| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 304 |
| Brake pipe excessively corroded | 278 |
| Headlamp aim out of alignment | 259 |
| Registration plate lamp issues | 221 |
| Rear brake binding | 161 |
| Registration plate issues | 150 |
| Brakes imbalanced across an axle | 138 |
| Brake hose excessively deteriorated | 118 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 103 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 97 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 61 |
| Offside front brake binding |3.7.B.1| | 54 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 54 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 53 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 52 |
| Offside Rear fog lamp not working |1.3.2b| | 50 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 48 |
| Parking brake: efficiency below requirements |3.7.B.7| | 45 |
| Windscreen has damage | 45 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 43 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 42 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 37 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 37 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 37 |
| Front brake application uneven | 36 |
| Nearside front brake binding |3.7.B.1| | 35 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 35 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 34 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 33 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 33 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 32 |
| Rear brake application uneven | 32 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 31 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 30 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 29 |
| Service brake: efficiency below requirements |3.7.B.7| | 28 |
| Horn not working |1.6.2a| | 28 |
| Parking brake lever has no reserve travel |3.1.6b| | 27 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 27 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 26 |
| Battery insecure |1.9.1| | 25 |
| Rear Rear fog lamp not working |1.3.2b| | 25 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 25 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 25 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 24 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 24 |
| Rear parking brake recording little or no effort | 24 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 22 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 21 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 20 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 20 |
| Anti-lock braking system warning lamp indicates an ABS fault | 20 |
| Brake hose damaged | 20 |
| Rear fog lamp not working |1.3.2b| | 20 |
| Mechanical brake component has restricted free movement | 19 |
| Offside Front front brake binding |3.7.B.1| | 19 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 18 |
| Nearside Front front brake binding |3.7.B.1| | 18 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 17 |
| Rear Mechanical brake component has restricted free movement | 16 |
| Offside Steering rack gaiter split |2.2.D.2d| | 15 |
| Rear Exhaust system not adequately supported |7.1.1| | 15 |
| Offside Front Brake hose excessively damaged |3.6.B.4d| | 14 |
| Rear Exhaust mounting missing |7.1.1b| | 14 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 14 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 14 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 14 |
| Rear brake disc in such a condition that it is seriously weakened | 14 |
| Windscreen wiper blade insecure | 13 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 13 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 13 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 13 |
| Rear fog lamp tell tale not working |1.3.1b| | 13 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 12 |
| Offside Stop lamp not working |1.2.1b| | 12 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 12 |
| Brake hose has insufficient room to move | 12 |
| Emissions not tested |7.0| | 11 |
| Nearside Front Brake hose excessively damaged |3.6.B.4d| | 11 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 11 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 11 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 11 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 11 |
| Steering rack insecure |2.2.B.1a| | 11 |
| Nearside Rear Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 10 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 10 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 10 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 10 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 10 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 10 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 10 |
| Offside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Nearside Stop lamp not working |1.2.1b| | 9 |
| Front brake disc in such a condition that it is seriously weakened | 9 |
| Offside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 9 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 9 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 9 |
| Nearside Headlamp not working on main beam |1.7.5a| | 9 |
| Exhaust system not adequately supported |7.1.1| | 9 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 9 |
| Rear Fuel pipe leaking |7.2.3| | 9 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 8 |
| Offside Rear brake disc excessively scored |3.5.1h| | 8 |
| Offside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 8 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 8 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 8 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 8 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 8 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 8 |
| Offside Rear Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Nearside Side repeater not working |1.4.A.2c| | 8 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 8 |
| Exhaust mounting missing |7.1.1b| | 7 |
| Brake performance not tested |3.7.A.1| | 7 |
| Rear brake disc excessively pitted |3.5.1h| | 7 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 7 |
| Nearside Front Shock absorbers has a serious fluid leak | 7 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 7 |
| Offside Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Offside Side repeater not working |1.4.A.2c| | 7 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 7 |
| Fuel system component insecure |7.2.1| | 7 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Power steering inoperative |2.3.3a| | 7 |
| Offside Inner Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Offside Rear fog lamp missing |1.3.2a| | 6 |
| Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 6 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 6 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 6 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 6 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 6 |
| Nearside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 6 |
| Nearside Inner Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 6 |
| Nearside Front brake caliper has restricted free movement |3.5.1k| | 6 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 6 |
| An item not tested |Manual| | 6 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 6 |
| Offside Rear front brake binding |3.7.B.1| | 6 |
| Offside Headlamp not working on main beam |1.7.5a| | 6 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 6 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 6 |
| Centre Exhaust system not adequately supported |7.1.1| | 6 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 6 |