| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 32 |
| Brake pipe excessively corroded | 23 |
| Headlamp aim out of alignment | 21 |
| Parking brake: efficiency below requirements |3.7.B.7| | 17 |
| Registration plate issues | 14 |
| Registration plate lamp issues | 10 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 9 |
| Offside Stop lamp not working |1.2.1b| | 7 |
| Rear parking brake recording little or no effort | 6 |
| Rear fog lamp not working |1.3.2b| | 5 |
| Offside Rear fog lamp missing |1.3.2a| | 5 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 5 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Brakes imbalanced across an axle | 4 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 4 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 4 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Nearside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 4 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 4 |
| Nearside Stop lamp not working |1.2.1b| | 4 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 3 |
| Rear fog lamp tell tale not working |1.3.1b| | 3 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 3 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Nearside Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 3 |
| Rear fog lamp emits a light other than red |1.3.2e| | 3 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Offside Rear fog lamp not working |1.3.2b| | 3 |
| Front position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 3 |
| Windscreen washer not working | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Emissions not tested |7.0| | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Rear fog lamp missing |1.3.2a| | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Rear fog lamp switch missing |1.3.1a| | 2 |
| Offside Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 2 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Front Bumper damaged and likely to cause injury when grazed or contacted (6.1.4 (a) (i)) | 2 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Steering column has excessive movement up and down (2.2.2 (a)) | 2 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 2 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |
| Steering column top mounting bracket insecure |2.1.2d| | 2 |
| Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Exhaust carbon monoxide content at idle exceeds default limits |8.2.1.2 |b|| | 2 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 1 |
| Offside Steering rack gaiter split |2.2.D.2d| | 1 |
| Nearside Track rod end ball joint dust cover insecure so that it no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 1 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Front Front position lamp|s| obscured more than 50% |1.1.A.3c| | 1 |
| Offside Front Front position lamp|s| obscured more than 50% |1.1.A.3c| | 1 |
| Power steering pipe|s| or hose|s| leaking reservoir |2.3.3b| | 1 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 1 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 1 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 1 |
| Offside Front Inner Hydraulic fluid leaking continuously posing a serious risk to road safety brake pipe (8.4.1 (a) (ii)) | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Steering rack insecure |2.2.B.1a| | 1 |
| Nearside Front Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Front Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Front Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Nearside Front Obligatory mirror not clearly visible from the drivers seat or incapable of being adjusted to be clearly visible from the driver`s seat |8.1.1d| | 1 |
| Nearside Front Power steering pipe|s| or hose|s| fouling other parts of the vehicle |2.3.2| | 1 |
| Nearside Front Power steering pipe|s| or hose|s| leaking |2.3.3b| | 1 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Centre Rear Upper Stop lamp not working |1.2.1b| | 1 |
| Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Rear Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 1 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1 |
| Offside Front brake caliper has restricted free movement |3.5.1k| | 1 |
| Hydraulic fluid leaking excessively |8.4.1 |a| |i|| | 1 |
| Hydraulic fluid leaking continuously posing a serious risk to road safety |8.4.1 |a| |ii|| | 1 |
| Nearside Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Offside Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Emissions not tested |8.2.1.2 |d|| | 1 |
| Brake performance not tested |1.2.1 |g|| | 1 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 1 |
| Rear Brake pipe inadequately supported |3.6.B.1| | 1 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Centre Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear Bumper damaged and likely to cause injury when grazed or contacted (6.1.4 (a) (i)) | 1 |
| Offside Front Headlamp insecure (4.1.1 (c)) | 1 |
| Exhaust emissions likely to be affected by an induction leak (8.2.1.1 (b)) | 1 |
| Nearside Rear Bumper likely to become detached (6.1.4 (a) (ii)) | 1 |
| Offside Rear Bumper damaged and likely to cause injury when grazed or contacted (6.1.4 (a) (i)) | 1 |
