| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 32 |
| Registration plate lamp issues | 18 |
| Windscreen wiper does not clear the windscreen effectively | 15 |
| Brake pipe excessively corroded | 11 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 11 |
| Parking brake: efficiency below requirements |3.7.B.7| | 8 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 8 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 8 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 7 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Nearside Headlamp insecure |1.7.3| | 6 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 6 |
| Offside Rear fog lamp not working |1.3.2b| | 5 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 5 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 5 |
| Offside Headlamp insecure |1.7.3| | 4 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Rear parking brake recording little or no effort | 4 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 4 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Brakes imbalanced across an axle | 3 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Offside Stop lamp not working |1.2.1b| | 3 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 3 |
| Emissions not tested |7.0| | 3 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Registration plate issues | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 3 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Side repeater incomplete |1.5.A1b| | 2 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Brake cable has wires broken and is significantly weakened |3.5.1b| | 2 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 2 |
| Offside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Nearside Brake cable has wires broken and is significantly weakened |3.5.1b| | 2 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 2 |
| Nearside Front coil spring fractured |2.4.C.1a| | 2 |
| Nearside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 2 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Brake hose excessively deteriorated | 2 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Windscreen has damage | 2 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 2 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 2 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Parking brake: efficiency below requirements |3.7.D.4| | 2 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Headlamp aim not tested |1.8.A.1c| | 1 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Front Headlamp insecure |1.7.3| | 1 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Centre Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 1 |
| Offside Front All position lamps not working |1.1.A.3b| | 1 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Front brake disc excessively pitted |3.5.1h| | 1 |
| Rear brake application uneven | 1 |
| Nearside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 1 |
| Brake hose damaged | 1 |
| Offside Front Suspension arm modified and seriously weakened |2.4.A.2| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Offside Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 1 |
| Nearside Side repeater not working |1.4.A.2c| | 1 |
| Nearside Rear position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Nearside Rear position lamp|s| incomplete |1.1.4a| | 1 |
| Nearside Side repeater incomplete |1.5.A1b| | 1 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Dipswitch operation does not deflect all main beam headlamps to make them dipped beams |1.7.4b| | 1 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Rear wheel bearing has excessive play |2.6.2| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front coil spring fractured |2.4.C.1a| | 1 |
| Steering column top mounting bracket insecure |2.1.2d| | 1 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Driver`s seat insecure |6.2.A.1| | 1 |
| Offside Rear Road wheel bead rim badly distorted |4.2.A.1a| | 1 |
| Nearside Rear Road wheel badly damaged |4.2.A.1a| | 1 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 1 |
| Offside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Rear Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1 |
| Nearside Obligatory mirror not clearly visible from the drivers seat or incapable of being adjusted to be clearly visible from the driver`s seat |8.1.1d| | 1 |
| Offside Obligatory mirror not clearly visible from the drivers seat or incapable of being adjusted to be clearly visible from the driver`s seat |8.1.1d| | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Headlamp switch faulty |1.7.1| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Power steering component|s| leaking |2.3.3b| | 1 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 1 |
| Nearside Power steering ram|s| leaking from a failed seal |2.3.3b| | 1 |
| Centre Exhaust mounting missing |7.1.1b| | 1 |
| Offside Brake lever has restricted free movement |3.5.1k| | 1 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Front Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Rear Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Rear fog lamp obviously incorrectly positioned |1.3.2a| | 1 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 1 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Nearside Front Front position lamp|s| excessively damaged so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Front Brake pipe fouled by moving parts |3.6.B.2a| | 1 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Rear Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 1 |
| Exhaust mounting missing |7.1.1b| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Rear Exhaust mounting missing |7.1.1b| | 1 |
| Offside Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front An item not tested |Manual| | 1 |
| Offside Front An item not tested |Manual| | 1 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 1 |
| Offside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 1 |
| Nearside Front constant velocity joint is excessively worn |2.5.C.1b| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Direction indicator missing |1.4.A.2b| | 1 |
| Offside Parking brake recording little or no effort |3.7.D.3a| | 1 |
| Nearside Rear Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Rear Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Rear Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Rear fog lamp switch faulty |1.3.1a| | 1 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 1 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 1 |
| Nearside Front Headlamps matched pair are incorrectly positioned |1.7.3| | 1 |
| Offside Front Headlamps matched pair are incorrectly positioned |1.7.3| | 1 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Obligatory mirror missing |8.1.1| | 1 |
| Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Side repeater missing |1.4.A.2b| | 1 |
| Offside Steering rack gaiter split |2.2.D.2d| | 1 |
| Offside Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front brake disc excessively pitted |3.5.1h| | 1 |