| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 37 |
| Headlamp aim out of alignment | 30 |
| Registration plate lamp issues | 11 |
| Nearside Stop lamp not working |1.2.1b| | 11 |
| Windscreen wiper does not clear the windscreen effectively | 10 |
| Registration plate issues | 9 |
| Offside Stop lamp not working |1.2.1b| | 9 |
| Offside Rear Stop lamp not working |1.2.1b| | 9 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Offside Rear fog lamp not working |1.3.2b| | 6 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 5 |
| Brake hose damaged | 5 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 4 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 3 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3 |
| Rear parking brake recording little or no effort | 3 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 3 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 3 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 3 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 3 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 3 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Windscreen has damage | 2 |
| Offside Rear Rear fog lamp not working |4.5.1 |a| |ii|| | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Rear coil spring broken |2.4.C.1a| | 2 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 2 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 2 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Rear Outer Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Headlamp cleaning device inoperative |1.7.2| | 2 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 2 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 2 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Rear Shock absorbers has a serious fluid leak | 2 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Supplementary Restraint System warning lamp indicates a fault also message on display at time of test |5.4.2| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 1 |
| Offside Rear Seat belt missing |7.1.2 |a|| | 1 |
| Nearside Rear Shock absorbers has a serious fluid leak | 1 |
| Offside Rear Outer Position lamp not working |4.2.1 |a| |ii|| | 1 |
| Offside Front Suspension arm pin or bush excessively worn Rear bush |5.3.4 |a| |i|| | 1 |
| Nearside Front Suspension arm pin or bush excessively worn Rear bush |5.3.4 |a| |i|| | 1 |
| Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Front Headlamp aim beam image kick up to the offside both |1.8| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Front Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 1 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 1 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Side repeater not working |1.4.A.2c| | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| rear parking |secondary| brakes imbalanced | 1 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear coil spring broken |2.4.C.1a| | 1 |
| Offside Front coil spring broken |2.4.C.1a| | 1 |
| Offside Rear Stop lamp|s| missing |4.3.1 |a| |ii|| | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Offside Rear Seat belt insecurely fixed to the seat |5.2.1a| | 1 |
| Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Nearside Rear Road wheel fractured |4.2.B.1a| | 1 |
| Offside Rear Road wheel fractured |4.2.B.1a| | 1 |
| Offside Rear Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 1 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 1 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 1 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 1 |
| Bootlid cannot be secured in the closed position |6.4.1| | 1 |
| Power steering malfunctioning |2.3.3a| | 1 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 1 |
| Offside Rear Seat belt damaged (7.1.2 (b) (i)) | 1 |
| Brake fluid contaminated (1.8 (a)) | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Nearside Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Offside Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Power steering malfunctioning (2.1.5 (a)) | 1 |
| Rear Direction indicator incorrect colour both sides |4.4.3 |a|| | 1 |
| Rear Upper Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Outer Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Rear fog lamp obviously incorrectly positioned (4.5.4 (a)) | 1 |
| Offside Rear Seat belt buckle missing (7.1.2 (d)) | 1 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 1 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 1 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 1 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside Rear Seat belt not functioning as intended |7.1.2 |c|| | 1 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Offside Rear Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 1 |
| Rear Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) | 1 |
| Steering lock fails to engage |2.1.4b| | 1 |
| Offside Rear All position lamps not working |1.1.A.3b| | 1 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Nearside Front Position lamp adversely affected by the operation of another lamp flashes when indicator on (4.2.3 (c)) | 1 |
| Nearside Front Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt upper arm (5.3.4 (b) (ii)) | 1 |
| Offside Stop lamp(s) not working Bulb replaced PRS (4.3.1 (a) (ii)) | 1 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 1 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 1 |
| Steering rack insecure |2.1.3 |a| |i|| | 1 |
| Nearside Lower Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Central Rear Seat belt not functioning as intended (7.1.2 (c)) | 1 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 1 |
| Power steering pump leaking from a failed component |2.3.3b| | 1 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 1 |
| Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 1 |
| Rear passenger door cannot be opened from outside the vehicle boot |6.2.B.1c| | 1 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Central Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Side repeater not working |1.4.A.2c| | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Headlamp cleaning device inoperative |1.7.2| | 1 |
| Nearside Rear Road wheel fixing missing x1 (5.2.1 (a) (i)) | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 1 |
| Offside rear brake excessively fluctuating |3.7.B.3| | 1 |
| Offside Front Lower Suspension arm rubber mounting deteriorated resulting in excessive movement rear bush |2.4.G.2| | 1 |
| Stop lamp adversely affected by the operation of another lamp side light |1.2.1f| | 1 |
| Offside Rear Seat belt buckle damaged |7.1.2 |d|| | 1 |
| Nearside Front Outer Prop shaft joint constant velocity boot no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 1 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 1 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 1 |
| Central Rear Seat belt buckle not functioning as intended (7.1.2 (d)) | 1 |
| Central Rear Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 1 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Drivers view of an obligatory external mirror materially affected by an obstruction not working broken (3.1 (a) (ii)) | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated (1.1.6 (d)) | 1 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp |4.2.3 |c|| | 1 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine |8.2.2.2 |b|| | 1 |