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MOT History from tests of diesel AUDI A6s year 2020

Review the list of common AUDI A6 failures below or to perform a specific mot history check on your AUDI then use our popular KnowYourCar service

mot history
Pass percent:94.53%
(The average a diesel AUDI A6 year 2020 passes without issue)
Based on:5,705 MOT Tests
Most common failuresNo# failures
Headlamp aim out of alignment41
Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))25
Registration plate issues25
Windscreen wiper does not clear the windscreen effectively21
Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))17
Windscreen washer not working 16
Supplementary restraint system warning lamp indicates a fault (7.1.6 (a))16
Front Service brake excessively fluctuating (1.2.1 (e))7
Offside Rear Lower Coil spring mounting corroded and seriously weakened (5.3.1 (b) (i))5
Rear fog lamp not working (4.5.1 (a) (ii))5
Nearside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))5
Nearside Rear Road wheel fixing missing (5.2.1 (a) (i))5
Horn not working (7.7 (a))4
Offside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))4
Nearside Rear Shock absorbers has a serious fluid leak3
Nearside Front Shock absorbers has a serious fluid leak3
Nearside Rear Lower Coil spring mounting corroded and seriously weakened (5.3.1 (b) (i))2
Rear Service brake excessively fluctuating (1.2.1 (e))2
Brake performance unable to be tested (1.2.1 (g))2
Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a))2
Nearside Front Road wheel fixing missing (5.2.1 (a) (i))2
Rear brake disc in such a condition that it is seriously weakened2
Parking brake efficiency below requirements (1.4.2 (a) (i))2
Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))2
Offside Rear Lower Coil spring mounting corroded and seriously weakened spring seat (5.3.1 (b) (i))1
Offside Rear Road wheel fixing missing One nut missing (5.2.1 (a) (i))1
Road wheel fixing missing Both front have one nut missing (5.2.1 (a) (i))1
Nearside Rear Road wheel more than one fixing missing 2 wheel nuts missing (5.2.1 (a) (ii))1
Nearside Rear Seat belt not functioning as intended seat belt twisted (7.1.2 (c))1
Offside Rear Seat belt not functioning as intended seat belt twisted (7.1.2 (c))1
Offside Front Drive shaft joint constant velocity boot missing (6.1.7 (g) (ii))1
Offside Rear Coil spring mounting damaged and seriously weakened (5.3.1 (b) (i))1
Drivers view of an obligatory external mirror significantly affected by an obstruction (3.1 (a) (ii))1
Offside Rear Rear fog lamp not working (4.5.1 (a) (ii))1
Nearside Front Headlamp insecure (4.1.1 (c))1
Offside Front Daytime running lamp not working (4.2.1 (a) (ii))1
Offside Front Direction indicator not working (4.4.1 (a) (ii))1
Headlamp aim unable to be tested (4.1.2 (b))1
Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))1
Offside Front Headlamp not working on main beam (4.1.1 (a) (ii))1
Offside Front Front fog lamp not working (4.5.1 (a) (ii))1
Exhaust particulate filter obviously defective (8.2.2.1 (a))1
Front Windscreen in an unacceptable condition (3.2 (c) (i))1
Front Brake lining(s) less than 1.5 mm thick (1.1.13 (a) (ii))1
All direction indicators not working (4.4.1 (a) (ii))1
Hazard warning lamps inoperative (4.4.1 (e))1
Windscreen wiper not working (3.4 (a))1
Offside Body component insecure lower spoiler (6.2.1 (a) (i))1
Emissions unable to be completed unable to communicate with obd scanner (8.2.2.2 (e))1
Offside Rear Lower Coil spring mounting damaged and seriously weakened (5.3.1 (b) (i))1
Central Rear Seat belt installation has cut and/or reworked original webbing (10.1 (a))1
Front Windscreen in such a condition that visibility through swept area is seriously affected (3.2 (c) (ii))1
Nearside Rear Coil spring mounting damaged and seriously weakened lower coil spring seat (5.3.1 (b) (i))1
Offside Rear Coil spring mounting damaged and seriously weakened lower coil spring seat (5.3.1 (b) (i))1
Central Rear Seat belt damaged (7.1.2 (b) (i))1
Offside Front Steering rack gaiter missing or no longer prevents the ingress of dirt insecure (2.1.3 (g) (ii))1
Offside Front Drive shaft joint excessively worn outer (6.1.7 (c) (i))1
Nearside Front Position lamp not working (4.2.1 (a) (ii))1
Offside Rear Service brake excessively fluctuating (1.2.1 (e))1
Undertray insecure (8.1.1 (b) (i))1
Nearside Front Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a))1
