| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 113 |
| Registration plate lamp issues | 95 |
| Parking brake: efficiency below requirements |3.7.B.7| | 77 |
| Windscreen wiper does not clear the windscreen effectively | 74 |
| Brake pipe excessively corroded | 63 |
| Rear parking brake recording little or no effort | 39 |
| Registration plate issues | 28 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 25 |
| Brakes imbalanced across an axle | 24 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 23 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 23 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 22 |
| Offside Front coil spring fractured |2.4.C.1a| | 21 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 21 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 20 |
| Front brake disc in such a condition that it is seriously weakened | 20 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 19 |
| Offside Front coil spring incomplete |2.4.C.1a| | 19 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 19 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 17 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 17 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 16 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 16 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 16 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 15 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 15 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 15 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 14 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 14 |
| Nearside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 14 |
| Nearside Front coil spring broken |2.4.C.1a| | 14 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 13 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 13 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 13 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 13 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 12 |
| Offside Rear coil spring broken |2.4.C.1a| | 12 |
| Rear brake binding | 12 |
| Parking brake lever has no reserve travel |3.1.6b| | 12 |
| Offside Stop lamp not working |1.2.1b| | 12 |
| Offside Rear Stop lamp not working |1.2.1b| | 12 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 11 |
| Offside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 11 |
| Rear Exhaust system not adequately supported |7.1.1| | 11 |
| Nearside Stop lamp not working |1.2.1b| | 11 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 11 |
| Nearside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 10 |
| Offside Rear coil spring fractured |2.4.C.1a| | 10 |
| Exhaust system not adequately supported |7.1.1| | 10 |
| Offside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 9 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 9 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 8 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 8 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 8 |
| Centre Exhaust system not adequately supported |7.1.1| | 8 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 8 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 8 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 7 |
| Nearside Front coil spring fractured |2.4.C.1a| | 7 |
| Windscreen wiper blade insecure | 7 |
| Offside Front coil spring broken |2.4.C.1a| | 7 |
| 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| | 7 |
| Service brake: efficiency below requirements |3.7.B.7| | 7 |
| Nearside Headlamp insecure |1.7.3| | 6 |
| Offside Headlamp insecure |1.7.3| | 6 |
| Emissions not tested |7.0| | 6 |
| Nearside Rear coil spring broken |2.4.C.1a| | 6 |
| Fuel system component leaking |7.2.3| | 6 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 6 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 6 |
| Anti-lock braking system warning lamp indicates an ABS fault | 6 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 6 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 6 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Offside Rear fog lamp not working |1.3.2b| | 6 |
| Brake hose excessively deteriorated | 6 |
| Nearside Rear Stop lamp not working |1.2.1b| | 6 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 5 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 5 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 5 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 5 |
| 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| | 5 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Nearside Brake cable has wires broken and is significantly weakened |3.5.1b| | 5 |
| 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| | 5 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 5 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 5 |
| Offside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 5 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 5 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 5 |
| Front Exhaust system not adequately supported |7.1.1| | 5 |
| Offside Front Direction indicator not working |1.4.A.2c| | 4 |
| Offside Front constant velocity joint is insecure |2.5.C.1b| | 4 |
| Offside Front Front constant velocity joint is insecure |2.5.C.1b| | 4 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 4 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 4 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 4 |
| 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| | 4 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 4 |
| Nearside Front Front constant velocity joint is insecure |2.5.C.1b| | 4 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 4 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Offside Front Anti-roll bar ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Offside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 3 |
| Indicator switch faulty |1.4.A.1| | 3 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 3 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 3 |
| Centre Front Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Offside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 3 |
| An item not tested |Manual| | 3 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| 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| | 3 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 3 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 3 |
| Offside Brake cable has wires broken and is significantly weakened |3.5.1b| | 3 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 3 |
| 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| | 3 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 3 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 3 |
| Front brake excessively fluctuating | 3 |
| Nearside Front Anti-roll bar ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Front brake application uneven | 3 |
| Offside Obligatory mirror insecure |8.1.1| | 3 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 3 |
| 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| | 3 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 3 |
| Windscreen has damage | 3 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 3 |