| 1 | 0 | 3 | 4 | 3 | 4 |
2010 Audi A4 / S4 / RS4 repairs by problem area
Engine (39%)
Transmission and Drivetrain (11%)
Brakes and Traction Control (2%)
Suspension and Steering (12%)
Electrical and Air Conditioning (24%)
Paint, Rust, Leaks, Rattles, and Trim (9%)
Other (4%)
Select a problem area
- Engine
- Transmission and Drivetrain
- Brakes and Traction Control
- Suspension and Steering
- Electrical and Air Conditioning
- Paint, Rust, Leaks, Rattles, and Trim
- Other
Chart based on 400 repairs.
2010 Audi A4 / S4 / RS4 electrical repair cost distribution
$2500+ (0%)
$1000 - $2499 (4%)
$500 - $999 (8%)
$100 - $499 (18%)
< $100 (69%)
Chart based on 72 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2010 Audi A4 4dr Wagon
turbocharged 240hp 3.0L V6 Diesel 7-speed automated manual AWD
| 62620 mi €50 |
As explained in previous description, it’s possible I’ve been sold a defective battery, 4 months ago. I’ll have to keep on checking the situation in the next few weeks. |
2010 Audi A4 4dr Wagon
turbocharged 211hp 2.0L I4 6-speed shiftable automatic AWD
| 32300 mi | The Navigation screen will intermittently flicker. Dealer told me that this was due to the light sensor, Audi is aware of the problem, and does not at this time have a fix. |
| 112000 mi US $900 |
Alternator failed- the pulley on it broke |
| 17900 mi | Hood latch sensor faulty. Low oil light would not reset after adding oil. Sensor successfully replaced. |
| 2000 mi | -30 degrees outside the LED stop working, they fixed the wire, maybe metal contraction |
| 36000 mi | Rear light bulb blown. This was the second time a rear bulb has gone. Shop checked to see if there was any sort of systemic issue but found nothing. |
| 45000 mi | Warning light that right rear bulb was out. Dealer inspected and said it was a false alarm. The false alarm recurred on April 4. |
| 68700 mi US $258 |
Right rrear light fixture required replacement |
2010 Audi A4 4dr Wagon
turbocharged 170hp 2.0L I4 Diesel 6-speed manual AWD
| 9300 mi | Both side turning signal lights in the mirrors (LEDs) replaced due to fault code and moisture inside. First symptoms appeared 1 month after delivery. Complained about bad paintwork, but was told that it is normal nowadays... |
| 11780 mi | Blower started to give squeaking noice. Replaced under warranty. |
| 38440 mi | Bang&Olufsen audio system was dead - no sound at all. Radio and bluetooth connection were working fine, but just with no sound. |
| 89280 mi €250 |
Both side turning signals in mirrors replaced (again) due to moisture inside and causing corrosion in the LEDs. |
2010 Audi A4 4dr Wagon
supercharged 333hp 3.0L V6 6-speed manual AWD
| 22320 mi | Battery not woking. Replace battery |
2010 Audi A4 4dr Sedan
turbocharged 240hp 3.0L V6 Diesel 7-speed automated manual AWD
| 39060 mi | keyless entry sensor |
2010 Audi A4 4dr Sedan
turbocharged 211hp 2.0L I4 7-speed automated manual AWD
| 21080 mi | Phone not Syncing contacts |
| 62000 mi A $612 |
Driver side xenon bulb was turning off after being in for 5 minutes. Diagnosed as bulb needing replacement |
2010 Audi A4 4dr Sedan
turbocharged 211hp 2.0L I4 6-speed shiftable automatic AWD
| 41000 mi US $350 |
battery replacement |
| 14000 mi | Bad radio that needs to be replaced. |
| 15000 mi | Radio replaced. |
| 29000 mi | Bad Satelite Radio Antenna. Needed to be replaced. |
| 44000 mi | Headlight replaced during general maintenance. |
| 43400 mi | motor and fan bearing was loud. they have taken apart the passenger A/C fan and motor, said they replaced the motor but i dont think they replaced the fan, which was making the noise. |
| 65720 mi | Heat seat bottom malfunction |
| 56000 mi US $75 |
Center High Mounted Stop Light (CHMSL, the third, center brake light) had one, out of 10 or so, LED go out. I purchased a new CHMSL and replaced it myself. |
