| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 73 |
| Headlamp aim out of alignment | 67 |
| Windscreen wiper does not clear the windscreen effectively | 22 |
| Registration plate lamp issues | 18 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 15 |
| Brake hose excessively deteriorated | 13 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 12 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 11 |
| Registration plate issues | 11 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 10 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 9 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 9 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 9 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Parking brake: efficiency below requirements |3.7.B.7| | 8 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 7 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 7 |
| Brakes imbalanced across an axle | 7 |
| Offside Stop lamp not working |1.2.1b| | 6 |
| Anti-lock braking system warning lamp indicates an ABS fault | 6 |
| Rear parking brake recording little or no effort | 6 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 6 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 6 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Offside Front coil spring broken |2.4.C.1a| | 5 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 5 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 4 |
| Offside Rear coil spring broken |2.4.C.1a| | 4 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 4 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 4 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 4 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 4 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 4 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 4 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 4 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Offside Rear coil spring fractured |2.4.C.1a| | 4 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 3 |
| Brake pedal anti-slip provision worn smooth |1.1.2 |c|| | 3 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Nearside Rear coil spring broken |2.4.C.1a| | 3 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Rear brake binding | 3 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 3 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 3 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Windscreen has damage | 3 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 2 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Offside Front Brake hose excessively damaged |3.6.B.4d| | 2 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 2 |
| Offside Rear Wheel bolt|s| missing |4.2.A.1e| | 2 |
| Rear fog lamp not working |1.3.2b| | 2 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 2 |
| Nearside Front Upper Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 2 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 2 |
| Fuel system component leaking |7.2.3| | 2 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 2 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 2 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Rear Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) | 2 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Shock absorbers has a serious fluid leak | 2 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 2 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 2 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |
| Offside Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 2 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Offside Rear Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 2 |
| Brake hose damaged | 2 |
| Nearside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 2 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |