| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 40 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 34 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 31 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 26 |
| Windscreen wiper does not clear the windscreen effectively | 23 |
| Nearside Stop lamp not working |1.2.1b| | 21 |
| Horn not working |1.6.2a| | 20 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 15 |
| Offside Stop lamp not working |1.2.1b| | 15 |
| Brake pipe excessively corroded | 14 |
| Offside Rear fog lamp not working |1.3.2b| | 14 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 13 |
| Registration plate issues | 11 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 9 |
| Registration plate lamp issues | 8 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Service brake: efficiency below requirements |3.7.B.7| | 8 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 8 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 7 |
| Offside Rear fog lamp missing |1.3.2a| | 6 |
| Rear parking brake recording little or no effort | 6 |
| Brakes imbalanced across an axle | 6 |
| Emissions not tested |7.0| | 6 |
| Offside Front Headlamp aim beam image kick up to the offside |1.8| | 6 |
| Parking brake: efficiency below requirements |3.7.B.7| | 6 |
| Front brake disc in such a condition that it is seriously weakened | 5 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 4 |
| Rear brake application uneven | 4 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 4 |
| Offside Rear Stop lamp not working |1.2.1b| | 4 |
| Nearside Rear Stop lamp not working |1.2.1b| | 4 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 3 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.6.B1| | 3 |
| Offside Front Headlamp aim beam image kick up to the offside |1.6.B1| | 3 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 2 |
| Offside Front brake disc excessively pitted |3.5.1h| | 2 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Offside Front coil spring broken |2.4.C.1a| | 2 |
| Offside Rear coil spring broken |2.4.C.1a| | 2 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 2 |
| Offside Front Track rod end ball joint dust cover insecure so that it no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 2 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 2 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Rear Rear fog lamp emits a light other than red |1.3.2e| | 2 |
| Nearside Front Headlamps matched pair are incorrectly positioned |1.7.3| | 2 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 2 |
| Front Headlamp aim beam image kick up to the offside |1.6.B1| | 2 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 2 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 2 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Offside Rear Body has a sharp edge caused by damage |6.1.C.1| | 2 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 2 |
| Rear fog lamp tell tale not working |1.3.1b| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Nearside Front Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 2 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 2 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Rear coil spring fractured |2.4.C.1a| | 2 |
| Nearside Rear fog lamp not working |1.3.2b| | 2 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Centre Stop lamp has less than 50% of the light sources illuminating |1.2.1b| | 2 |
| Rear Rear fog lamp not working |1.3.2b| | 2 |
| Offside Rear Road wheel bead rim badly distorted |4.2.A.1a| | 2 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 2 |
| Nearside Front Side repeater not working |1.4.A.2c| | 1 |
| Offside Front Side repeater not working |1.4.A.2c| | 1 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 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 |
| Rear Direction indicator incorrect colour both rears |1.4.A.2f| | 1 |
| Side repeater incorrect colour both sides |1.4.A.2f| | 1 |
| Headlamp aim beam image obviously incorrect both sides no pattern lenses diffused |1.8.A.1b| | 1 |
| Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 1 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 1 |
| Emissions not tested |8.2.1.2 |d|| | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Rear Upper Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturer`s specified limits |8.2.1.2 |a|| | 1 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturer`s specified limits |8.2.1.2 |a|| | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 1 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 1 |
| Exhaust carbon monoxide content at idle exceeds manufacturer`s specified limits |8.2.1.2 |b|| | 1 |
| Nearside Front Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Offside Front Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Offside Rear Engine mounting excessively loose |6.1.8 |a| |ii|| | 1 |
| brake disc excessively scored |3.5.1h| | 1 |
| Offside Rear Suspension arm severely distorted |2.4.G.1| | 1 |
| Offside Rear Rear fog lamp does not emit a steady red light |1.3.2e| | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Windscreen has damage | 1 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 1 |
| Front Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Rear Rear fog lamp excessively damaged so that it is not visible from a reasonable distance |1.3.2d| | 1 |
| Headlamps matched pair are incorrectly positioned |1.7.3| | 1 |
| Nearside Front Road wheel distorted |4.2.A.1a| | 1 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Headlamp not working on main beam switch (4.1.1 (a) (ii)) | 1 |
| Offside Rear fog lamp does not emit a steady red light incorrect colour (4.5.4 (a)) | 1 |
| Speedometer cannot be illuminated. + not able to read |6.7.3| | 1 |
| Offside Lower Front suspension ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Rear fog lamp missing |1.3.2a| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.6.B1| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.6.B1| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect kick up to offside |4.1.2 |c|| | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect kick up to offside |4.1.2 |c|| | 1 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect LHD lights (4.1.2 (c)) | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect LHD lights (4.1.2 (c)) | 1 |
| Power steering component leaking damper (2.1.5 (a)) | 1 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Windscreen washer not working | 1 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Direction indicator not working |1.4.A.2c| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Exhaust engine idle speed too high |7.3.D.1| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Offside Rear fog lamp excessively damaged so that it is not visible from a reasonable distance |1.3.2d| | 1 |
| brake disc excessively pitted |3.5.1h| | 1 |
| Nearside Front front brake juddering severely |3.7.A.2b| | 1 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 1 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 1 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Offside Rear fog lamp has a product on the lens so it is not visible from a reasonable distance |1.3.2d| | 1 |
| Offside Rear fog lamp does not emit a steady red light |1.3.2e| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 1 |
| Nearside Front Drag link end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 1 |
| Nearside Rear Rear reflector obviously incorrectly positioned |1.5.1a| | 1 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Rear fog lamp does not emit a steady red light |1.3.2e| | 1 |
| Speedometer cannot be illuminated. |6.7.3| | 1 |
| Rear fog lamp tell tale missing |1.3.1b| | 1 |
| front brake juddering severely |3.7.A.2b| | 1 |
| Rear Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Nearside Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 1 |
| Offside Rear Suspension arm damaged and seriously weakened |2.4.G.1| | 1 |
| Front Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Passenger`s seat insecure |6.2.A.1| | 1 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Front Headlamp aim not tested |1.8.A.1c| | 1 |
| Offside Front Headlamp aim not tested |1.8.A.1c| | 1 |
| Offside Rear Suspension arm cracked |2.4.G.1| | 1 |
| Nearside Front Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Front brake excessively fluctuating | 1 |
| Side repeater incorrect colour |1.4.A.2f| | 1 |
| Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| rear parking |secondary| brakes imbalanced | 1 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Nearside Rear position lamp|s| insecure |1.1.A.3a| | 1 |
| Offside Rear position lamp|s| insecure |1.1.A.3a| | 1 |
| Rear Exhaust has a part missing |7.1.1a| | 1 |
| Offside Front Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Front Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Front Wheel insecure |4.2.A.1c| | 1 |
| Rear Rear fog lamp missing |1.3.2a| | 1 |
| Front Lower Ball joint has excessive play |2.2.B.1f| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Headlamp switch faulty |1.7.1| | 1 |
| Nearside Front All position lamps not working |1.1.A.3b| | 1 |
| Offside Front All position lamps not working |1.1.A.3b| | 1 |
| Offside Rear wheel cylinder leaking |3.6.A.1| | 1 |
| Offside Front Headlamps matched pair are incorrectly positioned |1.7.3| | 1 |
| Centre Stop lamp not working |1.2.1b| | 1 |