RoadVitals

2012 Audi S4 Problems

Owner-reported complaints filed with NHTSA, grouped by component

Data refreshed

Owner complaintsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
22
Latest Sep 27, 2019
Components namedHow many of our component categories appear on at least one report for this model year. One report can name several.
5
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
2

What this page shows

Everything below is an owner-reported complaint submitted to NHTSA about the 2012 Audi S4, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Reports by component

Ranked by how many owner reports name each component category

  • Fuel system520.0%
  • Electrical312.0%
  • Brakes28.0%
  • Driver assistance14.0%

Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.

Each component in detail

What the reports in each category say, in the owners' own words

Powertrain (other)

Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.

14
reports

From owner reports, verbatim

CIRCUIT BOARD ON THE MECHATRONICS UNIT FAILED AND CAR IS UNDER 100K MILES. SUDDEN SHAKING AND BANGING ON THE HIGHWAY WHEN GIVING IT GAS ABOVE 30. FREQUENT JOLTS, DANGEROUS TO DRIVE...

NHTSA ID 11258596 · filed Sep 27, 2019

THE DSG TRANSMISSION IN MY AUDI S4 EXPERIENCES ABRUPT JERKING FROM 2ND TO 1ST GREAT WHILE DECELERATING. IT ALSO JERKS AND FEELS LIKE IT IS BEING HIT WHILE SHIFTING FROM 1ST TO 2ND WHEN ACCELERATING NORMALLY.

NHTSA ID 11246180 · filed Aug 24, 2019
All 14 reports naming powertrain (other)

Fuel system

Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.

5
reports

From owner reports, verbatim

FUEL INJECTOR LEAKING AND NEEDS REPLACED. MY CAR WAS NEVER ON THE RECALL LIST. SITTING AT AUDI DEALER NOW.

NHTSA ID 11240976 · filed Jul 31, 2019

COOLANT PUMP BLEW OUT CAUSING THE ENGINE TO OVERHEAT.

NHTSA ID 11127920 · filed Sep 6, 2018

Too few reports in this category for a page of its own — they appear in the full complaint list.

Electrical

Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.

3
reports

From owner reports, verbatim

WHILE DRIVING IN TRAFFIC, MY CAR DROPPED INTO LOWER GEARS AND STOPPED MOVING, AND TWO ERROR CODES POPPED UP "GEARBOX MALFUNCTION" AND "TPMS MALFUNCTION". LOOKING THIS UP ONLINE AND DISCUSSING WITH MY MECHANIC, THIS IS SOMETHING HAPPENING IN A LOT OF THE CARS THAT ARE THIS MAKE & MODEL AND HAVE THE SAME TRANSMISSION.

NHTSA ID 11096667 · filed May 18, 2018

VEHICLE FLASHES A GEARBOX MALFUNCTION WARNING AND MOST ELECTRONICS WENT DEAD. VEHICLE WOULD NOT ACCELERATE CAUSING ME TO NEARLY BE REAR ENDED. AFTER TURNING OFF CAR AND RESTARTING THE VEHICLE CONTINUES TO LOSE POWER RANDOMLY EVERY MILE OR SO. THIS CREATED VERY UNSAFE CONDITIONS ON A BUSY FREEWAY. THE PROBLEM TURNED OUT TO BE A FAULTY SENSOR IN THE TRANSMISSION. AUDI HAS ISSUED A TECHNICAL SERVICE BULLETIN ON THIS ISSUE BUT WILL NOT ACKNOWLEDGE THE HUGE SAFETY ISSUE WITH THIS DEFECTIVE TRANSMISSION.

NHTSA ID 11051129 · filed Nov 29, 2017

Too few reports in this category for a page of its own — they appear in the full complaint list.

Brakes

Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.

2
reports

From owner reports, verbatim

I AM A MECHNIC WITH 10 YEARS OF EXPERIENCE AND I JUST STARTED THIS NEW JOB TWO WEEKS AGO. THEIR JUST THREE MECHNICS IN THE SHOP. WE HAD A 2012 AUDI S4 COME INTO THE SHOP WITH THE OWNER COMPLAINING OF BRAKE PROBLEMS. THE OWNER OF THE CAR SAID THE SOMTIMES ALL THE SUDDEN HIS BRAKES WOULD GO OUT WHILE HE WAS DRIVING AND HIS BRAKE PEDEL FELT SOFT. I TOOK ON THE WORK. MY SHOP FOREMAN TOLD ME TO BLEED THE BRAKES OUT. SO I DID. I NOTICED THT THE BRAKE RESIVIOR HAD A THICK GREEN SUBTANCE IN IT. I KNEW FROM MY EXPERIENCE THAT THEIR WAS A LOT OF WATER AND OTHER CONTAMINATION IN THE SYSTEM. I IMEADITLY INFORMD MY FOREMAN THAT THE SYSTEM NEEDED TO BE FLUSHED AND CLEANED. MY FOREMAN TOLD ME THT THE CAR WAS DONE AND TO MOVE ON. I IMEADITLY EXPRESSED MY CONCERN AND GAVE MY PROFESSIONAL ADVICE THAT THAT CAR WAS NOT TO BE DRIVING UNTIL IT WAS FIXD. THE BRAKES COULD FAIL ANYTIME AND SOMONE COULD BE KILLED. HRS LATER I LOOKED OUTSIDE AND SEEN THE CARS OWNER AND HIS KIDS GET INTO THE CAR AND DRIVE OFF. I AGAIN EXPRESSED MY CONCERN TO THE FOREMAN. HE HAD TOLD THE CUSTOMER THT IT WAS FIXED. MY FORMAN JUST LET THIS COSTMER LEAVE OUT IN A CAR WITH HIS KIDS THE WAS UNSAFE TO BE ON THE ROAD. THE CAR IS A DEATH TRAP. MY FOREMAN JUST DIDNT CARE. NEXT DAY THE CAR CAME BACK WITH THE COSTOMER COMPLAING THE HIS BRAKES FAILD ON HIM AND THAT THEY WHERE NOT FIXED. IF SOMEONE HAD BEEN KILLED THAN IT WOULD BE MY FOREMANS FALT FOR NEGLANCE. I THINK HE SHOULD GOTO JAIL FOR THIS. IT IS MORALY WRONG AND DANGEROUS. WHT IS IT GONNA TAKE FOR THEASE TYPE OF ACTIONS FROM HIM TO STOP. HOPFULLY NOT FOR SOMONEMTO DIE FIRST.

NHTSA ID 10852354 · filed Mar 30, 2016

VERY ABRUPTLY SHIFTS UP OR DOWN LAUNCHING THE CAR FORWARD WITHOUT WARNING

NHTSA ID 10764285 · filed Sep 16, 2015

Too few reports in this category for a page of its own — they appear in the full complaint list.

Driver assistance

Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.

1
report

From owner reports, verbatim

VERY ABRUPTLY SHIFTS UP OR DOWN LAUNCHING THE CAR FORWARD WITHOUT WARNING

NHTSA ID 10764285 · filed Sep 16, 2015

Too few reports in this category for a page of its own — they appear in the full complaint list.

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .