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2012 Audi S4 Recalls, Issues & Maintenance

The 2012 Audi S4 carries 1 open NHTSA recall — most recently covering fuel rail. Owners report 4 recurring issue clusters, led by “DSG gearbox malfunction warning and limp mode.” Audi follows the VW Group Longlife service rhythm: oil and minor service every 10,000 miles or 12 months, whichever comes first, using oil that meets VW 502 00 / 504 00 (or 508 00 for newer 0W-20 engines) — generic synthetic does not qualify. S tronic dual-clutch gearboxes need fluid service every 40,000 miles despite 'lifetime fill' claims. Fully electric models (e-tron, e-tron GT) skip oil service entirely but keep brake-fluid, cabin-filter, and coolant-circuit intervals.

1 Open Recall

Source: NHTSA

FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL

Campaign #15V019000 · Jan 20, 2015

Issue: Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2011-2012 Audi S4, S5, Q7, 2012 Audi A6, Volkswagen Touareg Hybrid, and 2012-2013 Audi A7 vehicles. In the affected vehicles the fuel injection system may experience a fuel leak.

Risk: A fuel leak in the injection system in the presence of an ignition source, increases the risk of a fire.

Fix: Volkswagen will notify owners, and dealers will replace the fuel rails and corresponding seals, free of charge. The recall began on March 17, 2015. Owners may contact Audi customer service at 1-800-822-2834 or Volkswagen customer service at 1-800-893-5298. Volkswagen's numbers for this recall are 24AP for Audi customers and 24BK for Volkswagen customers.

Recall data refreshed Sep 13, 2026.

Known issues for this vehicle

What drivers and federal regulators have officially reported about the 2012 Audi S4.

Reported to NHTSA

DSG gearbox malfunction warning and limp mode

POWER TRAIN

11 NHTSA complaints · 2017-04 → 2019-09

“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”
— Owner report, NHTSA ODI #11258596
“I WAS DRIVING MY CAR WHEN I GOT THE 'GEARBOX MALFUNCTION" ON MY DASH AND A CHECK ENGINE LIGHT. IT THEN SAID THAT REVERSE WAS NOT AVAILABLE. THE CAR WENT LIMP AND WHEN SHIFTING INTO 2ND GEAR FROM 1ST GEAR WOULD REV TO VERY HIGH RPMS AND THEN FINALLY SHIFT”
— Owner report, NHTSA ODI #11058266
“A GEARBOX MALFUNCTION (WITH CODES P179E AND P179F) MAY CAUSE THE CAR ENTER ONE OF THE "LIMP MODE" STATES, WHICH CAN CUT ENGINE POWER FROM THE TRANSMISSION”
— Owner report, NHTSA ODI #10978959

Read all complaints on NHTSA →

DSG transmission harsh or jerky shifting

POWER TRAIN

5 NHTSA complaints · 2015-03 → 2019-08

“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”
— Owner report, NHTSA ODI #11246180
“DSG TRANSMISSION IS SHIFTING VERY ROUGH AND SOMETIMES SLIPS. ALSO LURCHES FORWARD SUDDENLY FROM A STOP CAUSING THE CAR TO LUNGE FORWARD”
— Owner report, NHTSA ODI #10995256
“VERY ABRUPTLY SHIFTS UP OR DOWN LAUNCHING THE CAR FORWARD WITHOUT WARNING”
— Owner report, NHTSA ODI #10764285

Read all complaints on NHTSA →

Coolant pump failure and engine overheating

FUEL/PROPULSION SYSTEM

2 NHTSA complaints · 2018-05 → 2018-09

“COOLANT PUMP BLEW OUT CAUSING THE ENGINE TO OVERHEAT”
— Owner report, NHTSA ODI #11127920
“MY COOLANT PUMP WENT OUT AND OVERHEATED THE CAR. THE COOLANT LEAKED OUT. MY CAR ONLY HAS 60K MILES ON IT”
— Owner report, NHTSA ODI #11092654

Read all complaints on NHTSA →

Fuel injector and fuel rail leaks

FUEL/PROPULSION SYSTEM

3 NHTSA complaints · 2012-12 → 2019-07

“FUEL INJECTOR LEAKING AND NEEDS REPLACED. MY CAR WAS NEVER ON THE RECALL LIST. SITTING AT AUDI DEALER NOW”
— Owner report, NHTSA ODI #11240976
“FUEL RAIL LEAKING FUEL. RELATED ISSUES ON OTHER 2011 AND 2012 AUDI S4”
— Owner report, NHTSA ODI #10970862
“THE CONTACT OWNS A 2012 AUDI S4. THE CONTACT STATED THAT THE VEHICLE EXHIBITED A FUEL LEAK. THE VEHICLE WAS TOWED TO THE DEALER HOWEVER, THE TECHNICIAN WAS UNABLE TO DIAGNOSE THE FAILURE”
— Owner report, NHTSA ODI #10487484

Read all complaints on NHTSA →

Issues on other model years

Source: NHTSA Office of Defects Investigation (ODI). Complaint data refreshed Sep 13, 2026. Investigation data refreshed Sep 13, 2026.

We display NHTSA's record with attribution; we don't editorialize on what these complaints mean for any specific vehicle.

Essential maintenance

Critical for safety and preventing major damage

Engine Oil & Filter (Longlife Service)

Every 10,000 mi

Replace oil and filter every 10,000 miles or 12 months with VW 502 00 / 504 00 / 508 00 spec oil. S and RS models driven hard: many owners shorten to 5,000-7,500 miles. Wrong-spec oil is the leading cause of TFSI timing-chain tensioner and PCV problems.

Estimated cost — typical U.S. ranges

Dealer

~$120–$160

Shop

~$85–$115

DIY

~$25–$55

Full synthetic costs more than conventional. 5-quart 0W-20 + filter is the typical bill.

Tire Rotation

Every 10,000 mi

Rotate every 10,000 miles with the oil service. quattro models: keep all four tires within 4/32" of each other — mismatched wear stresses the center differential.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Often free at the shop where you bought the tires — worth asking before paying.

Brake Inspection

Every 10,000 mi

Inspect pads, rotors, and wear sensors every 10,000 miles. Audi uses electronic pad-wear sensors on most models — replace the sensor with the pads.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Most shops do this free as a courtesy with any service. Don't pay separately if you can avoid it.

Brake Fluid

Every 24,000 mi

Replace DOT 4 brake fluid every 2 years regardless of mileage — Audi's published schedule is time-based because the fluid absorbs moisture.

Estimated cost — typical U.S. ranges

Dealer

~$180–$200

Shop

~$125–$140

DIY

~$10–$25

DOT 3 or 4 — match the cap. Vacuum bleeders make this a one-person DIY.

S tronic Dual-Clutch Fluid

Every 40,000 mi

S tronic (DSG) gearboxes on A3/S3/RS 3, Q3, TT, and many A5/Q5 models: replace fluid and filter every 40,000 miles with the VW Group-spec fluid for your gearbox code. Skipping this service is the most common cause of mechatronic failure.

Estimated cost — typical U.S. ranges

Dealer

~$470–$640

Shop

~$330–$450

DIY

Pro only

VW/Audi DSG service needs a fluid-fill procedure at a specific temperature — shop equipment territory.

Important maintenance

Keeps your vehicle running smoothly and efficiently

quattro Coupling Fluid (Transverse Models)

Every 40,000 mi

A3/S3/RS 3, Q3, and TT use a Haldex-style rear coupling: replace its fluid roughly every 40,000 miles (some model years specify sooner — check your manual). Longitudinal quattro (A5-A8, Q5, Q8) has no coupling service; see differential fluid instead.

Estimated cost — typical U.S. ranges

Dealer

~$220–$290

Shop

~$155–$205

DIY

~$40–$90

VW/Audi/Volvo AWD coupling — specific fluid required. Filter usually swapped at the same time.

Spark Plugs

Every 40,000 mi

TFSI turbo engines: new plugs every 40,000 miles. RS models with the 2.5 TFSI five-cylinder: consider 30,000 miles under track or hard street use.

Estimated cost — typical U.S. ranges

Dealer

~$285–$390

Shop

~$200–$275

DIY

~$25–$100

Iridium plugs cost more but last 100k+ miles. V6/V8 access varies wildly — some are tough.

Engine Air Filter

Every 40,000 mi

Replace every 40,000 miles; inspect at 20,000 on turbocharged engines — a clogged filter shows up as sluggish boost response first.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

5-minute job on most cars; the airbox lid usually has clips, no tools needed.

Timing Chain (EA888 — Inspect Tensioner)

On condition / lifetime

2.0 TFSI (EA888) engines before roughly 2013 had timing-chain tensioner failures — have the tensioner revision checked by 80,000 miles on earlier cars. Later engines carry the updated design with no scheduled service.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Pro only

Timing chains are normally lifetime. Listen for rattle on cold start — that's the actionable signal. Replacement is major work, quote separately.

Recommended maintenance

Extends the life of your vehicle and improves comfort

Differential Fluid (Longitudinal quattro)

Every 60,000 mi

Q5, Q8, and A5-A8 quattro: independent Audi specialists recommend front/rear differential fluid service around 60,000 miles even where Audi lists it as lifetime fill.

Estimated cost — typical U.S. ranges

Dealer

~$150–$195

Shop

~$105–$135

DIY

~$20–$50

Drain plug + fill plug — straightforward DIY. AWD vehicles have two; budget for both.

Dust & Pollen Filter

Every 20,000 mi

Replace the cabin air filter every 20,000 miles or 2 years. Audi specifies an activated-carbon filter on most models.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

Usually behind the glovebox. Shops charge labor for a 10-minute job — easy DIY win.

G12evo / G13 Coolant

On condition / lifetime

Audi coolant is labeled lifetime fill. Independent VW/Audi specialists recommend a refresh around 5 years or 100,000 miles to protect the water pump and thermostat housing — and only with the correct pink/lilac VW Group coolant.

Estimated cost — typical U.S. ranges

Dealer

~$285–$330

Shop

~$200–$235

DIY

~$25–$60

Use the manufacturer-specified coolant — wrong color/chemistry can damage the cooling system.

Fatal crash history & reported problems

Occupant deaths in fatal crashes (FARS)

6 crashes 2010–2024

FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road. How to read this number

Owner-reported problem signals

Separate from the federal fatality data above: complaints owners filed with NHTSA about this year and model. These are reports of problems, unverified, and are counted here only as signals.

0

complaints mentioning a crash

2

complaints mentioning a fire

Reviewed known issues for this vehicle·Open recalls for this vehicle

Typical U.S. ranges. Actual quotes vary by shop, parts choice, and vehicle condition.

How we estimate: Dealer = OEM parts × 1.4 + labor × $165/hr. Shop = parts + labor × $115/hr. DIY = parts only.

This maintenance schedule for the 2012 Audi S4 reflects Audi's published service intervals and the Audi Service Interval Display system. Your actual service needs may vary based on driving conditions, climate, and vehicle usage. Always consult your owner's manual for model-specific recommendations.

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