| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 24 |
| Registration plate lamp issues | 23 |
| Headlamp aim out of alignment | 11 |
| Nearside Front Shock absorbers has a serious fluid leak | 8 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Nearside Rear Upper Shock absorbers has an excessively worn bush (5.3.2 (c)) | 6 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 6 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Offside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 5 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Brakes imbalanced across an axle | 4 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Rear Upper Shock absorbers has an excessively worn bush (5.3.2 (c)) | 3 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 3 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 3 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Rear Brake cable insecure | 3 |
| Nearside Stop lamp not working |1.2.1b| | 3 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 2 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Nearside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 2 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Front brake excessively fluctuating | 2 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Rear Exhaust silencer insecure (8.1.1 (b) (i)) | 2 |
| Rear Exhaust silencer likely to become detached (8.1.1 (b) (ii)) | 2 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Windscreen washer not working | 2 |
| Offside Rear Shock absorbers has a serious fluid leak | 2 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 1 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 1 |
| Nearside Rear Upper Suspension component pin or bush excessively worn shock absorber bush |5.3.4 |a| |i|| | 1 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Front Headlamp insecure |4.1.1 |c|| | 1 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Emissions not tested (8.2.2.2 (e)) | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Front Outer Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Front Position lamp not working both |4.2.1 |a|| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Nearside Side repeater not working |1.4.A.2c| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Exhaust system insecure Rear silencer to centre pipe clamp missing (6.1.2 (a)) | 1 |
| Reversing lamp inoperative |4.6.1 |a|| | 1 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 1 |
| Offside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 1 |
| Offside Front Shock absorbers has a serious fluid leak | 1 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 1 |
| Nearside Rear Shock absorbers has a serious fluid leak | 1 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Offside Rear Lower Shock absorbers has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Macpherson strut modified so the suspension is likely to fail other components (5.3.3 (c) (ii)) | 1 |
| Oil leaking continuously from engine posing a serious risk to road safety (8.4.1 (a) (ii)) | 1 |
| Anti-lock braking system warning lamp indicates an ABS fault | 1 |
| Nearside Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Offside Brake cable insecure |1.1.15 |c|| | 1 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 1 |
| Offside Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Offside Front Lower Suspension component ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Nearside Front Lower Suspension arm ball joint likely to become detached (5.3.4 (a) (ii)) | 1 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Offside Front Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Nearside Front Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside Front Inner Road wheel badly distorted (5.2.2 (c) (i)) | 1 |
| Nearside Front Lower Suspension arm pin or bush excessively worn lower wishbone rear bush (5.3.4 (a) (i)) | 1 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 1 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 1 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Rear Shock absorbers has an excessively worn bush both |5.3.2 |c|| | 1 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 1 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 1 |
| Rear Exhaust system insecure |6.1.2 |a|| | 1 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Nearside Front Macpherson strut insecurely attached |5.3.3 |a| |i|| | 1 |
| Registration plate issues | 1 |
| Exhaust silencer insecure rear silencer clamp missing (8.1.1 (b) (i)) | 1 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush detached (5.3.4 (a) (i)) | 1 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Front Road wheel fixing missing |5.2.1 |a| |i|| | 1 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 1 |
| Nearside Front Steering arm modified such that the steering is adversely affected steering arm worn (2.1.3 (f) (ii)) | 1 |
| Nearside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 1 |
| Nearside Rear Parking brake inoperative on one side |1.4.1 |a|| | 1 |