Offside Front Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (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
Central Front Window damaged and affecting the drivers view of an obligatory external mirror Chipped over 10mm (3.2 (a) (ii))1
Offside Front Brake pipe connection leaking on a hydraulic braking system (1.1.11 (b) (ii))1
Windscreen in an unacceptable condition (3.2 (c) (i))1
Front passenger door cannot be opened from outside the vehicle (6.2.3 (a))1
Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i))1
Central Rear Seat belt buckle missing (7.1.2 (d))1
Offside Rear Seat belt buckle not functioning as intended (7.1.2 (d))1
Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))1
Offside Rear Coil spring mounting corroded and seriously weakened lower spring mount is corroded. (5.3.1 (b) (i))1
Front Electrical wiring insulation so damaged or deteriorated it is likely to cause a short-circuit Rodent damage to wiring loom in engine bay exposing multiple wires. (4.11 (c) (ii))1
Nearside Front Brake pipe likely to become detached or damaged (1.1.11 (d) (ii))1
Engine MIL inoperative or indicates a malfunction add blue fault. stop start fault emissions within parameters (8.2.2.2 (g))1
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))1
Brakes imbalanced across an axle1
Offside Front Service brake excessively fluctuating (1.2.1 (e))1
Offside Front Shock absorbers has a serious fluid leak1
Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i))1
Rear Coil spring mounting fractured (5.3.1 (b) (i))1
Offside Headlamp not working on main beam (4.1.1 (a) (ii))1
Front Windscreen in an unacceptable condition Windscreen chipped in swept area of zone A at size of 10mm (3.2 (c) (i))1
Reversing lamp inoperative (4.6.1 (a))1
Windscreen wiper blade missing (3.4 (b) (ii))1
Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i))1
Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i))1
Offside Rear Shock absorbers has a serious fluid leak1
Anti-lock braking system warning lamp indicates an ABS fault1
Nearside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii))1
Nearside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))1
Offside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))1
Front passenger door cannot be opened from inside the vehicle (6.2.3 (a))1
Offside Rear Coil spring mounting corroded and seriously weakened (5.3.1 (b) (i))1
Service brake efficiency below requirements (1.2.2 (a) (i))1
Central Rear Seat belt webbing significantly weakened (7.1.2 (b) (ii))1
Nearside Front Road wheel fixing missing wheel bolt (5.2.1 (a) (i))1
Offside Front Road wheel fixing missing wheel bolt (5.2.1 (a) (i))1
Nearside Front Side repeater not working mirror (4.4.1 (a) (ii))1
Nearside Side repeater not working (4.4.1 (a) (ii))1
Offside Front Inner Suspension arm pin or bush excessively worn (5.3.4 (a) (i))1
Nearside Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a))1
Nearside Front Brake pipe likely to become detached or damaged Brake caliper pipe to flexi pipe clip missing. Rigid pipe rubbing on retaining bracket and flexing when steering. (1.1.11 (d) (ii))1
Offside Rear Road wheel fixing missing (5.2.1 (a) (i))1
Drivers seat fore and aft adjustment mechanism not functioning as intended. (6.2.5 (b) (i))1
Nearside Rear Road wheel fixing missing Wheel bolt missing. (5.2.1 (a) (i))1
Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i))1
Front Headlamp cleaning device for LED or HID headlamp inoperative frozen now thawed (4.1.6 (a) (ii))1
Nearside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a))1
Nearside Front Body panel damaged and likely to cause injury sharp edge (6.2.1 (a) (i))1
Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii))1

We get to these numbers by trawling through over 1 billion MOT test results since 2004 and crunched the numbers. We remove anything to do with Tyres, as they are model independent and group together common non-model specific issues. We are trying to get to a picture of what models have what issues.

Please note: We take the data from the DVSA. This data is raw and can contain typos and spelling mistakes that garages may have entered while recording a MOT result. Specifically miss-match on names of models and makes. We are constantly cleaning the data so bear with the odd issue.

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