| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 592 |
| Headlamp aim out of alignment | 586 |
| Windscreen wiper does not clear the windscreen effectively | 504 |
| Registration plate lamp issues | 292 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 116 |
| Registration plate issues | 112 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 93 |
| Rear brake disc in such a condition that it is seriously weakened | 92 |
| Anti-lock braking system warning lamp indicates an ABS fault | 82 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 74 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 72 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 70 |
| Parking brake: efficiency below requirements |3.7.B.7| | 68 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 66 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 63 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 63 |
| Offside Stop lamp not working |1.2.1b| | 60 |
| Brakes imbalanced across an axle | 55 |
| Nearside Stop lamp not working |1.2.1b| | 51 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 48 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 47 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 46 |
| Rear brake binding | 45 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 38 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 33 |
| Rear parking brake recording little or no effort | 33 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 32 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 31 |
| Windscreen washer not working | 30 |
| Nearside Front Shock absorbers has a serious fluid leak | 30 |
| Brake hose excessively deteriorated | 29 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 29 |
| Offside Front Position lamp not working |4.2.1 |a|| | 29 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 28 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 28 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 28 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 28 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 25 |
| Front brake disc in such a condition that it is seriously weakened | 25 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 25 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 25 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 23 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 23 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 23 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 23 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 22 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 22 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 21 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 21 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 21 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 21 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 20 |
| Parking brake lever has no reserve travel |3.1.6b| | 19 |
| Offside Rear Stop lamp not working |1.2.1b| | 19 |
| Offside Front Shock absorbers has a serious fluid leak | 18 |
| Windscreen has damage | 18 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 18 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 18 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 18 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 18 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine |8.2.2.2 |b|| | 18 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 18 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 18 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 17 |
| Nearside Rear Stop lamp not working |1.2.1b| | 17 |
| Nearside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 17 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 16 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 16 |
| Nearside Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 16 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 15 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 14 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 14 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 14 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 13 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 13 |
| Rear fog lamp emits a light other than red |1.3.2e| | 12 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 12 |
| Rear fog lamp not working |1.3.2b| | 12 |
| Rear Sub-frame corroded and seriously weakened (5.3.3 (b) (i)) | 12 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 12 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 12 |
| Offside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 12 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 12 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 12 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 11 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 11 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 11 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 11 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 11 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 11 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 11 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 11 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 11 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 11 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 11 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 10 |
| Nearside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 10 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Nearside Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 10 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 10 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 10 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 10 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 10 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 10 |
| Offside Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 10 |
| Offside Side repeater not working |1.4.A.2c| | 10 |