| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 25 |
| Registration plate lamp issues | 20 |
| Brakes imbalanced across an axle | 13 |
| Windscreen wiper does not clear the windscreen effectively | 12 |
| Rear parking brake recording little or no effort | 10 |
| Brake pipe excessively corroded | 9 |
| Parking brake: efficiency below requirements |3.7.B.7| | 9 |
| Horn not working |1.6.2a| | 6 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Brake hose excessively deteriorated | 4 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 4 |
| Offside Stop lamp not working |1.2.1b| | 3 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear coil spring broken |2.4.C.1a| | 3 |
| Nearside Front coil spring broken |2.4.C.1a| | 3 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 3 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 3 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 3 |
| Parking brake lever has no reserve travel |3.1.6b| | 3 |
| Nearside Stop lamp not working |1.2.1b| | 2 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 2 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 2 |
| Front brake application uneven | 2 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Windscreen washer not working | 2 |
| Offside Front coil spring broken |2.4.C.1a| | 2 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 2 |
| Registration plate issues | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Seat belt not functioning as intended (7.1.2 (c)) | 1 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 1 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 1 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 1 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside 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 Front Inner Tie bar/rod has excessive play in a pin/bush tie rod has play init |2.4.G.2| | 1 |
| Offside Front Tie bar/rod has excessive play in a pin/bush track rod end has play in it |2.4.G.2| | 1 |
| Nearside Rear Exhaust system not adequately supported back box missing |7.1.1| | 1 |
| Central Rear Exhaust system not adequately supported centre exhaust req |7.1.1| | 1 |
| Offside Rear Lower coil spring broken coil spring broken |2.4.C.1a| | 1 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Offside Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Nearside Rear Sub-frame has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Front Drag link end ball joint has excessive play rack end |2.1.3 |b| |i|| | 1 |
| Offside Front Drag link end ball joint has excessive play rack end |2.1.3 |b| |i|| | 1 |
| Nearside Front Suspension arm pin or bush excessively worn lower arm rear bush |5.3.4 |a| |i|| | 1 |
| Offside Front Suspension arm pin or bush excessively worn lower arm rear bush |5.3.4 |a| |i|| | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Ball joint has excessive play Tie rod balljoint |2.2.B.1f| | 1 |
| Exhaust has a major leak of exhaust gases exhaust security (6.1.2 (a)) | 1 |
| Emissions not tested exhaust condition (8.2.1.2 (d)) | 1 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 1 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 1 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Nearside Front Suspension arm pin or bush excessively worn back wishbone bush (5.3.4 (a) (i)) | 1 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Battery insecure and likely to fall from carrier battery clamp not secure in tray. (4.13 (a) (ii)) | 1 |
| Bonnet primary retaining device excessively deteriorated secondary bonnet catch seized on bonnet panel (3.1 (c)) | 1 |
| Offside Front Headlamp insecure screw missing from top bracket on headlamp. (4.1.1 (c)) | 1 |
| Nearside Front Inner Steering rack has excessive free play detected at the steering wheel to the extent that safe steering is affected (steering rack fitted) steering rack joint at steering rack end. (2.3 (a) (ii)) | 1 |
| Offside Front Inner Steering rack has excessive free play detected at the steering wheel to the extent that safe steering is affected (steering rack fitted) steering rack joint at steering rack end. (2.3 (a) (ii)) | 1 |
| Offside Position lamp not working |4.2.1 |a|| | 1 |
| Offside Steering linkage ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 1 |
| Nearside Front Steering linkage ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Offside Front Coil spring worn so that its cross sectional area is reduced and seriously weakened (5.3.1 (b) (i)) | 1 |
| Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Offside Front Steering linkage ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Nearside Rear Rear position lamp|s| not in a clean condition and function impaired |1.1.4a| | 1 |
| Offside Rear Rear position lamp|s| not in a clean condition and function impaired |1.1.4a| | 1 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Offside Front Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Offside Rear Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Nearside Rear coil spring broken |2.4.C.1a| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a track control arm inner bush |2.5.B.2b| | 1 |
| Offside Front Inner Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Nearside Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Offside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Tie bar/rod ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Front constant velocity joint is insecure |2.5.C.1b| | 1 |
| Offside Headlamp aim not tested |1.8.A.1c| | 1 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Offside 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 Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Front Obligatory mirror missing |8.1.1| | 1 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Central Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 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 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 Brake pipe leaking |3.6.A.1| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside rear brake excessively fluctuating |3.7.B.3| | 1 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 1 |
| Offside front brake juddering severely |3.7.A.2b| | 1 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 1 |
| Offside Front Steering linkage ball joint has excessive play |2.1.3 |b| |i|| | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1 |
| Nearside Rear Parking (secondary brake) on a single line braking system has no recorded effort at a wheel (1.3.1 (a) (ii)) | 1 |
| Offside Rear Parking (secondary brake) on a single line braking system has inadequate effort at a wheel (1.3.1 (a) (i)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Front Outer Steering linkage ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Lower 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 |
| Fuel cap/sealing device sealing washer missing |7.2.4c| | 1 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 1 |
| Headlamp aim not tested |1.8.A.1c| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 1 |
| Offside Track rod end ball joint has excessive play / n/s |2.2.B.1f| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt outer |6.1.7 |g| |ii|| | 1 |
| Steering rack has excessive free play detected at the steering wheel (steering rack fitted) (2.3 (a) (i)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Rear brake application uneven | 1 |
| Offside Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt and n/s front |2.4.G.2| | 1 |
| Nearside Outer Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc outer |2.5.C.1a| | 1 |
| Nearside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Nearside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Nearside Headlamp insecure |1.7.3| | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Parking brake lever, pawl mechanism pivots or their associated mountings are insecure |3.1.4b| | 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 |