| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 654 |
| Registration plate lamp issues | 482 |
| Windscreen wiper does not clear the windscreen effectively | 296 |
| Parking brake: efficiency below requirements |3.7.B.7| | 243 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 200 |
| Rear brake binding | 200 |
| Rear parking brake recording little or no effort | 199 |
| Brakes imbalanced across an axle | 180 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 173 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 173 |
| Anti-lock braking system warning lamp indicates an ABS fault | 158 |
| Nearside Stop lamp not working |1.2.1b| | 121 |
| Offside Stop lamp not working |1.2.1b| | 113 |
| Registration plate issues | 110 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 100 |
| Parking brake lever has no reserve travel |3.1.6b| | 93 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 79 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 71 |
| Front brake disc in such a condition that it is seriously weakened | 71 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 69 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 69 |
| Offside Rear coil spring broken |2.4.C.1a| | 68 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 67 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 65 |
| Brake pipe excessively corroded | 56 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 56 |
| Nearside Rear coil spring broken |2.4.C.1a| | 55 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 53 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 50 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 47 |
| Windscreen has damage | 47 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 44 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 44 |
| Offside Front coil spring broken |2.4.C.1a| | 42 |
| Offside Front coil spring incomplete |2.4.C.1a| | 42 |
| 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| | 42 |
| Rear brake application uneven | 42 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 41 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 37 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 37 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 35 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 35 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 35 |
| Nearside Front coil spring broken |2.4.C.1a| | 33 |
| Offside Front coil spring fractured |2.4.C.1a| | 33 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 32 |
| Nearside Rear Stop lamp not working |1.2.1b| | 31 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 31 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 30 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 30 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 29 |
| Rear Mechanical brake component has restricted free movement | 29 |
| Offside Rear Stop lamp not working |1.2.1b| | 29 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 27 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 26 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 26 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 25 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 25 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 25 |
| Offside Front brake disc excessively pitted |3.5.1h| | 25 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 24 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 24 |
| Stop lamp not working |1.2.1b| | 24 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 24 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 23 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 23 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 22 |
| Nearside Front coil spring fractured |2.4.C.1a| | 22 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 21 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 21 |
| 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| | 20 |
| 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| | 19 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 18 |
| 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| | 18 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 17 |
| 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| | 17 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 16 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 16 |
| Service brake: efficiency below requirements |3.7.B.7| | 16 |
| 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| | 16 |
| Front brake excessively fluctuating | 16 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 15 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 15 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 15 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 15 |
| Nearside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 15 |
| Front brake application uneven | 14 |
| Horn not working |1.6.2a| | 14 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 13 |
| Power steering malfunctioning |2.3.3a| | 13 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 13 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 13 |
| Offside Rear coil spring fractured |2.4.C.1a| | 13 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 13 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 12 |
| Offside Rear fog lamp not working |1.3.2b| | 12 |
| Hazard warning switch faulty |1.4.B.1d| | 12 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 12 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 12 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 12 |
| Parking brake lever insecure |3.1.3b| | 12 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 12 |
| Offside Rear Braking system leaking |3.6.A.1| | 12 |
| Front brake disc excessively pitted |3.5.1h| | 11 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 11 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 11 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 11 |
| Centre Stop lamp not working |1.2.1b| | 11 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 11 |
| Offside Front Anti-roll bar ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 11 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 11 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 10 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 10 |
| Rear fog lamp tell tale not working |1.3.1b| | 10 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 10 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 10 |
| Direction indicators not working |1.4.A.2c| | 10 |
| Power steering inoperative |2.3.3a| | 10 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 10 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 10 |
| Nearside Front Anti-roll bar ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 10 |
| Windscreen washer not working | 10 |
| Brake hose excessively deteriorated | 10 |