# Audi a6 2009 problems

## Audi A6 - Problems, Statistics, and Analysis

Audi A6 owners have reported a total of 1,553 problems for their cars built in the 25 model years listed in the chart below. The chart shows the number of problems reported across all service years for each given model year of the Audi A6. The 1999 Audi A6 cars have the most problems reported (224 problems).

### 🔍 Common problems of Audi A6

The following chart shows the 28 most common problems for Audi A6 cars. The number one most common problem is related to the vehicle's air bags (299 problems). The second most common problem is related to the vehicle's electrical system (249 problems).

### 📉 Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Audi A6 of an older model year to newer model years since older vehicles have been in service longer and thus are expected to have more problems. In order to compare the reliability across A6 model years, we use the PPMY index which is defined as the problems reported per thousand vehicles per Year. A smaller PPMY index indicates greater reliability of the given model year cars.

PPMY = P / S / Y * 1000,

where P = total problems reported during the life of a Audi A6 model year; S = total units sold of the model year; Y = years since the debut of the model year (the age of the vehicle).

The results are shown in Table 3.

### Table 3. Use PPMY Index to Compare Reliability Across A6 Model Years

A6
Model Year
Problems Sales [1]Vehicle
Age
PPMY Index
2020 45,9481

0.67

2019 2618,5092

0.70

2018 516,2593

0.10

2017 1016,9734

0.15

2016 3929,4905

0.26

2015 1914,7876

0.21

2014 3120,2547

0.22

2013 6521,0598

0.39

2012 7318,3349

0.44

2011 197,25010

0.26

2010 226,90811

0.29

2009 214,28312

0.41

2008 7116,64113

0.33

2007 6111,64014

0.37

2006 7918,11515

0.29

2005 11215,45616

0.45

2004 3515,88417

0.13

2003 7218,54818

0.22

2002 9722,20619

0.23

2001 11533,89620

0.17

2000 15026,29221

0.27

### 📊 Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of the Audi A6 is to use the total number of problems reported during the vehicle's first year in service, as shown in the Table 4.

### Table 4. Number of problems in vehicle's; first service year

Model YearProblems Reported
2019 A6

10

2017 A6

1

2016 A6

7

2015 A6

2

2014 A6

7

2013 A6

3

2012 A6

3

2011 A6

1

2010 A6

4

2009 A6

1

2008 A6

2

2007 A6

1

2006 A6

3

2005 A6

3

2004 A6

1

2003 A6

7

2002 A6

9

2001 A6

9

2000 A6

18

1999 A6

23

1998 A6

9

Sours: https://www.carproblemzoo.com/audi/a6/

## Audi A6 Problems

• Family

Looking for tips on how to carry or travel with your family?

Not just utes. Detailed advice for you - the tradie - on what car is right for you and your job

Looking for an answer? Our automotive experts are here to help

• Is it illegal?

If you're wondering, we've probably got the answer

• Towing Capacity

Unsure of your car's maximum towing capacity? We've listed all relevant models here.

• Tyre pressure

Wondering how much air to put in your tyres? Our database has the answer

• Safety

Everything you need to know to keep you and your family as safe as possible

• Finance

• Insurance

Tips for getting the right insurance and how to make a claim

• Car dimensions

Everything you need to know when sizing up your new car

• Sours: https://www.carsguide.com.au/audi/a6/problems

## Audi A6 2009 Problems

• Family

Looking for tips on how to carry or travel with your family?

Not just utes. Detailed advice for you - the tradie - on what car is right for you and your job

Looking for an answer? Our automotive experts are here to help

• Is it illegal?

If you're wondering, we've probably got the answer

• Towing Capacity

Unsure of your car's maximum towing capacity? We've listed all relevant models here.