| Offside Headlamp aim not tested (4.1.2 (b)) | 1 |
| Offside Outer Headlamp insecure (4.1.1 (c)) | 1 |
| Prop shaft joint excessively worn centre UJ |6.1.7 |c| |i|| | 1 |
| Fuel hose insecure front breather hose disconnected , strong smell of fuel evident |6.1.3 |a| |i|| | 1 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 1 |
| Offside Front Position lamp not working |4.2.1 |a|| | 1 |
| Offside Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Nearside Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Oil leaking excessively from transmission |8.4.1 |a| |i|| | 1 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 1 |
| Seat belt not functioning as intended all belts not locking off when pulled (7.1.2 (c)) | 1 |
| Rear fog lamp does not emit a steady red light incorrect colour (4.5.4 (a)) | 1 |
| Offside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 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 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Side repeater missing |1.4.A.2b| | 1 |
| Offside Side repeater missing |1.4.A.2b| | 1 |
| Nearside Rear Lower Trailing arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Headlamp insecure |1.7.3| | 1 |
| Nearside Front Side repeater missing |1.4.A.2b| | 1 |
| Offside Front Side repeater missing |1.4.A.2b| | 1 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Central Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear Braking system leaking leaking at caliper flexi union |3.6.A.1| | 1 |
| Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Front Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 1 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Front Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 1 |
| Nearside Side repeater not working |1.4.A.2c| | 1 |
| Nearside Steering rack insecure |2.2.B.1a| | 1 |
| Nearside Outer Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Battery insecure |1.9.1| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Nearside Front Brake pipe at imminent risk of failure or fracture |1.1.11 |a|| | 1 |
| Offside Front Brake pipe at imminent risk of failure or fracture |1.1.11 |a|| | 1 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Rear Shock absorbers has a serious fluid leak | 1 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 1 |
| Nearside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Stop lamp|s| all not working |4.3.1 |a| |iii|| | 1 |
| Rear Exhaust has a major leak of exhaust gases Silencer |6.1.2 |a|| | 1 |
| Offside Front Steering linkage ball joint ball joint dust cover insecure so that it no longer prevents the ingress of dirt Track Rod End |2.1.3 |g| |ii|| | 1 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 1 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturer`s specified limits |8.2.1.2 |a|| | 1 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Nearside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 1 |
| Nearside 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 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 1 |
| Offside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 1 |
| Offside Rear All position lamps adversely affected by the operation of another lamp |4.2.3 |c|| | 1 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Rear fog lamp switch insecure |1.3.1a| | 1 |
| Offside Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 1 |
| Rear fog lamp switch inoperative |4.5.3 |a| |ii|| | 1 |
| Nearside Front Position lamp adversely affected by the operation of another lamp |4.2.3 |c|| | 1 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Front Direction indicators adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Front Side repeater not working |1.4.A.2c| | 1 |
| Front Headlamp aim beam image too far to the right |1.6.B4| | 1 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 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 |
| Nearside Headlamp insecure |1.7.3| | 1 |
| Windscreen has damage | 1 |
| Nearside Front Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Front Brake pipe twisted |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Nearside Outer Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Nearside Headlamp aim does not move downwards when dipped |British American headlamp| |1.8.C.4| | 1 |
| Hazard warning switch missing |1.4.B.1d| | 1 |
| Fuel cap/sealing device does not fasten securely by positive means |7.2.4b| | 1 |
| Horn not working |1.6.2a| | 1 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 1 |
| Rear fog lamp missing (4.5.1 (a) (ii)) | 1 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Nearside Rear Inner brake disc in such a condition that it is seriously weakened |3.5.1i| | 1 |
| Offside Rear Inner brake disc in such a condition that it is seriously weakened |3.5.1i| | 1 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement rear arm bush |2.4.G.2| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 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 Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Power steering component|s| leaking |2.3.3b| | 1 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 1 |
| Centre Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Centre Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |