| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 22 |
| Registration plate lamp issues | 16 |
| Headlamp aim out of alignment | 12 |
| Parking brake: efficiency below requirements |3.7.B.7| | 10 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Rear parking brake recording little or no effort | 8 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 8 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 7 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Registration plate issues | 6 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 5 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 5 |
| Offside Rear fog lamp not working |1.3.2b| | 5 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 4 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 4 |
| Windscreen has damage | 4 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Centre Stop lamp not working |1.2.1b| | 3 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Rear brake binding | 2 |
| Hazard warning switch faulty |1.4.B.1d| | 2 |
| Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Rear fog lamp tell tale not working |1.3.1b| | 2 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Front Upper Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 2 |
| Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 2 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Brake pipe excessively corroded | 2 |
| Centre Front Lower Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside Front Horn not working |1.6.2a| | 1 |
| Centre Front Brake cable has wires broken and is significantly weakened snapped |3.5.1b| | 1 |
| Nearside Front Lower Horn not working |1.6.2a| | 1 |
| Offside Rear Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 1 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Inner Front Steering system excessively rough |2.2.D.1| | 1 |
| Offside Inner Front Steering system excessively rough |2.2.D.1| | 1 |
| Offside Rear fog lamp missing |1.3.2a| | 1 |
| Nearside Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 1 |
| Nearside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 1 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Nearside Rear Parking |secondary brake| on a single line braking system has inadequate effort at a wheel |1.3.1 |a| |i|| | 1 |
| Offside Rear Parking |secondary brake| on a single line braking system has inadequate effort at a wheel |1.3.1 |a| |i|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Nearside Front brake disc contaminated by oil |3.5.1h| | 1 |
| Nearside Rear brake caliper leaking |3.6.A.1| | 1 |
| Power steering pipe|s| or hose|s| fouling other parts of the vehicle |2.3.2| | 1 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| 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| | 1 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 1 |
| Nearside Headlamp insecure (4.1.1 (c)) | 1 |
| Offside Headlamp insecure (4.1.1 (c)) | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 1 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 1 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Rear fog lamp insecure |1.3.2a| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users bulb position |1.8.A.1a| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement d bush |2.4.G.2| | 1 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement d bush |2.4.G.2| | 1 |
| Centre Rear Upper Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Rear fog lamp not working |4.5.1 |a| |ii|| | 1 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Front Body has a sharp edge caused by damage Indicator |6.1.C.1| | 1 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Front Exhaust system not adequately supported |7.1.1| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Offside Rear Upper Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 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 Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Nearside Seat belt retracting mechanism defective (7.1.2 (e)) | 1 |
| Nearside Front Upper Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 1 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Front Anti-roll bar pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users |8.2.2.2 |c|| | 1 |
| Offside Front Seat belt damaged sufficient to significantly weakened the webbing |5.2.2a| | 1 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Obligatory mirror seriously obscured affecting the rear view |8.1.2a| | 1 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Offside Front Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 1 |
| Electrical wiring damaged, likely to cause a short from battery |1.9.2b| | 1 |
| Offside Front Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside Headlamp aim not tested |1.8.A.1c| | 1 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Rear Stop lamp emits other than a steady red light hi vis |1.2.1e| | 1 |
| Offside Front Obligatory mirror missing |8.1.1| | 1 |
| Headlamp aim does not move downwards when dipped |British American headlamp| |1.8.C.4| | 1 |
| Central Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Stop lamp emits other than a steady red light |1.2.1e| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Offside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 1 |
| Offside Steering rack gaiter insecure |2.2.D.2d| | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Rear Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 1 |
| coil spring broken |2.4.C.1a| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint wish bone |2.4.G.2| | 1 |
| Offside Front Lower Suspension arm has excessive play in a ball joint wish bone |2.4.G.2| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Rear Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 1 |
| Brakes imbalanced across an axle | 1 |
| Nearside Rear Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Nearside Rear Rear reflector missing |1.5.1a| | 1 |
| Suspension arm has excessive play in a ball joint n/s/f/lower ball joint |2.4.G.2| | 1 |
| Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc n/s/f/outer |2.5.C.1a| | 1 |
| Shock absorber has a serious fluid leak n/s/f |2.7.3| | 1 |
| Shock absorber has a serious fluid leak o/s/f |2.7.3| | 1 |
| Offside Headlamp insecure |1.7.3| | 1 |
| Offside Front Direction indicator insecure |1.4.A.2b| | 1 |
| Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Offside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Front All position lamps not working |1.1.A.3b| | 1 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Nearside Front Direction indicator insecure |1.4.A.2b| | 1 |
| Power steering pump leaking from a failed seal |2.3.3b| | 1 |
| Power steering fluid level below minimum |2.3.1| | 1 |
| Power steering malfunctioning |2.3.3a| | 1 |