| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 47 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 43 |
| Headlamp aim out of alignment | 32 |
| Windscreen wiper does not clear the windscreen effectively | 17 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 14 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 12 |
| Brakes imbalanced across an axle | 9 |
| Nearside Stop lamp not working |1.2.1b| | 7 |
| Brake hose excessively deteriorated | 7 |
| Anti-lock braking system warning lamp indicates an ABS fault | 6 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 6 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Centre Stop lamp not working |1.2.1b| | 5 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 5 |
| Parking brake: efficiency below requirements |3.7.B.7| | 5 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 5 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 5 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 5 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 4 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 3 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Windscreen washer not working | 3 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Nearside Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 3 |
| Stop lamp not working |1.2.1b| | 3 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Exhaust emissions exceed default limit of 1.5m-1 |8.2.2.2 |b|| | 3 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 3 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Rear brake binding | 2 |
| Offside front brake binding |3.7.B.1| | 2 |
| Front brake application uneven | 2 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 2 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 2 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Offside Front Lower Suspension component ball joint excessively worn |5.3.4 |a| |i|| | 2 |
| Offside Front front brake binding |3.7.B.1| | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Front Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 2 |
| Rear Stop lamp not working |1.2.1b| | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Offside rear brake excessively fluctuating |3.7.B.3| | 2 |
| Windscreen has damage | 2 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 2 |
| Speedometer cannot be illuminated. |6.7.3| | 2 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |
| Offside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Brake fluid contaminated |1.8 |a|| | 2 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 2 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 2 |
| Offside Front suspension has excessive play in an outer ball joint |2.5.B.2a| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Fuel system component leaking fuel leaking from behind the tandem pump on engine |7.2.3| | 1 |
| Centre Rear Stop lamp not working |1.2.1b| | 1 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 1 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Front Outline marker lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Lower Sub-frame ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Registration plate issues | 1 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 1 |
| Rear Service brake excessively fluctuating |1.2.1 |e|| | 1 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear brake application uneven | 1 |
| Nearside Rear Fuel pipe leaking |7.2.3| | 1 |
| Nearside Front Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Lower Suspension arm pin or bush excessively worn Back rubber wishbone bush split and worn with excess play (5.3.4 (a) (i)) | 1 |
| Offside Front Lower Suspension arm pin or bush excessively worn Back rubber wishbone bush split and worn to excess (5.3.4 (a) (i)) | 1 |
| Offside Rear Suspension arm rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Direction indicator has a product on the lens so it is not visible from a reasonable distance |1.4.A.2e| | 1 |
| Offside Front Suspension component ball joint excessively worn bottom ball joint (5.3.4 (a) (i)) | 1 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 1 |
| Upper Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear Brake pipe leaking |3.6.A.1| | 1 |
| Nearside Front Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Position lamp not working |4.2.1 |a|| | 1 |
| Rear Trailer electrical socket |13 pin| not operating the trailer lamps as intended |1.9.4| | 1 |
| Nearside Rear Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Offside Rear Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Fuel pipe leaking porous |7.2.3| | 1 |
| Electronic power steering warning lamp indicates a failure in the system |2.3.8| | 1 |
| Offside Side repeater insecure |1.4.A.2b| | 1 |
| Nearside Steering rack has excessive free play detected at the steering wheel (steering rack fitted) rack arm (2.3 (a) (i)) | 1 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Offside Front Outer Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 1 |
| Nearside Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Offside Rear Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| Brake lever has abnormal movement of levers indicating excessive wear or maladjustment |1.1.15 |f|| | 1 |
| Offside Front Upper Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Nearside rear brake excessively fluctuating |3.7.B.3| | 1 |
| Nearside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Mechanical brake component has restricted free movement | 1 |
| Offside Front Position lamp not working |4.2.1 |a| |ii|| | 1 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Offside Front Lower Suspension arm ball joint likely to become detached |5.3.4 |a| |ii|| | 1 |
| Rear Upper Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Offside Rear Rear reflector excessively damaged so that its function is impaired |1.5.1c| | 1 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Offside Front Outer Ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Lower Ball joint has excessive play OUTER |2.2.B.1f| | 1 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Rear fog lamp not working |4.5.1 |a| |ii|| | 1 |
| Emissions not tested cam belt history unknown |8.2.2.2 |e|| | 1 |
| Brake pressure/vacuum build up too slow (1.1.3 (b)) | 1 |
| Nearside Front Lower Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| brake disc in such a condition that it is seriously weakened Rear Brake Discs |3.5.1i| | 1 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 1 |
| Fuel system component insecure fuel heater |7.2.1| | 1 |
| Brake pedal has insufficient reserve travel brake pedal creeps down under pressure |1.1.2 |a|| | 1 |
| Nearside Front Anti-roll bar ball joint excessively worn droplink (5.3.4 (a) (i)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Position lamp not working |4.2.1 |a|| | 1 |
| Nearside 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 Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Emissions not tested (8.2.2.2 (e)) | 1 |
| Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt both sides |5.3.4 |b| |ii|| | 1 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement rear bush |2.4.G.2| | 1 |
| Front brake excessively fluctuating | 1 |
| Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt Both sides |5.3.4 |b| |ii|| | 1 |
| Nearside Front Lower Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Nearside Front Coil spring fractured or broken BROKEN AT TOP (5.3.1 (b) (i)) | 1 |
| Central Rear Upper Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 1 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 1 |
| Offside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| 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| | 1 |
| Nearside Rear All position lamps not working |1.1.A.3b| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Rear Vehicle structure has excessive corrosion which adversely affects braking or steering rear subframe rotten |6.1.A.1| | 1 |
| Exhaust emits excessive smoke or vapour of any colour dark black smoke |7.4.B.4| | 1 |
| Rear fog lamp not working |1.3.2b| | 1 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 1 |
| Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Front Ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 1 |
| Offside Front Suspension arm pin or bush excessively worn front bush |5.3.4 |a| |i|| | 1 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Offside Front Obligatory mirror insecure |8.1.1| | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Stop lamp not working high level |1.2.1b| | 1 |
| Front Coil spring fractured or broken both sides (5.3.1 (b) (i)) | 1 |
| Offside Front Position lamp not working |4.2.1 |a|| | 1 |
| Central Stop lamp|s| all not working |4.3.1 |a| |iii|| | 1 |
| Offside Rear Service brake grabbing severely |1.2.1 |c|| | 1 |
| Offside Rear Service brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 1 |
| Front Fuel system component leaking at filter area / pipes fuel dripping onto chassis and subframe (6.1.3 (b) (i)) | 1 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 1 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Front Fuel system component leaking |7.2.3| | 1 |
| Front Sub-frame corroded and seriously weakened |5.3.3 |b| |i|| | 1 |
| Offside Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Nearside Headlamp insecure |1.7.3| | 1 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 1 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 1 |
| Rear Body insecure and dangerous to other road users |6.1.B.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 |
| Rear fog lamp switch faulty |1.3.1a| | 1 |
| Nearside Rear Sub-frame attachment bracket/mounting likely to fail |5.3.3 |b| |ii|| | 1 |
| Offside Rear Sub-frame attachment bracket/mounting likely to fail |5.3.3 |b| |ii|| | 1 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 1 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 1 |
| Power steering fluid level below minimum |2.3.1| | 1 |
| Nearside Fuel system component insecure fuel radiator under passengers seat |7.2.1| | 1 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 1 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Drivers door does not latch securely closed (6.2.B.1a) | 1 |
| Offside Headlamp not working on dipped beam (1.7.5a) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 1 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn droplink (5.3.4 (a) (i)) | 1 |
| Offside Front Lower Steering linkage ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Rear Stop lamp(s) not working hi level (4.3.1 (a) (ii)) | 1 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 1 |
| Nearside Front Position lamp not working |4.2.1 |a| |ii|| | 1 |
| Nearside Front front brake binding |3.7.B.1| | 1 |
| Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 1 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Suspension component pin or bush excessively worn trailing arm bush (5.3.4 (a) (i)) | 1 |
| Nearside Fuel pipe insecure fuel cooler hanging down (6.1.3 (a) (i)) | 1 |