| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 511 |
| Windscreen wiper does not clear the windscreen effectively | 365 |
| Registration plate lamp issues | 272 |
| Anti-lock braking system warning lamp indicates an ABS fault | 228 |
| Rear brake binding | 194 |
| Brakes imbalanced across an axle | 153 |
| Brake pipe excessively corroded | 127 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 110 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 82 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 67 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 58 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 45 |
| Registration plate issues | 43 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 41 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 41 |
| Nearside Stop lamp not working |1.2.1b| | 40 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 40 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 39 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 39 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 35 |
| Battery insecure |1.9.1| | 34 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 34 |
| Front brake disc in such a condition that it is seriously weakened | 32 |
| Rear brake application uneven | 31 |
| Parking brake: efficiency below requirements |3.7.B.7| | 31 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 29 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 29 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 27 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 26 |
| Rear Mechanical brake component has restricted free movement | 26 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 26 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 25 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 25 |
| Windscreen washer not working | 24 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 24 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 23 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 23 |
| Offside Stop lamp not working |1.2.1b| | 22 |
| Horn not working |1.6.2a| | 21 |
| Parking brake lever has no reserve travel |3.1.6b| | 21 |
| Windscreen wiper blade insecure | 21 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 19 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 19 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 19 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 19 |
| Offside front brake binding |3.7.B.1| | 18 |
| Fuel system component leaking |7.2.3| | 18 |
| Front brake excessively fluctuating | 17 |
| Rear parking brake recording little or no effort | 17 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 17 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 16 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 16 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 16 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 15 |
| Nearside Rear Stop lamp not working |1.2.1b| | 15 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 15 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 15 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 14 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 14 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 14 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 14 |
| Front brake application uneven | 13 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Offside Rear Stop lamp not working |1.2.1b| | 13 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 13 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 13 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 12 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Offside Front front brake binding |3.7.B.1| | 12 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 12 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 11 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 11 |
| Fuel system component insecure |7.2.1| | 11 |
| Nearside front brake binding |3.7.B.1| | 11 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 11 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 11 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 11 |
| Service brake: efficiency below requirements |3.7.B.7| | 11 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 10 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 10 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 10 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded outer sill |2.4.A.3| | 10 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 10 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 10 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 10 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 9 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 9 |
| Offside Steering rack gaiter split |2.2.D.2d| | 9 |
| Offside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 9 |
| Windscreen has damage | 9 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 8 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 8 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 8 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 8 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 8 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 8 |
| Offside Front Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 7 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 7 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 7 |
| Offside Rear Outer Suspension component mounting prescribed area is excessively corroded sill |2.4.A.3| | 7 |
| Fuel system component insecure fuel filter |7.2.1| | 7 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 7 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 7 |
| Nearside Front front brake binding |3.7.B.1| | 7 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 7 |
| Centre Rear Statutory seat belt missing |5.1.1| | 7 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 7 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 7 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 7 |