This bulletin provides information in circumstances where there are noises/vibration from front of vehicle in dynamic mode.
full bulletin at NHTSA ↗2009 Audi A4 electrical problems
severe 3 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Complaints
3
Recalls
0
Avg fix
$850
1fire
What stands out
Of the 13 model years of Audi A4 we track for electrical problems, this one has the fewest owner complaints on file (3).
No new NHTSA electrical complaint has been filed on this vehicle in over 4 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering electrical on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This TSB Provides information when parking assistance provides false warnings.
full bulletin at NHTSA ↗This bulletin proves information when the bluetooth does not work, adaption channel deactivated.
full bulletin at NHTSA ↗This bulletin proves information when the bluetooth does not work, adaption channel deactivated.
full bulletin at NHTSA ↗This bulletin provides informaiton when there are speaker rattles, vibrations or audio interference in the sound system.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 2 most recent
On Sunday December 19, 2021, while driving home the warning light for the battery/alternator flashed on with an associated beep warning. An estimated 30 miles later all electrical and motor functions died while I was in heavy traffic. I was able to pull off onto a narrow shoulder up a steep hill and park. All functions quit, I could not come out of "Park", the emergency brake switch would not…
I own a 2009 audi a4. On the Month of october 2024 my transmission failed. I towed my car to a mechanic who then replaced my transmission i picked up my car on December 11 2024 at 7 am from audi of fresno. I have had no prior issues and like always i expect a dealership to inspect a new vehicle that comes in ,as i have never been able to get work done with out them always doing their own…
Had electrical trouble with your 2009 Audi A4?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the electrical problem on the 2009 Audi A4?
It's a meaningful issue. 3 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Based on the 3 complaints filed, electrical issues most often appear around 44,598 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2009/Audi/A4.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.