• Tyre pressure

Wondering how much air to put in your tyres? Our database has the answer

• Safety

Everything you need to know to keep you and your family as safe as possible

• Finance

• Insurance

Tips for getting the right insurance and how to make a claim

• Car dimensions

Everything you need to know when sizing up your new car

• Sours: https://www.carsguide.com.au/audi/a6/problems/2009

## Audi 2.0t TSI Engine Common Problems

The 2.0T TSI engine is found in almost all of Audi’s line up since 2009-present.  There have been several variations of this engine used in the VW and Audi line up over the years, and each generation has their own quirks, along with pros and cons. One major difference from the VW side, is the addition of 2nd generation TSI, utilizing AVS (Audi Valve Shift), and the use of Ethanol fuels.  Earlier 2.0T’s from 2009-2011.5 (CAEB,CAED engine codes) used a plastic intake manifold, while the 2012-2016 2.0T’s (CMPA, CPMB engine codes) used a plastic lower section, and an aluminum upper section.  These were used to house improved PCV vent distribution tubes, along with an additional injector for ethanol fuels.

Need help repairing your Audi?  Schedule an appointment at our Audi Repair Shop located in the Charlotte Area.

Audi models with the 2.0T TSI Gen1 Engine

A4 2.0T TSI Gen1 2009-2011.5

A5 2.0T TSI Gen1 2009-2011.5

A6 CVT (FWD) 2.0T TSI Gen1 2012-2014

Q5 2.0T TSI Gen1 2009-2011.5

Audi models with the 2.0T TSI Gen2 Engine

Audi A4 2.0T TSI Gen2 2012-2016

Audi A6 2.0T TSI Gen2 2014-2015

Q5 2.0T TSI Gen2 2012-2017

If you have either of these models these TSI Audi models your engine is slightly different and we have a TSI Common Problem Article HERE that is more applicable.

A3 2.0T TSI 2008.5 - 2014

TT 2.0T TSI (except TT-S) Mk2 2008.5 - 2014

2.0T TSI Ignition Coils, Misfires, and Fuel Injectors

If you are having misfire faults in your vehicle, it's very common in these vehicles to have problems beyond a faulty coil or spark plug.  Here’s a few tips to keep in mind when attempting to diagnose misfires:

In the dealership, it’s common practice to first check compression on all cylinders.  If you’re outside of the dealership, and don’t have easy access to those tools, you can check all of the spark plugs.  Look at the electrode and ground of the plug. If they’re worn, discolored, or any ceramic missing from the center electrode, replace them.  If there’s ceramic missing, you may have bigger concerns, but we’ll get to that later.  If replacement of the spark plugs has helped, but you still have misfires, swapping ignition coils to a neighboring cylinder is a way to rule out a faulty coil.  If you find any to be suspect, it’s best to replace them all.  There have been several updates to these coils over the years, so be sure you’re getting the most up to date revision available. If you find that any spark plug is fuel soaked, or oil residue (plugs will have a dark brown build up) on the electrode, you will need to alleviate those concerns before proceeding further.

Fuel injectors have an extended warranty on them depending on the year, and vehicle model, up to 10yr/120k miles.  Keep in mind, this warranty extension is ONLY for stock vehicles that have NOT been modified via aftermarket software or piggyback systems.  And yes, it is a requirement for dealership personnel to verify software coding before validating any warranty extension for a fuel injector concern.  If any of the spark plugs were wet with fuel, you can check the cylinder with a borescope, and look at the tops of the pistons for fuel build up.  Sometimes, if you turn the engine over with the fuel injector harness disconnected, you can see fuel squirt up from the spark plug tubes.  This test doesn’t work if the injector is stuck closed, so please keep this in mind.

One last thing to check would be the compression on each cylinder.  To do this, you will need to disconnect the 8-pin connector on the lower side of the intake manifold that powers each injector.  This cuts fuel to the injectors while cranking the engine over during your compression test, which can damage your compression gauge.  Once that’s done, remove all ignition coils and spark plugs, use your compression tester and spin the car over via the starter for 4-8 revolutions.  A good, healthy engine will have 160-200 PSI of compression.

If you have low compression, try adding a few drops of oil down the spark plug tube to help with lubrication of the piston rings.  Repeat this for each cylinder.  If your numbers are still low, you’ll need to perform a cylinder leak down test. This test will need to be performed with whatever cylinder you’re testing, positioned at top dead center.  You can use a long screwdriver carefully inserted into the spark plug tube, and have a helper rotate the engine over by hand and carefully observe the position.  Once at top dead center, insert your leak down tester through the spark plug port.  Slowly add pressure into the cylinder and observe your readings.  If you have leak down, listen to wear the air is escaping from.  If the air is going into the intake, you have a damaged intake valve. If your air is bypassing into the exhaust, you have a damaged exhaust valve. If you have air escaping down into the crankcase, you have a damaged piston ring, or broken piston ringland.

Associated Parts

2.0T TSI Positive Crankcase Vent

Much like the VW’s with the TSI engines, Audi has the same problems.  There have been several revisions to the PCV systems between Gen1 and Gen2 TSI engines, and it’s important to adhere to certain revisions, as you could introduce oil consumption issues into your engine.  Audi uses a lower pressure regulating unit in their vents, and since 2012, those newer vents have been used throughout the Gen2 lineup.  Earlier Gen1 engines that were retrofitted, or had oil consumption measurements, or piston replacements done, all use an oil separator with a molded white cap on the regulating unit. If your vehicle does not have the white cap, be sure you get the correct regulating unit for your vehicle.

The faults for this concern range from system too lean at idle, O2 sensor performance, along with Intake Air System Leak.  One quick way to check the PCV operation is to open the hood, remove the plastic engine cover and find the vent hole on the circular diaphragm on the valve.  If you can put your finger over the vent hole and any whistling goes away, you have a bad breather.

Associated Parts

2.0T TSI Intake Manifold Runner Fault Codes

Much like VW, the Audi 2.0T TSI Gen1 engines suffer from manifold fault codes as well.  With the addition of the Gen2 engines, we don’t see problems with them as frequently as Gen1 TSI’s, mainly in part to the improved design of the lower intake manifold section.  This doesn’t mean it won’t happen, but not as common as the VW counterpart.

Associated Parts

2.0T TSI Gen1 (longitudinal engines) Boost Pressure Faults

Audi has had a few problems with the early 2009-2012 turbos used on the Gen1 2.0T TSI engine.  The turbo is known for premature failure due to a loose waste gate rod between the boost diaphragm, and the internal waste gate.  If you have faults for charge pressure negative deviation, or supercharger/turbocharger under boost faults, you first want to check for any boost leaks, vacuum leaks, or damaged intercooler.  If you have no external leaks, check the N249 turbo bypass valve or more commonly known as the diverter valve.  Early designs used a rubber diaphragm to seal between the valve housing and the control piston.  If the inner section is torn, missing entirely, comes apart in several pieces, or has oil leaking out from the electrical housing, replace it.

While you’re there inspecting the valve, check the turbocharger waste gate actuator rod for any play.  If the rod moves freely, or has any chatter coming from inside of the turbo, you very well could have a faulty turbo.  Another thing to check, is the diaphragm on the waste gate.  This valve is operated by boost pressure, so if you have a boost pressure test gauge, you can simply apply pressure to the valve, and verify that it holds pressure internally.  If there are any leaks internally, only way to repair this part, is by replacing the completed turbo and exhaust manifold assembly.

Associated Parts

2.0T TSI Gen1 High Pressure Fuel Pump Failures

Again, we have common failures between the VW and Audi brands, this time with the high pressure fuel pumps located on the intake side of the camshaft.  The pumps have an updated roller bearing that rides on the camshaft, decreasing wear, when compared to the earlier FSI engines.  Since these pumps operate at a much higher rate than the FSI pumps, we tend to see failures around the internal fuel pressure seals.  When these seals fail, it allows fuel from the internal workings, to pass through the compression piston and into the engine oil.  When this happens, you will have faults relating with rich conditions off idle, O2 sensor performance, or other various rich faults.  It’s best to pinpoint and work off of those other faults before jumping the gun on an expensive high pressure fuel pump.

Associated Parts

2.0T TSI Gen1 and Gen2 Carbon Build Up

As with any direction injected engine of recent years, we’re plagued with carbon build up on the intake valves.  You may potentially have intermittent misfire faults, but there’s one key way to pinpoint these misfires.  If you have access to a OEM Dealership scan tool, VagCom, or equivalent, you can look at the details of when the misfire faults occurred.

Looking at the engine coolant temperature, and the intake air temperature when the fault occurred helps a lot.  If you have a misfire and you suspect carbon build up, you will usually have misfires at cold start, within the first few minutes of driving.  The reason for this is simple, with a cold engine, the carbon is hard and prevents the intake valves from fully opening.  Once the engine warms up after a few minutes, the misfires decrease and sometimes, go away entirely, until the next cold start.  The time frame of when the buildup happens, all depends on driving style and ambient temperatures.  With more localized driving and putt-putting around town, you will have carbon build up more rapidly.

Associated Parts

2.0T TSI Gen1 and Gen2 Timing Chain Tensioner Failures

As with all other 2.0T TSI engines, both transverse and longitudinally mounted engines can suffer from timing chain tensioner stretch, or failures.  There are several faults that can be set based on stretch, and they vary by year and engine generation.  Rule of thumb, if you can inspect the timing chain tensioner, and see more than 7 teeth exposed on the tensioner piston, it’s timing to replace the timing chain and tensioning unit.  There have also been several revisions to these parts between the Gen1 and Gen2 engines, along with updated guides, brackets, and the camshaft bridges, so it’s best to get in touch with your parts professional for the most updated parts for your vehicle.

Associated Parts

2.0T TSI Water Pump Failures

Waterpumps on 2.0t engines can have concerns around leaking.  Most often this will result of a failure of the gasket where it bolts to the cylinder block, or a failure of the composite housing itself cracking.  While there have been many revisions of this water pump the latest version does not appear to be faulure prone.

It is important to note that there is a circumstance that may cause premature failure of your water pump.  This would be important to look at if you are installing a new waterpump or to prevent premature failure of the one in your vehicle.  Oil leaks can, and will cause premature failure of a water pump.  This is generally coming from the valve cover area and will leak down onto the waterpump below.  If this oil leak is not quickly addressed the oil will seep onto the waterpump.  This will compromise the seal and the housing of the waterpump causing premature failure.  If you are replacing a waterpump be sure this is not an issue on your vehicle.

Associated Parts

2.0T TSI Thermostat Failures

These faults aren’t as common, as the water pump housings themselves typically leak before these faults set, but just in case, sometimes you will have faults set for Cooling System Performance.  This fault sets in the engine control module when the different coolant temperature sensors all see different temperatures.  There are sensors in the lower radiator hose, rear coolant flange, and in the water pump assembly.  If these readings vary by too much, this fault will set.  If you have access to look at these readings through a scan tool, you will want to look at the measured values for these sensors.  Most likely, you will have a thermostat that is stuck open.  This thermostat is internal to the water pump assembly, so you’ll have to replace it as a combined part.

Associated Parts

2.0T TSI Oil Consumption Concerns

This is quite a loaded topic, as there are many variables that can contribute to consumption concerns.  Oil quality, oil capacity, driving styles (city, highway, combined) and oil viscosity (thickness) all play a role in consumption.  From a dealership or independent shop’s perspective, all external leaks have to be repaired before any internal consumption measurement can be evaluated.  Valve cover gaskets, vacuum pump seals, PCV breather valves, rear main crankshaft seals, front crankshaft seals, and the turbo should all have be checked for leaks before proceeding.  Rear main leaks aren’t as common as they are on the VW side, but it’s still something to look into.  The manufacturer advises that it’s not abnormal to burn some oil between services.  Half a quart to 1 quart isn’t uncommon for these engines.  The extended service intervals of 10,000 miles plays a role in that at times, but if you’re changing oil every 5,000, you’ll have less consumption between services.

Several years ago, there was a class action lawsuit brought against Audi for high oil consumption in 2.0T TSI engines produced between 2009-2011.5.  As part of the lawsuit settlement, the dealerships were replacing the PCV breather (commonly known as the oil separator), front crank seal, and performing a ECU software update.  This new PCV breather lowers the pressure in the crankcase breather, and helps reduce oil blow-by through the PCV system and intake.

