| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 42 |
| Windscreen wiper does not clear the windscreen effectively | 34 |
| Registration plate lamp issues | 27 |
| Headlamp aim out of alignment | 15 |
| Brakes imbalanced across an axle | 11 |
| Registration plate issues | 9 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 8 |
| Rear brake binding | 6 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 5 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 4 |
| Horn not working |1.6.2a| | 3 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |
| Offside Rear fog lamp not working |1.3.2b| | 3 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 3 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 2 |
| 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| | 2 |
| Fuel cap/sealing device missing |7.2.4a| | 2 |
| Offside Front Position lamp not working |4.2.1 |a|| | 2 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 2 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 2 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 2 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 2 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Rear Shock absorbers has a serious fluid leak | 2 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 2 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Bonnet cannot be secured in the closed position |8.4.1| | 1 |
| Access panel cannot be secured in the closed position bonnet |6.4.1| | 1 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 1 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 1 |
| Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Front Tie bar/rod has excessive play in a ball joint |2.4.G.2| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Front brake application uneven | 1 |
| Rear brake application uneven | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Front brake excessively fluctuating | 1 |
| Fuel pipe leaking |7.2.3| | 1 |
| Brake pedal anti-slip provision loose |3.3.A.1b| | 1 |
| Nearside Anti-roll bar ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Anti-roll bar ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Front Valve stem seriously damaged |4.1.D.1e| | 1 |
| Offside Front Valve stem seriously damaged |4.1.D.1e| | 1 |
| Nearside Rear Valve stem seriously damaged |4.1.D.1e| | 1 |
| Offside Rear Valve stem seriously damaged |4.1.D.1e| | 1 |
| Nearside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Front front brake juddering severely |3.7.A.2b| | 1 |
| 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| | 1 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 1 |
| Steering system excessively tight |2.2.D.1| | 1 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 1 |
| Horn sound not in accordance with requirements |7.7 |c|| | 1 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Rear Valve stem seriously misaligned |4.1.D.1e| | 1 |
| Nearside Rear coil spring cracked |2.4.C.1a| | 1 |
| Front Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 1 |
| Nearside Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 1 |
| Nearside Rear Road wheel badly damaged |4.2.A.1a| | 1 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 1 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 1 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 1 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 1 |
| 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 Side repeater not working |1.4.A.2c| | 1 |
| Nearside Seat belt insecurely fixed to the seat |5.2.1a| | 1 |
| Electronic power steering warning lamp indicates a failure in the system |2.3.8| | 1 |
| Nearside Front Headlamp aim so that beam "kick up" is not visible on the screen |1.8.B.1| | 1 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| engine mounting deteriorated resulting in excessive movement rear |6.1.D.1a| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Nearside Side repeater not working |1.4.A.2c| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear Brake pipe leaking |3.6.A.1| | 1 |
| Nearside Rear Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Offside Rear Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Front position lamp|s| not working |1.1.A.3b| | 1 |
| Front Front position lamp|s| not working both |1.1.A.3b| | 1 |
| Rear Front position lamp|s| not working both |1.1.A.3b| | 1 |
| Rear fog lamp obviously incorrectly positioned |1.3.2a| | 1 |
| Offside Rear An item not tested |Manual| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Nearside Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Offside Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear Braking system leaking |3.6.A.1| | 1 |
| Offside Rear coil spring fractured |2.4.C.1a| | 1 |
| Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Front Body has a sharp edge caused by damage door mirror |6.1.C.1| | 1 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 1 |
| Nearside Upper engine mounting deteriorated resulting in excessive movement gearbox |6.1.D.1a| | 1 |
| Nearside Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Lower engine mounting deteriorated resulting in excessive movement gearbox |6.1.D.1a| | 1 |
| Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Obligatory mirror insecure |8.1.1| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Centre Rear Obligatory mirror insecure |8.1.1| | 1 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 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 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Windscreen in such a condition that visibility through swept area is seriously affected (3.2 (c) (ii)) | 1 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 1 |
| Bonnet cannot be secured in the closed position (3.1 (b) (i)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Brake hose connection leaking on a hydraulic braking system (1.1.12 (c) (ii)) | 1 |
| Supplementary Restraint System warning lamp indicates a fault (5.4.2) | 1 |
| Fuel cap/sealing device missing (6.1.3 (b) (i)) | 1 |
| Nearside Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 1 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 1 |
| Offside Rear Body panel insecure wheel cover (6.2.1 (a) (i)) | 1 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Front Exhaust system insecure at downpipe (6.1.2 (a)) | 1 |
| Emissions not tested (8.2.1.2 (d)) | 1 |
| Front Headlamp light source and lamp not compatible both sides, hid or led light bulbs fitted (4.1.4 (c)) | 1 |
| Front Headlamp aim projected beam image is obviously incorrect both sides (4.1.2 (c)) | 1 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Lower Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Front Undertray likely to become detached (6.2.1 (a) (ii)) | 1 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Offside Rear Brake valve leaking Cylinder (1.1.7 (d) (i)) | 1 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Offside Front Brake pipe at imminent risk of failure or fracture (1.1.11 (a)) | 1 |
| Nearside Rear Brake pipe at imminent risk of failure or fracture (1.1.11 (a)) | 1 |
| Offside Rear Brake pipe at imminent risk of failure or fracture (1.1.11 (a)) | 1 |
| Nearside Brake pipe at imminent risk of failure or fracture front to rear (1.1.11 (a)) | 1 |
| Nearside Front Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) | 1 |
| Offside Brake pipe leaking on a hydraulic braking system front to rear (1.1.11 (b) (ii)) | 1 |
| Brake performance not tested leaking (1.2.1 (g)) | 1 |
| Emissions not tested leaking (8.2.1.2 (d)) | 1 |
| Nearside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Offside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 1 |
| Offside Rear Shock absorbers has a serious fluid leak | 1 |
| Nearside Rear Position lamp lens seriously defective (4.2.1 (b)) | 1 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 1 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |