| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 92 |
| Windscreen wiper does not clear the windscreen effectively | 76 |
| Registration plate lamp issues | 59 |
| Brake pipe excessively corroded | 45 |
| Parking brake: efficiency below requirements |3.7.B.7| | 44 |
| Rear parking brake recording little or no effort | 38 |
| Registration plate issues | 26 |
| Front brake disc in such a condition that it is seriously weakened | 19 |
| Offside Rear fog lamp not working |1.3.2b| | 19 |
| Nearside Stop lamp not working |1.2.1b| | 18 |
| Offside Stop lamp not working |1.2.1b| | 18 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 17 |
| Brakes imbalanced across an axle | 13 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 13 |
| Service brake: efficiency below requirements |3.7.B.7| | 13 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 12 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 10 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 10 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 10 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Nearside Rear Stop lamp not working |1.2.1b| | 9 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 8 |
| Rear brake binding | 7 |
| Offside Side repeater missing |1.4.A.2b| | 7 |
| Windscreen has damage | 7 |
| Offside Rear Stop lamp not working |1.2.1b| | 7 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Nearside Headlamp not working on main beam |1.7.5a| | 7 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 6 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Anti-lock braking system warning lamp indicates an ABS fault | 6 |
| Rear fog lamp not working |1.3.2b| | 6 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Offside Headlamp not working on main beam |1.7.5a| | 6 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Parking brake lever has no reserve travel |3.1.6b| | 6 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Nearside Side repeater missing |1.4.A.2b| | 5 |
| Nearside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 5 |
| Offside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 5 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 5 |
| Nearside Side repeater not working |1.4.A.2c| | 5 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 5 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 5 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 5 |
| Nearside Front Road wheel bead rim badly distorted |4.2.A.1a| | 4 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 4 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 4 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 4 |
| Offside Rear fog lamp missing |1.3.2a| | 4 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Rear fog lamp tell tale not working |1.3.1b| | 4 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 4 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 4 |
| Power steering component|s| leaking |2.3.3b| | 4 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Offside Front coil spring fractured |2.4.C.1a| | 4 |
| Exhaust system not adequately supported |7.1.1| | 4 |
| Offside Front Direction indicator not working |1.4.A.2c| | 4 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 3 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Rear fog lamp switch missing |1.3.1a| | 3 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 3 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Brake hose excessively deteriorated | 3 |
| Nearside Headlamp insecure |1.7.3| | 3 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Windscreen wiper blade insecure | 3 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 3 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 3 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 3 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Offside Steering rack gaiter split |2.2.D.2d| | 3 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 3 |
| Offside Front All position lamps not working |1.1.A.3b| | 3 |
| Emissions not tested |7.0| | 3 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 3 |
| Offside Rear coil spring fractured |2.4.C.1a| | 3 |
| Nearside Front coil spring fractured |2.4.C.1a| | 3 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 3 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Rear brake application uneven | 2 |
| Front position lamp|s| not working |1.1.A.3b| | 2 |
| Front brake disc excessively pitted |3.5.1h| | 2 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 2 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 2 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 2 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 2 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 2 |
| Offside Side repeater not working |1.4.A.2c| | 2 |
| Nearside Upper Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 2 |
| Offside Upper Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 2 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 2 |
| Offside Front Steering pivot point has excessive play |2.2.B.1g| | 2 |
| Brake hose has insufficient room to move | 2 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 2 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Brake servo leaking |3.6.C.1c| | 2 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 2 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 2 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 2 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Rear Statutory seat belt missing |5.1.1| | 2 |
| Steering pivot point has excessive play |2.2.B.1g| | 2 |
| Nearside Rear Axle beam has excessive vertical movement between stub axle and axle beam |2.5.A.1a| | 2 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 2 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Front brake application uneven | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Front Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 2 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 2 |
| Nearside Rear coil spring cracked |2.4.C.1a| | 2 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 2 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 2 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 2 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 2 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Rear Rear fog lamp not working |1.3.2b| | 2 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Front Direction indicator incorrect colour |1.5.1d| | 2 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 2 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Battery insecure |1.9.1| | 2 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 2 |