Once these updated parts were installed, and a software update completed, technicians would either weight the oil in the engine, or perform an electronic oil measurement through the engine software.  This would document how much oil was in the engine.  After a period of time, and mileage, customers were asked to return to evaluate the consumption rate through a second measurement test. Once the information was evaluated, a determination would be made whether the consumption rate was within the agreed specification from the lawsuit settlement.  If the consumption was outside of those limits, repairs would then be made to proceed with piston ring replacement.  There are other factors that are taken into consideration when this process in approved, such as piston skirt damage upon disassembly, damaged cylinder walls from a broken or damaged ring, or bore measurements are outside of wear limits.  In the rare case that there’s damage to the cylinder walls, a complete long block (engine block and cylinder head) would have been installed.

When these piston ring jobs were completed, new pistons were installed with tighter fitting rings to fix the consumption issues.  This job involves completed engine tear down, so all new seals, gaskets, hardware, etc. was used to reassemble everything.  Crankshaft rod bearings were replaced on a case-by-case basis by some dealers, along with timing chain tensioners, chains, and guides.  If you have any questions about what was replaced during this repair, it’s best to get in contact with the dealership who performed this work, as each job is unique to each car.

Associated Parts

Updated Pistons for Oil Consumption TSB

Sours: https://www.shopdap.com/blog/post/audi-2-0t-tsi-common-problems.html

## Audi A6 Avant estate (2005-2011): owner reviews

### "With its big boot and smooth ride, the A6 Avant is a great estate car that’s designed first and foremost to be comfortable." &nbsp;

68%of people would recommend this car to a friend.

#### Common Problems

• Electrics (4 cases)
• Engine (3 cases)
I would recommend this car to a friend

Version

Average annual mileage

drive belt idler pulley fault. part failure which is rare

Version

Average annual mileage

Had major component replace td in gearbox. AC & brakes costing over Ł5K

2 out of 5

Above average repairs see above

Version

1.5-2 litre, Diesel, Manual

Average annual mileage

I would recommend this car to a friend

Version

1.5-2 litre, Diesel, Automatic

Average annual mileage

Odd little faults that appear and then disappear, like the scream from the rear speakers which sounded like something was being killed. It never reocurred and was not traced to anything. Or the odd warning buzzer which goes sounds occasionally when the key is removed from the ignition - same thing. She's and old lady with odd habits occasionally!

3 out of 5

Fuel has been our biggest cost. Servicing is cheap at a local non-franchised dealer.
I would recommend this car to a friend

Version

1.5-2 litre, Diesel, Manual

Average annual mileage

3 years old and owned for 6 months - only one minor problem so far. Battery drained slowly - traced to faulty amplifier on Bose stereo upgrade - replaced under warranty.

3 out of 5

Only averaging around 43mpg because most mileage is around town and 170bhp comes at a cost. Tyres quite expensive - 18inch lowish profile sports rating. However, quite shocked to hear of the Ł1000 bill to replace faulty amplifier fortunately covered by Audi network warranty.
I would recommend this car to a friend

Version

2-3 litre, Diesel, Manual

Average annual mileage

I have not had any problems at all in the 2 years of ownwership

Version

2-3 litre, Diesel, Automatic

Average annual mileage

very minor issues with memory seat functions

Average annual mileage

I would recommend this car to a friend

Version

1.5-2 litre, Diesel, Manual

Average annual mileage

It's great having sensors but I have had 2 fail in 6 months. Both not urgent but only fixed one for now.

4 out of 5

Cheaper than what expected but expensive on servicing etc at a main dealer.
I would recommend this car to a friend

Version

2-3 litre, Diesel, Automatic

Average annual mileage

Nothing of any note has gone wrong in 3 years

4 out of 5

Reasonable servicing and insurance costs but quite high road tax
I would recommend this car to a friend

Version

1.5-2 litre, Diesel, Manual

Average annual mileage

Never an issue with it and a dream to drive.

4 out of 5

Good Mpg and has 2 year service schedule but parts are pricey for Audi's.

Version

Average annual mileage

No problems at all - except for problems with the sat nav in hot weather (it stops working)
I would recommend this car to a friend

Version

2-3 litre, Diesel, Automatic

Average annual mileage

3 out of 5

It's an expensive car, I would expect higher bills
I would recommend this car to a friend

Version

1.5-2 litre, Diesel, Manual

Average annual mileage

Never had a problem that was not completely resolved with annual service. Minor problems (e.g. clutch not responding as well as might be hoped) resolved at minimal cost at service

4 out of 5

Replacing wing mirror was just under Ł500, which seems expensive but it is not a basic wing mirror, so cheap for what it is. Other expenses - tyres etc, not premium prices. Filling the large tank with diesel is a shock, but it runs very economically. Seems to need more oil than any other car I have owned, but again, not an issue.

