| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 24 |
| Headlamp aim out of alignment | 22 |
| Brake hose excessively deteriorated | 19 |
| Registration plate lamp issues | 17 |
| Rear fog lamp not working |1.3.2b| | 13 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 8 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Nearside Stop lamp not working |1.2.1b| | 8 |
| Offside Rear fog lamp not working |1.3.2b| | 7 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 7 |
| Offside Stop lamp not working |1.2.1b| | 6 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 5 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Anti-lock braking system warning lamp indicates an ABS fault | 4 |
| Battery insecure |1.9.1| | 4 |
| Rear fog lamp tell tale not working |1.3.1b| | 4 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 4 |
| Rear parking brake recording little or no effort | 3 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Offside Side repeater not working |1.4.A.2c| | 2 |
| Registration plate issues | 2 |
| Offside Rear fog lamp insecure |1.3.2a| | 2 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Front Anti-roll bar ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Rear fog lamp switch missing |1.3.1a| | 2 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 2 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Emissions not tested |7.0| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 2 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 2 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Brakes imbalanced across an axle | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 2 |
| Nearside Rear Shock absorber has an excessively worn shock absorber pivot |2.7.4| | 1 |
| Offside Rear Shock absorber has an excessively worn shock absorber pivot |2.7.4| | 1 |
| Offside Front Lower 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 |
| Nearside Front Upper 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 |
| Nearside Front Lower 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 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Rear fog lamp missing |1.3.2a| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Offside Outer Rear Statutory seat belt missing |5.1.1| | 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 |
| Upper Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Direction indicators not working |1.4.A.2c| | 1 |
| Offside Outer Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Fuel cap/sealing device does not fasten securely by positive means |7.2.4b| | 1 |
| Offside Front Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 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 |
| Offside Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Rear Rear fog lamp does not emit a steady red light |4.5.4 |a|| | 1 |
| Nearside Front Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 1 |
| Nearside Front 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 Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 1 |
| Offside Front Macpherson strut attachment bracket/mounting likely to become detached (5.3.3 (a) (ii)) | 1 |
| Rear fog lamp switch missing |4.5.3 |a| |ii|| | 1 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt split |6.1.7 |g| |ii|| | 1 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt split |6.1.7 |g| |ii|| | 1 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Nearside Front Shock absorbers has a serious fluid leak | 1 |
| Offside Front Shock absorbers has a serious fluid leak | 1 |
| Brake pipe excessively corroded | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Rear fog lamp insecure |1.3.2a| | 1 |
| Offside Front Lower Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 1 |
| Offside Outer Front Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Nearside Front Brake hose stretched |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Offside Front Brake hose stretched |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Nearside Stop lamp has less than 50% of the light sources illuminating |1.2.1b| | 1 |
| Offside Stop lamp has less than 50% of the light sources illuminating |1.2.1b| | 1 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Windscreen has damage | 1 |
| Offside Headlamp adversely affected by the operation of another lamp |1.7.5c| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1 |
| Rear Rear fog lamp not working |1.3.2b| | 1 |
| Offside Front Drivers door cannot be opened from outside the vehicle (6.2.3 (a)) | 1 |
| Emissions not tested exhaust blowing excess (8.2.2.2 (e)) | 1 |
| Nearside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength out rigger (5.3.6 (a) (i)) | 1 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength out rigger (5.3.6 (a) (i)) | 1 |
| Nearside Front Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Rear fog lamp missing |1.3.2a| | 1 |
| Rear fog lamp tell tale missing |1.3.1b| | 1 |
| Front brake application uneven | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 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 Front Side repeater not working |1.4.A.2c| | 1 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 1 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| 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| | 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 missing lpg cap |7.2.4a| | 1 |
| Offside Rear Shock absorber detached |2.7.2b| | 1 |
| Nearside front brake binding |3.7.B.1| | 1 |
| Offside front brake binding |3.7.B.1| | 1 |
| Exhaust emissions carbon monoxide content at idle excessive vehicle set to run on lpg at time of test |7.3.D.4| | 1 |
| Offside Front 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 Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Offside Headlamp insecure |1.7.3| | 1 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 1 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Nearside Inner Stop lamp not working |1.2.1b| | 1 |
| Offside Inner Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting (6.2.2 (d) (i)) | 1 |
| Offside Rear Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting (6.2.2 (d) (i)) | 1 |
| Offside Front front brake binding |3.7.B.1| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Nearside Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |