2012 Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2012

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2012 Audi A4 / S4 / RS4 repairs by problem area

Engine (42%)

Transmission and Drivetrain (8%)

Brakes and Traction Control (3%)

Suspension and Steering (12%)

Electrical and Air Conditioning (13%)

Paint, Rust, Leaks, Rattles, and Trim (15%)

Other (7%)

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Chart based on 181 repairs.
See TSBs and recalls for the 2012 Audi A4 / S4 / RS4.

2012 Audi A4 / S4 / RS4 electrical repair cost distribution

$2500+ (0%)

$1000 - $2499 (4%)

$500 - $999 (4%)

$100 - $499 (17%)

< $100 (75%)

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Chart based on 24 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2012 Audi A4 4dr Wagon

turbocharged 211hp 2.0L I4 8-speed shiftable automatic AWD

19840 mi The passenger's side headlight washer is intermittently getting stuck in the open position. Can be closed with a slight push. Problem is persisting for at least a year. 

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2012 Audi A4 4dr Sedan

turbocharged 211hp 2.0L I4 8-speed shiftable automatic AWD

38000 mi Dead Battery 
111000 mi

US $461
Replaced faulty AC sensor 

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2012 Audi A4 4dr Sedan

turbocharged 211hp 2.0L I4 8-speed shiftable CVT FWD

45700 mi Mmi knob broke off. Dealer replaced it. 
37000 mi Heating system not working 

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2012 Audi A4 4dr Sedan

turbocharged 211hp 2.0L I4 6-speed manual AWD

12000 mi Left Headlight burned out, Dealer said too early for this to have happened so checked entire system; found cause of problem and fixed. Checking the system is why in shop for 2 days. 

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2012 Audi A4 4dr Sedan

supercharged 333hp 3.0L V6 7-speed automated manual AWD

48000 mi Fixed loose ground connection for rear window defroster 
42000 mi

US $85
Blower fan motor faulty. Also replaced regulator. 8K1820021C - Fan 8K0820521B - Regulator 
33000 mi During evasive maneuvers, dash would light up and sport-diff would report failed (no sport-diff installed). Steering assist failed. Stop/Restart would clear the codes. Diagnosed to be a bad voltage regulator. 
43000 mi 'One-touch' up/down feature not working. Dealer re-adjusted pinch protection. 
32500 mi

US $1200
Puncture to A/C condenser. Condenser replaced 
26000 mi IPod cable replaced after error message "Cannot read device" was received several times on device selection. 
25000 mi Compressor failed. Had to order new one from Germany. 
47000 mi Rear door, drivers side, upper speaker blown. 
26200 mi faulty hood sensor, not resetting engine oil level measurement 
11300 mi Cold air was blowing intermittently. Dealer replaced sensor. 
9000 mi alternator over charging, replaced voltage regulator for alternator 
71300 mi Centre instrument cluster display went blank. Removed instrument cluster to investigate, look for bulbs, etc. No easily servicable parts found. Someone on a forum said give it a whack. Tried that as a last resort before giving in to going to dealer for repair and it worked! ...however it went out again yesterday (was good for 2 weeks)...will try same method again but doubtful... 

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2012 Audi A4 4dr Sedan

supercharged 333hp 3.0L V6 6-speed manual AWD

50000 mi

US $300
Replaced weak battery 
42000 mi

US $800
Control module for windshield wipers not working and needed to be replaced. 
36300 mi

US $200
replaced battery 
52000 mi

US $80
Hood latch sensor malfunctioned. 
12400 mi

C $200
Bluetooth connection to phone seems to cause intermittent total lack of sound 
44500 mi Brake wear sensor harness had a damaged wire. Replaced under warranty. 

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2012 Audi A4 / S4 / RS4 Electrical Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2012 Audi A4 / S4 / RS4 problems occur, check out our car reliability stats.