| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 404 |
| Registration plate lamp issues | 185 |
| Windscreen wiper does not clear the windscreen effectively | 159 |
| Parking brake: efficiency below requirements |3.7.B.7| | 92 |
| Nearside Stop lamp not working |1.2.1b| | 77 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 71 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 70 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 67 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 66 |
| Rear brake binding | 58 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 54 |
| Offside Stop lamp not working |1.2.1b| | 53 |
| Registration plate issues | 51 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 47 |
| Rear parking brake recording little or no effort | 46 |
| Centre Exhaust system not adequately supported |7.1.1| | 44 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 43 |
| Brake pipe excessively corroded | 40 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 39 |
| Nearside Rear Stop lamp not working |1.2.1b| | 38 |
| Brakes imbalanced across an axle | 37 |
| Exhaust system not adequately supported |7.1.1| | 35 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 33 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 33 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 32 |
| Offside Rear Stop lamp not working |1.2.1b| | 32 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 31 |
| Front brake disc in such a condition that it is seriously weakened | 31 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 30 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 28 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 27 |
| Rear brake disc in such a condition that it is seriously weakened | 27 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 26 |
| Offside Rear coil spring broken |2.4.C.1a| | 26 |
| Anti-lock braking system warning lamp indicates an ABS fault | 26 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 24 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 24 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 24 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 23 |
| Offside Front coil spring broken |2.4.C.1a| | 23 |
| Front Exhaust system not adequately supported |7.1.1| | 22 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 22 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 21 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 21 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 20 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 20 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 20 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 19 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 19 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 19 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 18 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 18 |
| Fuel system component leaking |7.2.3| | 18 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 17 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 17 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 17 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 17 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 17 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 17 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 17 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 16 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 16 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Offside Front Position lamp not working |4.2.1 |a|| | 16 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 16 |
| Rear Mechanical brake component has restricted free movement | 16 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 14 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 14 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 13 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 13 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 13 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 13 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 12 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 12 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Nearside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 12 |
| Parking brake lever has no reserve travel |3.1.6b| | 12 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 11 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 11 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 11 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 11 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Nearside Rear coil spring broken |2.4.C.1a| | 11 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 11 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 11 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 10 |
| Offside Rear fog lamp not working |1.3.2b| | 10 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 10 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 10 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 10 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 10 |
| Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 10 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 10 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 10 |
| Front brake excessively fluctuating | 10 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 10 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 9 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 9 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 9 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 9 |
| Offside Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 9 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 9 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 9 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 9 |
| Nearside Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 9 |
| Brake hose damaged | 8 |
| Windscreen has damage | 8 |
| Rear fog lamp not working |1.3.2b| | 8 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 8 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 8 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 8 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 8 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 8 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 8 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 8 |
| Nearside Front coil spring broken |2.4.C.1a| | 8 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 8 |
| Centre Stop lamp not working |1.2.1b| | 7 |
| Offside Obligatory mirror missing |8.1.1| | 7 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 7 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 7 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 7 |
| Offside Rear Other passenger door cannot be opened from outside the vehicle |6.2.3 |a|| | 7 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 7 |
| Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 7 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 7 |
| Emissions not tested (8.2.1.2 (d)) | 7 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 7 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 7 |
| Offside Front Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 7 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 7 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Brake hose excessively deteriorated | 7 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 7 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Brake pedal spongy |3.3.B.1b| | 7 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 7 |
| Offside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 7 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 7 |