Looking for Audi S4 repair in Phoenix? We work on Audi vehicles every day and cover the S4 across model years 2005 to 2006, 2008, 2010 to 2016, 2018 to 2025, with honest diagnostics and quotes you approve before work begins.
To help S4 owners know what to watch for, we reviewed public records from the National Highway Traffic Safety Administration (NHTSA). For these model years NHTSA has 265 owner complaints on file for the S4 and 10 safety recall campaigns. The most-reported problem areas are power train (93), exterior lighting (57), electrical system (40).
Most-Reported Audi S4 Problems
These problem areas come up most often in NHTSA owner complaints for the S4 (all model years combined). Complaint counts reflect reports filed, not the share of vehicles affected, so popular and older models naturally have more.
| Problem area (NHTSA component) | Complaints | Share | |
|---|---|---|---|
| Power Train | 93 | 35% | |
| Exterior Lighting | 57 | 21% | |
| Electrical System | 40 | 15% | |
| Steering | 29 | 10% | |
| Engine | 23 | 8% | |
| Air Bags | 15 | 5% | |
| Engine And Engine Cooling | 14 | 5% | |
| Fuel/Propulsion System | 9 | 3% |
Power Train
93 of the 265 complaints (35%) mention the powertrain. Powertrain complaints can range from rough shifting to loss of drive. We road test, scan for stored codes and inspect fluids before recommending any repair. See our auto repair page.
Exterior Lighting
57 of the 265 complaints (21%) mention lighting and visibility. Lights, wipers and visibility items are quick to fix and are on every rideshare inspection checklist. We check them as part of our inspection prep. See our rideshare inspection prep page.
Electrical System
40 of the 265 complaints (15%) mention the electrical system. Electrical problems are made worse by desert heat, which ages batteries, cables and connectors. We test the battery, starter and charging system and trace faults to the actual part. See our battery replacement and starter & alternator repair pages.
Audi S4 Complaints by Model Year
The S4 model years with the most NHTSA complaints on file are 2010, 2005, 2013. Older model years have had more time to collect reports, so use this table as a guide for what to inspect, not as a verdict on any one vehicle.
| Model year | Complaints on file | |
|---|---|---|
| 2005 | 43 | |
| 2006 | 30 | |
| 2008 | 4 | |
| 2010 | 60 | |
| 2011 | 26 | |
| 2012 | 22 | |
| 2013 | 33 | |
| 2014 | 17 | |
| 2015 | 1 | |
| 2018 | 7 | |
| 2019 | 2 | |
| 2020 | 17 | |
| 2021 | 2 | |
| 2022 | 1 |
Most Common Audi S4 Check Engine Codes
Owners often put the exact trouble code in their NHTSA complaint. These are the codes cited most often for the S4. The most-cited is P179E (manufacturer-specific powertrain code), mentioned in 3 complaints. Counts reflect complaints that name a code, not every car on the road.
| Code | What it means | Complaints citing it |
|---|---|---|
| P179E | Manufacturer-specific powertrain code The meaning of this code varies by make and model, so it needs to be looked up for your vehicle and tested. | 3 |
A code is a clue, not a diagnosis. The same code can have several causes, so we test before replacing parts. See our check engine light diagnostics, and read whether it is safe to drive with the check engine light on.
Audi S4 Safety Recalls
NHTSA lists 10 recall campaigns for the S4 in these model years, most often involving air bags, fuel system, gasoline, seats. Recalls are repaired by the manufacturer at no charge to you, but each applies only to certain vehicles. Look up your VIN at nhtsa.gov/recalls.
- 2022 recall, Tires (campaign 22V034000): Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2021 Audi A5 Sportback, RS5 Coupe, RS5 Sportback, S5 Sportback, 2020-2021 A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A6 Allroad, A6 Sedan, A7, A8, Q5, S4 Sedan, S5...
- 2022 recall, Back Over Prevention (campaign 22V742000): Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Audi A8, RS7, RS6 Avant, RS5 Sportback, RS5 Coupe, Q8, Q7, Q5 Sportback, S4 Sedan, Q5, A7, A6, A6 Allroad, A5 Sportback, A5 Coupe, A5 Cabrioleet, A4 Sedan, A4...
- 2021 recall, Seats (campaign 21V874000): Volkswagen Group of America, Inc. (Audi) is recalling certain 2017-2020 A4 Allroad, A4 Sedan, 2018-2019 RS5 Coupe, 2019 RS5 Sportback, 2018-2020 A5 Cabriolet, A5 Coupe, A5 Sportback, S4 Sedan, S5 Cabriolet, S5 Coupe, and Audi S5 Sportback...
- 2021 recall, Suspension (campaign 21V295000): Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Q7, Q8, Q5 Sportback, SQ5 Sportback, RS6 Avant, RS7, RS Q8, 2020-2021 Audi S6 sedan, Q5, A8, S8, A7, A6 Allroad, A5 Cabriolet, A4 sedan, A4 Allroad, SQ5, S7, A6 sedan, S5...
- 2021 recall, Seat Belts (campaign 21V606000): Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Volkswagen ID4, Audi A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A5 Sportback, A6 Allroad, A6 Sedan, A7, A8, E-Tron Quattro, E-Tron Sportback Quattro, Q3, Q5, Q5...
- 2019 recall, Air Bags (campaign 19V547000): Volkswagen Group of America, Inc. (Audi) is recalling certain 2018-2019 Audi RS5 Sportback, 2018 S5 Cabriolet, S5 Sportback, S5 Coupe, S4 Sedan, A5 Cabriolet, A5 Sportback, A5 Coupe, and 2017-2018 A4 Sedan and A4 Allroad vehicles.
Serious Incident Reports
Of the NHTSA complaints on file for the S4, 4 involved a crash, 2 involved a fire, 2 reported injuries. These numbers are drawn from self-reported complaints and are not verified findings. If your vehicle has an open recall, get it repaired promptly.
Keeping a Audi S4 Reliable in Phoenix
Arizona heat is the hardest test a Audi will face. Batteries, belts, hoses, tires and engine oil all wear faster here, and a S4 that spends its life in stop-and-go Valley traffic needs maintenance earlier than the owner's manual's normal schedule suggests.
Our recommendation for S4 owners: follow the severe-service schedule, test the battery before every summer, inspect brakes and tires twice a year, and have any warning light diagnosed instead of ignored. If you are shopping for a used Audi S4, a pre-purchase inspection shows what the paperwork does not.
Audi S4 Services at EZ Swap LLC
Get the details on our Phoenix Audi S4 repair service, or choose a service below.
Auto Repair
All makes and models, from domestic trucks to imports.
Details →Rideshare Inspection Prep
Get approved for Uber, Lyft and more.
Details →Battery Replacement
Test, replace and protect against Phoenix heat.
Details →Starter & Alternator Repair
Charging and starting system repair.
Details →Oil Change & Maintenance
Oil, filters, fluids, tires and scheduled service.
Details →Car A/C Repair
Phoenix heat demands cold air.
Details →Audi S4 FAQ
What are the most common problems with the Audi S4?
Based on NHTSA owner complaints, the most-reported problem areas for the Audi S4 are power train (93), exterior lighting (57), electrical system (40). Complaint counts reflect reports filed, not the share of vehicles affected.
Which S4 model years have the most complaints?
The S4 model years with the most NHTSA complaints on file are 2010, 2005, 2013. Older years have had longer to collect reports, so inspect any specific vehicle before buying.
What are the most common check engine codes on the Audi S4?
In NHTSA owner complaints for the Audi S4, the codes cited most often are P179E (manufacturer-specific powertrain code). A code points to a system, and testing confirms the actual failed part.
Does the Audi S4 have any safety recalls?
NHTSA lists 10 recall campaigns for the Audi S4 across model years 2005 to 2006, 2008, 2010 to 2016, 2018 to 2025. Each recall applies only to certain vehicles, so enter your VIN at nhtsa.gov/recalls to see if yours is affected.
Do you repair the Audi S4 in Phoenix?
Yes. EZ Swap LLC repairs and maintains Audi vehicles including the S4, at 9050 N 9th St in Phoenix. Call or text (602) 246-9063 for an appointment.
Is a pre-purchase inspection worth it for a used Audi S4?
Yes. An inspection checks the engine, transmission, brakes, suspension, A/C and electrical system, and scans for stored codes, so you know the real condition before you buy.
How often should I service my Audi S4 in Phoenix?
Follow the severe-service schedule in your owner's manual, since heat and stop-and-go driving count as severe use. Test the battery before summer and inspect brakes and tires regularly.
More Audi Models We Service
Source: public complaint and recall records from the National Highway Traffic Safety Administration (nhtsa.gov). Counts reflect reports filed and do not predict the condition of any individual vehicle.