| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 64 |
| Windscreen wiper does not clear the windscreen effectively | 27 |
| Registration plate lamp issues | 11 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 8 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 8 |
| Rear parking brake recording little or no effort | 8 |
| Nearside Side repeater not working |1.4.A.2c| | 7 |
| Offside Side repeater not working |1.4.A.2c| | 7 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 7 |
| Offside Stop lamp not working |1.2.1b| | 6 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 6 |
| Windscreen has damage | 6 |
| Nearside Stop lamp not working |1.2.1b| | 6 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 5 |
| Parking brake: efficiency below requirements |3.7.B.7| | 5 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 4 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 4 |
| Rear brake binding | 4 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 4 |
| Anti-lock braking system warning lamp indicates an ABS fault | 4 |
| Registration plate issues | 4 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Offside Front drive shaft coupling is excessively worn |2.5.C.1c| | 3 |
| Offside Front Side repeater not working |1.4.A.2c| | 3 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 3 |
| Offside Outer Front drive shaft coupling is excessively worn |2.5.C.1c| | 3 |
| Offside Front coil spring broken |2.4.C.1a| | 3 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 3 |
| Offside Headlamp not working on main beam |1.7.5a| | 3 |
| Offside Side repeater not working |4.4.1 |a| |ii|| | 3 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 2 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Rear fog lamp not working |1.3.2b| | 2 |
| Electronic stability control warning lamp indicates a fault |7.12 |e|| | 2 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Fuel system component leaking |7.2.3| | 2 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Windscreen washer not working | 2 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 2 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 2 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 2 |
| Offside Rear Rear fog lamp not working |4.5.1 |a| |ii|| | 2 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 2 |
| Brake pipe excessively corroded | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 1 |
| Nearside Rear position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Power steering fluid level below minimum |2.3.1| | 1 |
| Power steering component|s| leaking |2.3.3b| | 1 |
| Offside Front Brake hose leaking on a hydraulic braking system (1.1.12 (c) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Nearside Front drive shaft coupling is excessively worn |2.5.C.1c| | 1 |
| Trailer electrical socket wiring insulation damaged or deteriorated and likely to cause a short-circuit |4.10 |b| |ii|| | 1 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 1 |
| Front position lamp|s| not working both |1.1.A.3b| | 1 |
| Nearside Front Outer Drive shaft joint excessively worn (6.1.7 (c) (i)) | 1 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 1 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 1 |
| Nearside Front Upper Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Battery insecure and likely to cause a short circuit |4.13 |a| |ii|| | 1 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 1 |
| Nearside Rear Suspension arm pin or bush excessively worn boomerang |5.3.4 |a| |i|| | 1 |
| Offside Rear Suspension arm pin or bush excessively worn boomerang |5.3.4 |a| |i|| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users too high |1.8.A.1a| | 1 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Reversing lamp inoperative (4.6.1 (a)) | 1 |
| Offside Reversing lamp inoperative (4.6.1 (a)) | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 1 |
| Exhaust emissions exceed default limit of 1.5m-1 |8.2.2.2 |b|| | 1 |
| Nearside Front Brake hose leaking on a hydraulic braking system (1.1.12 (c) (ii)) | 1 |
| Offside Side repeater not working lens and bulb missing |1.4.A.2c| | 1 |
| Headlamp aim beam image kick up to the offside (1.8) | 1 |
| Offside Side repeater not working (1.4.A.2c) | 1 |
| Parking brake: efficiency below requirements (3.7.C.1b) | 1 |
| Front Shock absorbers has a serious fluid leak steering damper |5.3.2 |b|| | 1 |
| Nearside Front Outer Prop shaft joint so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Drivers view of the road through the swept area of the windscreen significantly affected by an obstruction sun visser does not stay up (3.1 (a) (ii)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Drive shaft bearing excessively worn (6.1.7 (b) (i)) | 1 |
| Nearside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear fog lamp does not emit a steady red light damaged (4.5.4 (a)) | 1 |
| Oil leaking excessively from transmission (8.4.1 (a) (i)) | 1 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Upper Drag link end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen both lights |4.1.2 |a|| | 1 |
| Front Headlamp aim not tested both front |4.1.2 |b|| | 1 |
| Nearside Front Outer Drive shaft flexible coupling excessively deteriorated universal joint has excessive play |6.1.7 |d| |i|| | 1 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Offside Rear All direction indicators incorrect colour |4.4.3 |a|| | 1 |
