b| | 92 |
| Nearside Stop lamp not working |1.2.1b| | 88 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 82 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 82 |
| Front Exhaust system not adequately supported |7.1.1| | 78 |
| Front brake disc in such a condition that it is seriously weakened | 77 |
| Exhaust system not adequately supported |7.1.1| | 75 |
| Offside front brake binding |3.7.B.1| | 73 |
| Offside Front brake disc excessively pitted |3.5.1h| | 73 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 67 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 67 |
| Rear brake application uneven | 55 |
| Nearside front brake binding |3.7.B.1| | 54 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 48 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 47 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 46 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 44 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 44 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 44 |
| Brake hose excessively deteriorated | 36 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 35 |
| Offside Front front brake binding |3.7.B.1| | 33 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 32 |
| Centre Stop lamp not working |1.2.1b| | 32 |
| Front brake disc excessively pitted |3.5.1h| | 31 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 29 |
| Nearside Rear Stop lamp not working |1.2.1b| | 29 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 28 |
| Rear Mechanical brake component has restricted free movement | 28 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 27 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 27 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 27 |
| Windscreen wiper blade insecure | 25 |
| Offside Rear Stop lamp not working |1.2.1b| | 25 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 24 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 23 |
| Centre Exhaust system not adequately supported |7.1.1| | 22 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 20 |
| Nearside Front front brake binding |3.7.B.1| | 20 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 20 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 19 |
| Front brake application uneven | 19 |
| Offside Front coil spring fractured |2.4.C.1a| | 19 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 18 |
| Mechanical brake component has restricted free movement | 18 |
| Offside Front coil spring broken |2.4.C.1a| | 17 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 17 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 17 |
| Windscreen has damage | 16 |
| front brake binding |3.7.B.1| | 16 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 15 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 15 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 15 |
| Centre Stop lamp has less than 50% of the light sources illuminating |1.2.1b| | 15 |
| Offside Front coil spring incomplete |2.4.C.1a| | 15 |
| Stop lamp not working |1.2.1b| | 14 |
| Rear Exhaust mounting missing |7.1.1b| | 14 |
| Offside Rear fog lamp not working |1.3.2b| | 14 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 14 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 13 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Horn not working |1.6.2a| | 13 |
| Front Exhaust mounting missing |7.1.1b| | 12 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 12 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 11 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 11 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 10 |
| Bonnet cannot be secured in the closed position |8.4.1| | 10 |
| Front brake excessively fluctuating | 10 |
| Exhaust mounting missing |7.1.1b| | 9 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 9 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 9 |
| Nearside Front coil spring broken |2.4.C.1a| | 9 |
| Nearside Front brake disc excessively scored |3.5.1h| | 9 |
| Nearside Front coil spring fractured |2.4.C.1a| | 9 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 9 |