Version

Average annual mileage

Three major breakdowns this year. Audi have just fitted a new engine. Very poor reliability.

2 out of 5

I would recommend this car to a friend

Version

2-3 litre, Diesel, Manual

Average annual mileage

4 out of 5

Okay for the size, power and torque
I would recommend this car to a friend

Average annual mileage

This vehicle has never let me down.

3 out of 5

I am happy with the running cost, this is a large vehicle with a good engine size, and with a very high equipment level (2000Kg)
I would recommend this car to a friend

Version

1.5-2 litre, Diesel, Manual

Average annual mileage

The Audi A6 is a comfortable executive car made by the well-known German manufacturer with a focus on comfort and ride quality. It is the evolution of the famous Audi 100, a popular car with businessmen in the late 1980s and early 1990s. Offering 4 wheel drive as standard, this is a powerful vehicle that is good for both long distance motoring and city sprints.

If you are thinking of purchasing a second hand Audi A6, you should be aware of a number of issue have been reported with this car.

Gearbox Problems

Is the CVT, automatic or multitronic gearbox on the Audi A6 hesitant or clunky when driving around town? If so then the chances are you have a software problem causing the fault in the rapid gear shifting in the vehicle. This could mean you need to get the gearbox reprogrammed at an Audi specialist, or in the case of high mileage cars, the gearbox may need a full replacement.

Excessive Oil Usage

The Audi A6 is known to be rather thirsty when it comes to oil. Make sure that the vehicle is properly stocked up with regular checks using the dipstick, ensuring that the oil level is well above the halfway mark to ensure the engine is well lubricated.

Dual Mass Flywheel Vibration

When you’re driving in the Audi A6, can you hear an excessive vibration coming from the engine when you increase the throttle in neutral? If this is the case then it is possible there is a problem originating in the dual mass flywheel. Get the vehicle checked out by a pro as this is an expensive part to replace.

Air Con Smells

Around 25% of all Audi A6s on the road suffer from some kind of issues with the air conditioning on the car. This can manifest in a couple of different ways; either as a very cold icy blast coming from the air outlets or as a musty or damp smell. Make sure you test this system fully before committing to buy a second hand vehicle.

Faulty Electrics

Electrics are also a known problem in the Audi A6 with particular issues occurring with the regulators in the electric window units. Be sure to check all the in car systems to ensure that there are no wiring issues in the vehicle, from the internal passenger lighting through to the stereo.

Rear Wheel Arch Rubbing

If you are considering purchasing an S-line Audi A6 then be sure to check the car under load. It is possible that the tyres will chafe against the wheel arches when the car is stocked up with luggage and passengers, which could cause damage to the rather expensive tyres. One way of looking for this problem is checking for marks in the centre of the rubber.

Timing Chain Tensioner Failures

A6s that feature V6 and V8 engines use a complex system of chains to keep the 4 valves per cylinder in time. These chains have plastic guides linking to the hydraulic pistons, which have been known to fail, causing misfiring and stalling in the engine. If you do not catch this problem early enough, it could lead to you needing a complete new engine.

Potential Airbag Failure

There have been a very small number of early A6s recalled due to a curtain airbag failure, where the airbags on the sides of the car fail to inflate properly due to a gas leak in the vehicle.

Parking Brake Leaks

Be sure to check the brakes on any Audi A6 that was built between 2012 and August 2014 as the vehicle may be leaking oil into the brake system that could cause problems when parking the vehicle. Whilst driving ensure you are achieving the correct stopping distances.

You should have no difficulty finding a used Audi A6 without any of the above problems on today’s second hand market and there are plenty of used Audi A6 parts available. This car makes an excellent choice for a quality car that still has the ability to turn heads and provide some serious pedal to the metal power.

This entry was posted in Cars on by Justin Smith.