| 71000 mi US $80 |
Both LED brake light clusters were replaced due to faults. |
| 71800 mi US $80 |
Gas cap door has an electric lock that locks with the doors. This wasn't unlocking. They replaced the motor that retracts the locking pin on the door. |
| 159000 mi US $120 |
Replaced the blower motor; it was getting noisy. |
| 105000 mi US $96 |
Replaced rear led lights. |
| 73000 mi US $400 |
Failed alternator replaced battery at same time due to failing |
| 5000 mi | Rear power window stopped working properly around 4500 miles. The window couldn't fully closed. Instead, it will reverse as soon as it hits the top end of the window frame. |
| 27500 mi | Replaced side-mirror control switch since it was intermittently working. |
| 19200 mi | Video card failure in MMI system (non Navigation unit) which required dealer to replace with a brand new radio. 1st attempt - wrong part ordered. 2nd attempt - US-spec radio installed which resulted in compatibility issues. Awaiting 3rd uni |
| 20460 mi | Radio unit replaced and car reprogrammed. |
| 36580 mi | individual LED in the rear tail light cluster burned out. |
| 4500 mi | At 2,200 miles, static/interference noise from stereo with no sound for 5-15 seconds when starting car. Brought to dealer and new stereo was ordered for installation at a later date. Covered under warranty. |
| 6000 mi | Re-checked all the connections, cable routings and antenna (no problems), wanted to try a new amp (none on hand) and tried to order a gateway module (on national backorder). They did two software updates (2023416/1 and 2023281/1). New radio installed from April 2010 trip. Static problem continued when starting car, although shorter in duration (few seconds). Returned to dealer in May 2010 for 5K service and further service on stereo. |
| 12000 mi | Static problem continued (3 times in June) when starting car, although shorter in duration (few seconds). Front left tweeter enclosure vibrated when stereo was playing certain frequencies (example, phone call ring). Problem could not be replicated. Satellite radio reception seemed to be poorer, dropping signal when in past the signal would be OK (example, under small overpass). Reception was said to be similar to other cars. |
| 35000 mi | Airbag malfunction warning and ABS warning displayed after approximately 5 minutes of driving. Repair was seatbelt replacement. |
| 5000 mi | Airbag Sensor in passenger seat replaced as lighter individuals like my wife would not turn on sensor even though she should be over the threshold (verified in loaner A4). Parts replaced and functioning properly. Excellent service. |
2010 Audi A4 4dr Sedan
turbocharged 211hp 2.0L I4 6-speed manual AWD
| 46000 mi US $360 |
Right rear LED light burned out |
| 72000 mi | AC switch |
| 73400 mi US $100 |
Replace door lock switch |
| 58000 mi US $400 |
Led bulbs went out. Required replacement of the entire unit. |
| 36300 mi | Blower motor was making an unusual noise when using high fan speeds. |
| 43000 mi | LED tail lights: some elements went dark. Both sides were replaced. |
| 8000 mi | "side assist" was broken |
| 43000 mi | Dead starter. |
| 56300 mi US $600 |
AC coolant leak *and* recharge. |
2010 Audi A4 4dr Sedan
turbocharged 200hp 2.0L I4 6-speed shiftable automatic AWD
| 64440 mi C $450 |
Replaced heat blower motor. |
2010 Audi A4 4dr Sedan
supercharged 333hp 3.0L V6 7-speed automated manual AWD
| 107600 mi US $100 |
Needed battery replaced |
| 5500 mi | air fan was making a faint squeeking sounds. They said it was mal-aligned. Replaced under warranty. |
| 46500 mi C $400 |
Rear high brake light |
| 48980 mi C $500 |
Replace battery |
| 10000 mi | The Convenience Key System Failed |
| 60800 mi | Power door lock failed, replaced lock solenoid. |
| 125500 mi US $1800 |
headlight failed |
| 132900 mi US $400 |
Faulty blower |
