| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 630 |
| Anti-lock braking system warning lamp indicates an ABS fault | 419 |
| Headlamp aim out of alignment | 366 |
| Windscreen wiper does not clear the windscreen effectively | 183 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 173 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 160 |
| Registration plate issues | 139 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 133 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 121 |
| Front brake disc in such a condition that it is seriously weakened | 118 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 113 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 102 |
| Rear brake binding | 99 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 88 |
| Brakes imbalanced across an axle | 88 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 84 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 83 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 78 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 65 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 65 |
| Nearside Stop lamp not working |1.2.1b| | 63 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 56 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 56 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 54 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 54 |
| Parking brake: efficiency below requirements |3.7.B.7| | 52 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 51 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 49 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 46 |
| Offside Stop lamp not working |1.2.1b| | 45 |
| Offside Rear fog lamp not working |1.3.2b| | 45 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 44 |
| Windscreen washer not working | 43 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 39 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 39 |
| Rear brake disc in such a condition that it is seriously weakened | 37 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 34 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 33 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 32 |
| Nearside Rear Stop lamp not working |1.2.1b| | 31 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 30 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 30 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 29 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 29 |
| Brake pipe excessively corroded | 28 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 25 |
| Front brake excessively fluctuating | 25 |
| Electronic stability control warning lamp indicates a fault |7.12 |e|| | 24 |
| Front brake application uneven | 24 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 23 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 23 |
| Brake hose excessively deteriorated | 23 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 21 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 21 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 21 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 20 |
| Nearside Headlamp cleaning device inoperative |1.7.2| | 20 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 20 |
| Windscreen has damage | 20 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 19 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 19 |
| Offside Front coil spring broken |2.4.C.1a| | 19 |
| Offside front brake binding |3.7.B.1| | 19 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 18 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 18 |
| Brake hose has insufficient room to move | 18 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 17 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 17 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 17 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 17 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 17 |
| Nearside Front coil spring broken |2.4.C.1a| | 17 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 16 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 16 |
| Rear Mechanical brake component has restricted free movement | 16 |
| Brake hose damaged | 16 |
| 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| | 16 |
| Offside Front Position lamp not working |4.2.1 |a|| | 15 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 15 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 15 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 15 |
| Nearside Front suspension has excessive play in a lower wishbone bearing |2.5.B.1a| | 15 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 15 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 15 |
| Offside Front Lower Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 14 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 14 |
| Offside Rear Stop lamp not working |1.2.1b| | 14 |
| Service brake: efficiency below requirements |3.7.B.7| | 14 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 14 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 14 |
| Nearside Front Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 14 |
| Offside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 13 |
| Offside Front Lower Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 13 |
| Offside Front Wheel bolt|s| missing |4.2.A.1e| | 13 |
| Offside Rear Wheel bolt|s| missing |4.2.A.1e| | 13 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 13 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 13 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 13 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 13 |