As the man at the helm of BreakerLink, it is no surprise that its Director, Justin Smith, has always had a keen interest in cars, bikes and most things wheeled. Having spent over two decades in the car parts industry, Justin combines his passion that since 2002, has successfully united those looking for new and used car parts with the breaker that supplies them. Follow Justin on LinkedIn.

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• Provide reporting about users who interacted with ads using data observed during the course of the user's interaction with that ad
• Provide reporting to publishers about the ads displayed on their property
• Measure whether an ad is serving in a suitable editorial environment (brand-safe) context
• Determine the percentage of the ad that had the opportunity to be seen and the duration of that opportunity
• Combine this information with other information previously collected, including from across websites and apps
Vendors cannot:
• Apply panel- or similarly-derived audience insights data to ad measurement data without a Legal Basis to apply market research to generate audience insights (Purpose 9)
• ##### Measure content performance

To measure content performance vendors can:

• Measure and report on how content was delivered to and interacted with by users.
• Provide reporting, using directly measurable or known information, about users who interacted with the content
• Combine this information with other information previously collected, including from across websites and apps.
Vendors cannot:
• Measure whether and how ads (including native ads) were delivered to and interacted with by a user.
• Apply panel- or similarly derived audience insights data to ad measurement data without a Legal Basis to apply market research to generate audience insights (Purpose 9)
• ##### Apply market research to generate audience insights

To apply market research to generate audience insights vendors can:

• Provide aggregate reporting to advertisers or their representatives about the audiences reached by their ads, through panel-based and similarly derived insights.
• Provide aggregate reporting to publishers about the audiences that were served or interacted with content and/or ads on their property by applying panel-based and similarly derived insights.
• Associate offline data with an online user for the purposes of market research to generate audience insights if vendors have declared to match and combine offline data sources (Feature 1)
• Combine this information with other information previously collected including from across websites and apps.
Vendors cannot:
• Measure the performance and effectiveness of ads that a specific user was served or interacted with, without a Legal Basis to measure ad performance.
• Measure which content a specific user was served and how they interacted with it, without a Legal Basis to measure content performance.
• ##### Develop and improve products

To develop new products and improve products vendors can:

• Use information to improve their existing products with new features and to develop new products
• Create new models and algorithms through machine learning
Vendors cannot:
• Conduct any other data processing operation allowed under a different purpose under this purpose
• ##### Ensure security, prevent fraud, and debug

Always Active

To ensure security, prevent fraud and debug vendors can:

• Ensure data are securely transmitted
• Detect and prevent malicious, fraudulent, invalid, or illegal activity.
• Ensure correct and efficient operation of systems and processes, including to monitor and enhance the performance of systems and processes engaged in permitted purposes
Vendors cannot:
• Conduct any other data processing operation allowed under a different purpose under this purpose.
• ##### Technically deliver ads or content

Always Active

To deliver information and respond to technical requests vendors can:

• Use a user’s IP address to deliver an ad over the internet
• Respond to a user’s interaction with an ad by sending the user to a landing page
• Use a user’s IP address to deliver content over the internet
• Respond to a user’s interaction with content by sending the user to a landing page
• Use information about the device type and capabilities for delivering ads or content, for example, to deliver the right size ad creative or video file in a format supported by the device
Vendors cannot:
• Conduct any other data processing operation allowed under a different purpose under this purpose
• ##### Match and combine offline data sources

Always Active

Vendors can:

• Combine data obtained offline with data collected online in support of one or more Purposes or Special Purposes.

Always Active

Vendors can:

• Deterministically determine that two or more devices belong to the same user or household
• Probabilistically determine that two or more devices belong to the same user or household
• Actively scan device characteristics for identification for probabilistic identification if users have allowed vendors to actively scan device characteristics for identification (Special Feature 2)
• ##### Receive and use automatically-sent device characteristics for identification

Always Active

Vendors can:

• Create an identifier using data collected automatically from a device for specific characteristics, e.g. IP address, user-agent string.
• Use such an identifier to attempt to re-identify a device.
Vendors cannot:
• Create an identifier using data collected via actively scanning a device for specific characteristics, e.g. installed font or screen resolution without users’ separate opt-in to actively scanning device characteristics for identification.
• Use such an identifier to re-identify a device.

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