| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 31 |
| Registration plate lamp issues | 19 |
| Headlamp aim out of alignment | 16 |
| Windscreen wiper does not clear the windscreen effectively | 14 |
| Brakes imbalanced across an axle | 8 |
| Offside Stop lamp not working |1.2.1b| | 7 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 6 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Parking brake: efficiency below requirements |3.7.B.7| | 5 |
| Front brake disc in such a condition that it is seriously weakened | 5 |
| Nearside Stop lamp not working |1.2.1b| | 4 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Rear fog lamp not working |1.3.2b| | 3 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 3 |
| Rear Exhaust system not adequately supported |7.1.1| | 3 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 3 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Registration plate issues | 3 |
| Rear parking brake recording little or no effort | 3 |
| Nearside Rear coil spring broken |2.4.C.1a| | 3 |
| Offside Rear coil spring broken |2.4.C.1a| | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 3 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 3 |
| Offside Front Anti-roll bar linkage missing |2.4.G.1| | 2 |
| Nearside Front Inner Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 2 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 2 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 2 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 2 |
| Front brake excessively fluctuating | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Battery insecure |1.9.1| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 1 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 1 |
| Power steering fluid level below minimum |2.3.1| | 1 |
| Nearside Front Lower Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 1 |
| rear parking |secondary| brakes imbalanced | 1 |
| Offside Front Lower Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Front Brake hose leaking |3.6.A.1| | 1 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Front brake application uneven | 1 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 1 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Anti-roll bar has excessive play in a ball joint drop link |2.4.G.2| | 1 |
| Offside Front Anti-roll bar ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 1 |
| Oil leaking excessively from engine top of engine (8.4.1 (a) (i)) | 1 |
| Offside Front Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting above the subframe mount (6.2.2 (d) (i)) | 1 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Nearside Front coil spring broken |2.4.C.1a| | 1 |
| Front Exhaust has a major leak of exhaust gases FLEXIBLE JOINT |7.1.2| | 1 |
| Nearside Front brake disc modified and seriously weakened |3.5.1n| | 1 |
| Offside Front brake disc modified and seriously weakened |3.5.1n| | 1 |
| Offside Rear coil spring fractured |2.4.C.1a| | 1 |
| Headlamp switch faulty |1.7.1| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Rear brake application uneven | 1 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 1 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Fuel system component insecure |7.2.1| | 1 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Front Headlamps matched pair are not the same colour |1.7.6| | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1 |
| Exhaust emissions likely to be affected by an exhaust leak Leaking at centre joint (8.2.1.1 (b)) | 1 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 1 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 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 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 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 Parking brake inoperative on one side |1.4.1 |a|| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Headlamp switch insecure |1.7.1| | 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 Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Offside Front Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Rear Spare wheel insecure |6.4.2| | 1 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Nearside Inner 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 Inner Front Tie bar/rod has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Front position lamp|s| has less than 50% of the light sources illuminating |1.1.A.3b| | 1 |
| Exhaust has a major leak of exhaust gases broken |7.1.2| | 1 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Nearside Front front brake binding |3.7.B.1| | 1 |
| Offside Front front brake binding |3.7.B.1| | 1 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Emissions not tested |7.0| | 1 |
| Windscreen wiper blade insecure | 1 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front coil spring broken |2.4.C.1a| | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 1 |
| Nearside 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 Rear Service brake lagging in operation |1.2.1 |d|| | 1 |
| Rear Brake lining(s) less than 1.5 mm thick (1.1.13 (a) (ii)) | 1 |
| Nearside 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 has excessive play in a ball joint |2.4.G.2| | 1 |
| Power steering component|s| leaking from a failed seal |2.3.3b| | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |