| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 177 |
| Windscreen wiper does not clear the windscreen effectively | 147 |
| Brake pipe excessively corroded | 116 |
| Headlamp aim out of alignment | 81 |
| Registration plate issues | 47 |
| Anti-lock braking system warning lamp indicates an ABS fault | 39 |
| Parking brake: efficiency below requirements |3.7.B.7| | 38 |
| Brakes imbalanced across an axle | 37 |
| Offside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 36 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 35 |
| Nearside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 33 |
| Rear parking brake recording little or no effort | 21 |
| Horn not working |1.6.2a| | 19 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 16 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 15 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 15 |
| Offside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 15 |
| Brake hose excessively deteriorated | 14 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 13 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 12 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 11 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 10 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 9 |
| Front brake excessively fluctuating | 9 |
| Electronic parking brake warning indicates a malfunction |3.1.7| | 9 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 9 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 9 |
| Windscreen washer not working | 8 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 8 |
| Nearside Headlamp cleaning device inoperative |1.7.2| | 8 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 8 |
| Front brake disc in such a condition that it is seriously weakened | 8 |
| Nearside Front 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)) | 8 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 7 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Windscreen has damage | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Front 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)) | 7 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 6 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 6 |
| Headlamp cleaning device inoperative |1.7.2| | 6 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 5 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 5 |
| Offside Front brake disc excessively pitted |3.5.1h| | 5 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 5 |
| Offside Rear Tie bar/rod ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 5 |
| Offside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 5 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Rear Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 5 |
| Front brake application uneven | 5 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 5 |
| Offside Rear Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 5 |
| Brake performance not tested (1.2.1 (g)) | 5 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 5 |
| Offside Rear Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 5 |
| Nearside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 4 |
| Rear brake disc in such a condition that it is seriously weakened | 4 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 4 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 4 |
| Nearside Rear Lower Shock absorber has an excessively worn shock absorber pivot |2.7.4| | 4 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 4 |
| Offside Inner Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 4 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 4 |
| Rear brake binding | 4 |
| Nearside Rear Tie bar/rod ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Nearside Rear Shock absorber has an excessively worn shock absorber pivot |2.7.4| | 4 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 4 |
| Front Headlamp cleaning device inoperative |1.7.2| | 4 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 4 |
| Offside Rear Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Nearside Rear Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Offside Rear Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 4 |
| Drivers door cannot be opened from inside the vehicle (6.2.3 (a)) | 4 |
| Nearside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 4 |
| Nearside Rear Lower Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Windscreen wiper blade insecure | 3 |
| Nearside Rear Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Rear Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 3 |
| Offside Rear Anti-roll bar linkage insecure |2.4.G.1| | 3 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 3 |
| Offside Rear Shock absorber has an excessively worn shock absorber pivot |2.7.4| | 3 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 3 |
| Nearside Inner Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 3 |
| Nearside Rear Parking brake inoperative on one side |1.4.1 |a|| | 3 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 3 |
| Nearside Rear Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Nearside Rear Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Offside Rear Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Offside Front Position lamp not working |4.2.1 |a|| | 3 |
| Nearside Rear Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Offside Front Track rod end ball joint dust cover insecure so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 3 |
| Nearside Rear Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |