| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 67 |
| Windscreen wiper does not clear the windscreen effectively | 25 |
| Registration plate issues | 11 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 11 |
| Offside Front Outline marker lamp not working (4.2.1 (a) (ii)) | 6 |
| Windscreen washer not working | 6 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 5 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 4 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 4 |
| Offside Outline marker lamp not working (4.2.1 (a) (ii)) | 4 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 3 |
| Nearside Front Outline marker lamp not working (4.2.1 (a) (ii)) | 3 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 3 |
| Nearside Outline marker lamp not working (4.2.1 (a) (ii)) | 3 |
| Nearside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 3 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 3 |
| Nearside Front Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 2 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Registration plate lamp issues | 2 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Rear Upper Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Front Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Rear Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 1 |
| Offside Rear All outline marker lamps not working |4.2.1 |a| |ii|| | 1 |
| Offside Rear Body has a sharp edge caused by damage Wheel arch |6.1.C.1| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 1 |
| Driver`s airbag obviously defective Air bag warming light on |5.4.1| | 1 |
| Nearside Side repeater not working |1.4.A.2c| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Fuel system component leaking fuel filter |7.2.3| | 1 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 1 |
| Nearside Front front brake binding |3.7.B.1| | 1 |
| Offside Front front brake binding |3.7.B.1| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Outline marker lamp not working |4.2.1 |a|| | 1 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Rear Shock absorbers has a serious fluid leak | 1 |
| Offside Position lamp not working middle side marker |4.2.1 |a|| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Nearside Rear Upper Position lamp not working |4.2.1 |a|| | 1 |
| Fuel system component leaking filter |7.2.3| | 1 |
| Fuel system component leaking fitter housing |7.2.3| | 1 |
| Trailer electrical socket |13 pin| not operating the trailer lamps as intended |1.9.4| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Fuel system component leaking filter housing |7.2.3| | 1 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Horn emits two or more alternating tones |1.6.2d| | 1 |
| Horn not a continuous or uniform sound |1.6.2e| | 1 |
| Front Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Brakes imbalanced across an axle | 1 |
| All outline marker lamps not working except o/s front (4.2.1 (a) (ii)) | 1 |
| Offside Front Headlamp aim projected beam image is obviously incorrect product on lens,misted (4.1.2 (c)) | 1 |
| Emissions not tested Battery warning light on. (8.2.2.2 (e)) | 1 |
| Nearside Outline marker lamp not working Central (4.2.1 (a) (ii)) | 1 |
| Offside Front Outline marker lamp not working Forward (4.2.1 (a) (ii)) | 1 |
| Fuel system component leaking At fuel filter (6.1.3 (b) (i)) | 1 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 1 |
| Nearside Reversing lamp inoperative (4.6.1 (a)) | 1 |
| Offside Reversing lamp inoperative (4.6.1 (a)) | 1 |
| Nearside Rear All outline marker lamps not working (4.2.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image is obviously incorrect dampness/ condensation between lens and protector (4.1.2 (c)) | 1 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 1 |
| Nearside Parking (secondary brake) on a single line braking system has inadequate effort at a wheel (1.3.1 (a) (i)) | 1 |
| Reversing lamp inoperative (4.6.1 (a)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Nearside Rear Upper Outline marker lamp not working (4.2.1 (a)) | 1 |
| Nearside Outline marker lamp not working (4.2.1 (a)) | 1 |
| Offside Outline marker lamp not working (4.2.1 (a)) | 1 |
| Engine MIL inoperative or indicates a malfunction lamp on (8.2.2.2 (g)) | 1 |
| Power steering pipe/hose leaking pipe at rack (2.1.5 (a)) | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect product on lense (4.1.2 (c)) | 1 |
| Offside Rear Leaf spring fractured rear off (5.3.1 (b) (i)) | 1 |
| Nearside Rear Upper All outline marker lamps not working (4.2.1 (a) (ii)) | 1 |
| Offside Rear Upper Position lamp not working (4.2.1 (a)) | 1 |
| Offside Rear Leaf spring main leaf fractured (5.3.1 (b) (ii)) | 1 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Leaf spring missing (5.3.1 (c) (i)) | 1 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Upper Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Front Upper Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Position lamp not working middle (4.2.1 (a) (ii)) | 1 |
| Nearside Front Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 1 |
| All outline marker lamps not working (4.2.1 (a) (ii)) | 1 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 1 |
| Nearside Outline marker lamp not working x2 (4.2.1 (a) (ii)) | 1 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 1 |
| Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 1 |
| Exhaust gas recirculation valve obviously defective pipe disconnected / split to actuator (8.2.2.1 (a)) | 1 |
| Drivers airbag obviously inoperative (7.1.5 (c)) | 1 |
| Nearside Front Outline marker lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Power steering component leaking pipe from rack (2.1.5 (a)) | 1 |
| Nearside All outline marker lamps not working (4.2.1 (a) (ii)) | 1 |
| Offside All outline marker lamps not working (4.2.1 (a) (ii)) | 1 |
| Nearside Front Upper All outline marker lamps not working outer (4.2.1 (a) (ii)) | 1 |
| Offside Front Upper All outline marker lamps not working outer (4.2.1 (a) (ii)) | 1 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 1 |
| Nearside Front Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 1 |
| Offside Front Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 1 |
| Rear Stop lamp(s) remains on when the brakes are released On bike rack (4.3.2 (a) (iii)) | 1 |
| Central Outline marker lamp not working (4.2.1 (a) (ii)) | 1 |
| Outline marker lamp not working 2 near side and 1 off side. (4.2.1 (a) (ii)) | 1 |
| Nearside Rear Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.2.1 (b)) | 1 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Offside Rear Inner Leaf spring to axle fixing bolt insecure bolt nut missing (5.3.1 (a) (i)) | 1 |
| Rear Trailer electrical socket wiring insulation damaged or deteriorated and likely to cause a short-circuit (4.10 (b) (ii)) | 1 |
| Rear brake application uneven | 1 |
| Fuel system component leaking filter leaking (7.2.3) | 1 |
| Oil leaking continuously from engine posing a serious risk to road safety (8.4.1 (a) (ii)) | 1 |
| Fuel system component leaking excessively or a risk of fire filter (6.1.3 (b) (ii)) | 1 |
| Trailer electrical socket (13 pin) not functioning at all (4.10 (c) (ii)) | 1 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Direction indicator incorrect colour both rear (4.4.3 (a)) | 1 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Front Lower Power steering pipe/hose leaking Lower pipe to steering rack (2.1.5 (a)) | 1 |
| Nearside Front Lower Suspension arm pin or bush excessively worn Rearmost (5.3.4 (a) (i)) | 1 |
| Offside Front Lower Suspension arm pin or bush excessively worn Rearmost (5.3.4 (a) (i)) | 1 |
| Nearside Front All direction indicators incorrect colour (4.4.3 (a)) | 1 |
| Nearside Front Outer Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |