| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 788 |
| Registration plate lamp issues | 671 |
| Headlamp aim out of alignment | 609 |
| Brake pipe excessively corroded | 226 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 225 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 176 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 157 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 146 |
| Nearside Stop lamp not working |1.2.1b| | 126 |
| Offside Stop lamp not working |1.2.1b| | 103 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 94 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 93 |
| Front brake disc in such a condition that it is seriously weakened | 86 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 84 |
| Brakes imbalanced across an axle | 83 |
| Registration plate issues | 83 |
| Rear brake disc in such a condition that it is seriously weakened | 81 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 77 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 75 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 70 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 69 |
| Nearside Rear Stop lamp not working |1.2.1b| | 59 |
| Offside Front Position lamp not working |4.2.1 |a|| | 59 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 56 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 56 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 55 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 53 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 51 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 50 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 45 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 44 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 43 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 42 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 42 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 41 |
| Offside Rear Stop lamp not working |1.2.1b| | 41 |
| Nearside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 41 |
| Rear brake binding | 41 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 39 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 38 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 35 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 35 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 34 |
| Offside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 34 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 34 |
| Parking brake lever has no reserve travel |3.1.6b| | 33 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 32 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 32 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 32 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 31 |
| Parking brake: efficiency below requirements |3.7.B.7| | 31 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 31 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 29 |
| Nearside Rear Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 29 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 28 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 28 |
| Offside Rear Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 28 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 27 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 27 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 26 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 25 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 25 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 25 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 24 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 24 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 24 |
| Emissions not tested (8.2.1.2 (d)) | 24 |
| Offside Rear Shock absorbers has a serious fluid leak | 23 |
| Rear Sub-frame corroded and seriously weakened (5.3.3 (b) (i)) | 23 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 23 |
| Nearside Front Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 22 |
| Offside Rear Subframe mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 22 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 22 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 21 |
| Offside Front Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 21 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 21 |
| Nearside Rear Subframe mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 21 |
| Battery insecure |1.9.1| | 21 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 21 |
| Anti-lock braking system warning lamp indicates an ABS fault | 21 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 20 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 20 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 20 |
| Nearside Rear Shock absorbers has a serious fluid leak | 20 |
| Offside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 20 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 19 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 18 |
| Rear parking brake recording little or no effort | 18 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 18 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 18 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 18 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 18 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 17 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 17 |
| Brake performance not tested (1.2.1 (g)) | 17 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 17 |
| Nearside Front Suspension arm pin or bush excessively worn front bush (5.3.4 (a) (i)) | 17 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 17 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 17 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 17 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 17 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 16 |
| Offside Front Suspension arm pin or bush excessively worn front bush (5.3.4 (a) (i)) | 16 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 16 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 16 |
| Service brake: efficiency below requirements |3.7.B.7| | 16 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 16 |
| Front brake excessively fluctuating | 16 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 15 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 15 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 15 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 15 |
| Nearside Side repeater missing |1.4.A.2b| | 15 |
| Offside Side repeater missing |1.4.A.2b| | 15 |
| Windscreen wiper blade insecure | 15 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 15 |
| Windscreen washer not working | 14 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 14 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 14 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 14 |
| Offside Rear fog lamp not working |1.3.2b| | 14 |
| Offside front brake binding |3.7.B.1| | 14 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 14 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 14 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 14 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 14 |