| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 645 |
| Windscreen wiper does not clear the windscreen effectively | 376 |
| Registration plate lamp issues | 216 |
| Rear brake binding | 146 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 113 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 107 |
| Offside Stop lamp not working |1.2.1b| | 105 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 102 |
| Offside Rear coil spring broken |2.4.C.1a| | 96 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 92 |
| Nearside Stop lamp not working |1.2.1b| | 92 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 90 |
| Nearside Rear coil spring broken |2.4.C.1a| | 88 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 84 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 84 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 76 |
| Brake hose excessively deteriorated | 59 |
| Registration plate issues | 57 |
| Nearside Rear Stop lamp not working |1.2.1b| | 55 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 54 |
| Offside Rear Stop lamp not working |1.2.1b| | 53 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 53 |
| Anti-lock braking system warning lamp indicates an ABS fault | 52 |
| Brakes imbalanced across an axle | 52 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 52 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 51 |
| Horn not working |1.6.2a| | 51 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 49 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 47 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 44 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 43 |
| Offside Rear coil spring fractured |2.4.C.1a| | 39 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 38 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 38 |
| Front brake disc in such a condition that it is seriously weakened | 35 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 34 |
| Offside Rear fog lamp not working |1.3.2b| | 33 |
| Rear fog lamp not working |1.3.2b| | 33 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 33 |
| Nearside 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| | 33 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 33 |
| Parking brake: efficiency below requirements |3.7.B.7| | 32 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 31 |
| Offside Front coil spring broken |2.4.C.1a| | 31 |
| Rear brake disc in such a condition that it is seriously weakened | 30 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 30 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 30 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 30 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 29 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 28 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 27 |
| 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| | 27 |
| 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| | 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 |
| Rear Mechanical brake component has restricted free movement | 24 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 24 |
| 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| | 24 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 24 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 24 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 24 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 23 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 23 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 23 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 23 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 22 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 22 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 21 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 21 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 20 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 19 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 19 |
| Rear fog lamp tell tale not working |1.3.1b| | 19 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 18 |
| Nearside Front coil spring broken |2.4.C.1a| | 18 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 18 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 18 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 18 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 17 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 17 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 17 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 17 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 17 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 17 |
| Windscreen washer not working | 16 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 16 |
| Nearside Rear Shock absorbers has a serious fluid leak | 16 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 16 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 16 |
| Rear parking brake recording little or no effort | 16 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 16 |
| Emissions not tested (8.2.1.2 (d)) | 15 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 14 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 13 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 13 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 13 |
| Parking brake lever has no reserve travel |3.1.6b| | 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 Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 13 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 12 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 12 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 12 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 12 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 12 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 12 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 12 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 11 |
| Rear brake application uneven | 11 |
| Offside Front Direction indicator not working |1.4.A.2c| | 11 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 10 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 10 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 10 |
| Front brake excessively fluctuating | 10 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 10 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 10 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 10 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 10 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 10 |
| Exhaust emits excessive dense blue smoke during acceleration (8.2.1.2 (g)) | 10 |