| 64000 mi | Oil level warning would not reset after topping off oil. Replaced switch that senses hood closure under extended warranty. |
| 26000 mi | Rear window power sunshade stopped working. motor replaced. Installed improperly and broke 2 days after repair. part ordered again |
| 28700 mi | rain sensor stopped working so no intermittent wipers. sensor replaced |
| 65000 mi | Navigation system not recognizing satellite. Dealer can't establish connection with reboot. Recommends replacing nav system |
| 72000 mi US $650 |
navigation antenna not communicating with MMI |
| 3000 mi US $40 |
adjust headlights |
| 9000 mi | Rear speaker suddenly went to full blast or mute. No other volumes possible. Reset multimedia system myself + repeatedly shut off car. Dealer checked for faults + software updates. None found. |
| 14400 mi | Radio went to mute and would not recover. Automatically fixed itself overnight. Dealership checked for software update. None found. Could not duplicate problem. |
| 24000 mi | Noticed Nav button was sticky after last permaplate. Tech did something to try to make it less sticky, but did not completely succeed. |
| 72000 mi US $1200 |
The "convenience module" failed and had to be replaced. This unit controls the keyless entry and vehicle start switch. |
| 155000 mi US $800 |
alternator replaced |
| 17000 mi | Door sensor. |
| 14200 mi US $1100 |
Battery low warning message when listening to radio with engine shut off. Dealer replaced radio module but did not solve problem, credited for this later. Root cause: bad voltage regulator and battery. |
| 41000 mi | Oil reading low even when not. Service bulletin had already been issued by Audi. Switch replaced. |
2010 Audi A4 4dr Sedan
supercharged 333hp 3.0L V6 6-speed manual AWD
| 24280 mi C $300 |
Door lock switch cover fell off. Had to replace entire switch assembly. |
| 45000 mi | TSB: Hood switch. MMI reported wrong oil level. |
| 35000 mi | Passenger inner taillight had an LED that was out. Passenger inner taillight had an LED that was not working. |
| 42000 mi | Clutch release mechanism caused car to sometimes not start |
| 38600 mi | Previous owner had radio replaced by dealer and satellite radio was not working due to incorrect coding by dealer at the time. |
| 39700 mi C $50 |
Driver side lock sensor failed, replaced. Adaptive headlights have a mind of it's own, updated software and adjusted wiring. In both cases, the issues were not resolved, car back in on 2/26. |
| 49600 mi C $50 |
Issues still with the driver side door lock sensor. Other sensors replaced. Behaviour with the adaptive headlight looked at again, still misbehaving when temperature is below freezing. |
| 52480 mi | Adaptive headlight misbehaving, tech worked with resources in Germany, applied a firmware for the controllers. Okay so far, need to test when -20C next winter! |
| 58900 mi | LED light for the km/h market in speedometer blinking. Cluster to be replaced under CPO. |
| 50040 mi | Part for gauge cluster received and replaced under extended warranty. |
| 2480 mi | B&O System (all sound) stopped working. Repaired by software/firmware update. |
| 31000 mi | A/C intermittently blasting hot or cold. Right rear proximity sensor reading objects as close that were not. |
| 8560 mi | Side assist (blind spot detection) needed to be replaced on passenger side. Installed replacement part for side assist. |
| 15500 mi | Same issue as before - self levelling headlights not behaving. Audi reproduced problem and replaced on control system but problem returned couple of weeks later. Waiting on direction from Audi on next step. |
2010 Audi A4 / S4 / RS4
Engine not specified
| 2000 mi | LED turn signal on right headlight burned out. Resulted in having to replace complete headlight assy. |
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