| Nearside Front Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 1 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Nearside Outer Front drive shaft coupling is excessively worn |2.5.C.1c| | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 1 |
| Brake fluid contaminated |1.8 |a|| | 1 |
| Nearside Front Drive shaft joint excessively worn (6.1.7 (c) (i)) | 1 |
| Offside Front Drive shaft joint excessively worn (6.1.7 (c) (i)) | 1 |
| Nearside Front Upper Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Body component insecure (6.2.1 (a) (i)) | 1 |
| Offside Front Body component insecure (6.2.1 (a) (i)) | 1 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Brake drum contaminated DUE TO HALF SHAFT LEAKING OIL (1.1.14 (b)) | 1 |
| Position lamp not working both front side lights (4.2.1 (a) (ii)) | 1 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Service brake excessively binding suspect shoes adrift (1.2.1 (f)) | 1 |
| Nearside Front Outer Drive shaft bearing likely to break up (6.1.7 (b) (ii)) | 1 |
| Central Rear Seat belt pretensioner deployed Seat Belt Inoperative. (7.1.4 (a)) | 1 |
| Direction indicator incorrect colour Both Rear (4.4.3 (a)) | 1 |
| Nearside Front Front drive shaft coupling is excessively worn |2.5.C.1c| | 1 |
| Offside Front Front drive shaft coupling is excessively worn |2.5.C.1c| | 1 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Offside Front Drive shaft joint so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Electrical wiring insecure and in contact with sharp edges over battery |4.11 |a| |ii|| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Brakes imbalanced across an axle | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Headlamp aim not tested (4.1.2 (b)) | 1 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Direction indicator incorrect colour bothside |1.4.A.2f| | 1 |
| Nearside Front Side repeater adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Front constant velocity joint is excessively worn |2.5.C.1b| | 1 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Rear reflector excessively damaged so that its function is impaired |1.5.1c| | 1 |
| Front Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 1 |
| Parking brake operation is causing the vehicle to swerve to the nearside parking brake not working on o/side and performance low on n/side (1.4.1 (a) (i)) | 1 |
| Nearside Side repeater lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Nearside Front position lamp|s| missing |1.1.A.3a| | 1 |
| Offside Front position lamp|s| missing |1.1.A.3a| | 1 |
| Offside Front Upper Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Offside Front Front constant velocity joint is excessively worn |2.5.C.1b| | 1 |
| Nearside Rear Road wheel fixing missing |5.2.1 |a| |i|| | 1 |
| Brake lever not releasing correctly and functionality of brakes affected causing offside rear to bind |1.1.2 |b| |ii|| | 1 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Central Front Power steering pipe/hose leaking |2.1.5 |a|| | 1 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Central Stop lamp not working |1.2.1b| | 1 |
| Offside Front Outer Front drive shaft coupling is excessively worn |2.5.C.1c| | 1 |
| Fuel system component leaking Fuel filter area |7.2.3| | 1 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 1 |
| Offside Rear Parking |secondary brake| on a single line braking system grabbing severely |1.3.1 |c|| | 1 |
| Nearside Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |
| Parking brake lever is not capable of being maintained in operation by direct mechanical action only (1.1.6 (f)) | 1 |
| Offside Stop lamp emits other than a steady red light |1.2.1e| | 1 |
| Offside Front Brake hose excessively damaged |3.6.B.4d| | 1 |
| Brake hose has insufficient room to move | 1 |
| Nearside Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Headlamp insecure |4.1.1 |c|| | 1 |
| Nearside Front Side repeater not working |1.4.A.2c| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Offside Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Front Power steering pipe|s| or hose|s| leaking |2.3.3b| | 1 |
| Offside Rear Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 1 |
| rear parking |secondary| brakes imbalanced | 1 |
| Offside Front position lamp|s| has a product on the lens so it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Nearside Rear Brake hose twisted |3.6.B.4c| | 1 |
| Offside Rear Braking system leaking |3.6.A.1| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Front Outer Drive shaft joint excessively worn |6.1.7 |c| |i|| | 1 |
| Nearside Drag link end ball joint has excessive play |2.1.3 |b| |i|| | 1 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Horn not working |1.6.2a| | 1 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 1 |
| Parking brake inoperative on one side LOW EFFORT BOTH SIDES (1.4.1 (a)) | 1 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Offside Rear Anti-roll bar linkage pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Nearside Rear Lower Suspension component pin or bush excessively worn Shock absorber bush |5.3.4 |a| |i|| | 1 |
| Nearside Front Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Offside Front Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Nearside Rear Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Offside Rear Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Nearside Front Anti-roll bar linkage insecurely attached |5.3.3 |a| |i|| | 1 |