| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 26 |
| Headlamp aim out of alignment | 21 |
| Registration plate lamp issues | 18 |
| Parking brake: efficiency below requirements |3.7.B.7| | 14 |
| Windscreen wiper does not clear the windscreen effectively | 13 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 10 |
| Registration plate issues | 7 |
| Rear parking brake recording little or no effort | 7 |
| Front brake disc in such a condition that it is seriously weakened | 6 |
| Horn not working |1.6.2a| | 6 |
| Anti-lock braking system warning lamp indicates an ABS fault | 5 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Rear brake disc in such a condition that it is seriously weakened | 4 |
| Nearside Front coil spring broken |2.4.C.1a| | 4 |
| Offside Stop lamp not working |1.2.1b| | 4 |
| Nearside Stop lamp not working |1.2.1b| | 4 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 4 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 4 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Front coil spring broken |2.4.C.1a| | 3 |
| Windscreen has damage | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Brakes imbalanced across an axle | 3 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Parking brake lever has no reserve travel |3.1.6b| | 3 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 2 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 2 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 2 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 2 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 2 |
| Emissions not tested (8.2.1.2 (d)) | 2 |
| Nearside Front brake disc excessively scored |3.5.1h| | 2 |
| Offside Front brake disc excessively scored |3.5.1h| | 2 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Nearside Front Wheel stud|s| missing |4.2.A.1e| | 2 |
| Offside Front Wheel stud|s| missing |4.2.A.1e| | 2 |
| Nearside Rear Wheel stud|s| missing |4.2.A.1e| | 2 |
| Offside Rear Wheel stud|s| missing |4.2.A.1e| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Centre Stop lamp not working |1.2.1b| | 2 |
| Offside Front coil spring fractured |2.4.C.1a| | 2 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 2 |
| Offside Rear fog lamp not working |1.3.2b| | 2 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Rear Drive shaft which forms part of the suspension coupling gaiter damaged to the extent that it no longer prevents the ingress of dirt etc (2.4.G.4e) | 2 |
| Nearside Rear Wheel bolt(s) missing (4.2.A.1e) | 2 |
| Offside Front coil spring broken (2.4.C.1a) | 2 |
| Nearside Front wheel bearing rough when rotated (2.5.A.2) | 2 |
| Indicator switch faulty |1.4.A.1| | 1 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 1 |
| Offside Rear Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 1 |
| Offside Front Position lamp not working |4.2.1 |a|| | 1 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 1 |
| Nearside Rear Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 1 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Shock absorbers damaged to the extent that it does not function (5.3.2 (b)) | 1 |
| Offside Rear Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Side repeater missing |1.4.A.2b| | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 1 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 1 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Position lamp not working side light (4.2.1 (a) (ii)) | 1 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (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 |
| Offside Stop lamp|s| not working |4.3.1 |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 |
| Nearside Rear Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Offside Front Coil spring not correctly located |2.4.C.2| | 1 |
| Nearside Front Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Offside Front Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Rear Anti-roll bar pin or bush excessively worn D - Bush |5.3.4 |a| |i|| | 1 |
| Offside Rear Anti-roll bar pin or bush excessively worn D - Bush |5.3.4 |a| |i|| | 1 |
| Nearside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Rear brake application uneven | 1 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Upper Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 1 |
| Rear Exhaust system not adequately supported clamp rusted through |7.1.1| | 1 |
| Offside Rear fog lamp does not emit a steady red light |1.3.2e| | 1 |
| Offside Rear Direction indicators adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Brake hose excessively deteriorated | 1 |
| Nearside Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Rear brake disc excessively scored |3.5.1h| | 1 |
| Offside Rear brake disc excessively scored |3.5.1h| | 1 |
| Offside Front Side repeater not working |1.4.A.2c| | 1 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 1 |
| Nearside Front Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1 |
| Emissions not tested due to water leak |7.3.A.1| | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 1 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 1 |
| Offside Rear Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Emissions not tested |7.0| | 1 |
| Offside Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Direction indicator incorrect colour Both Rear |1.4.A.2f| | 1 |
| Nearside Front coil spring fractured |2.4.C.1a| | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect lens faded (4.1.2 (c)) | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 1 |
| Offside Front brake disc excessively pitted |3.5.1h| | 1 |
| Offside Rear position lamp|s| has less than 50% of the light sources illuminating |1.1.A.3b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Offside Rear Suspension arm pin or bush excessively worn wishbone |5.3.4 |a| |i|| | 1 |
| Fuel cap/sealing device sealing washer missing |7.2.4c| | 1 |
| Offside Rear coil spring broken |2.4.C.1a| | 1 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 1 |
| Offside Rear Drive shaft which forms part of the suspension coupling gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.4.G.4e| | 1 |
| Offside Rear Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 1 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Rear Exhaust has a part missing |7.1.1a| | 1 |
| Offside Rear position lamp(s) not working (1.1.A.3b) | 1 |
| Nearside Headlamp not working on main beam (1.7.5a) | 1 |
| Nearside Headlamp aim beam image obviously incorrect (1.8.A.1b) | 1 |
| Parking brake: efficiency below requirements (3.7.B.7) | 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 insecure so that it no longer prevents the ingress of dirt (2.2.C.1c) | 1 |
| Nearside Headlamp not working on dipped beam (1.7.5a) | 1 |
| Offside Headlamp not working on dipped beam (1.7.5a) | 1 |
| Headlamp aim not tested (1.8.A.1c) | 1 |
| Nearside Rear Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt (2.4.G.2) | 1 |
| Offside Rear Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt (2.4.G.2) | 1 |
| Offside Rear Lower Suspension arm has excessive play in a ball joint (2.4.G.2) | 1 |
| Offside Steering rack gaiter split (2.2.D.2d) | 1 |
| Centre Upper Stop lamp not working |1.2.1b| | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |