This bulletin offers information about the basic information needed for technical requests for gaerbox complaints.
full bulletin at NHTSA ↗2010 Audi S5 powertrain problems
moderate 10 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
When does it fail?
Of the 10 powertrain complaints filed for the 2010 Audi S5, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
Reported failure mileage clusters in the 50,000-75,000 mi band — 5 of 7 complaints with an odometer reading on file land there.
No new NHTSA powertrain complaint has been filed on this vehicle in over 10 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This bulletin offers information about the basic information needed for technical requests for gaerbox complaints.
full bulletin at NHTSA ↗This bulletin provides information when there is a fault shown; Engine: start/stop system, and the start system is not working; mileage below 50 km/32 miles.
full bulletin at NHTSA ↗This bulletin contains instructions for diagnosing transmission leaks and repairing them.
full bulletin at NHTSA ↗Supersedes Technical Service Bulletin Group 30 number 11-10 dated December 2, 2011. Clutch is not operating properly. Clutch has a burnt smell. Clutch pedal does not fully return to starting position. Incorrect shifting, the revolutions of clutch plate and engine input shaft differ too much, excessive slipping of the clutch, and when the clutch is pressed and an incorrect lower gear is selected, can result in clutch damage.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2010 Audi S5 powertrain problems cluster heavily around the 7-speed S-Tronic/Triptronic transmission and its mechatronic control unit. The most frequent and dangerous complaint is a hard downshift from 2nd to 1st gear during city stops or slow traffic, especially when transmission oil runs hot. The vehicle lurches forward forcefully, nearly hitting stopped traffic or pedestrians. Some owners report the transmission slips into limp mode unexpectedly and sometimes defaults to neutral on the freeway without warning, cutting engine power and creating loss-of-control situations.
A second major issue is complete gearbox malfunction where the vehicle loses all power delivery at intersections despite the engine running and transmission in gear. Owners describe being stranded during merge attempts, only to have power return randomly after restarting.
Owners report jerky engagement throughout the range, especially from neutral to drive. Audi dealerships have offered $500 software updates (TPI 2023830/1) without guarantee, but complaints indicate these upgrades don't resolve the core problem. Repair estimates for the mechatronic unit itself run $4,000 and full transmission replacement $11,000. Several owners report that even after mechatronic replacement at significant cost, the failure recurred.
Failure modes owners describe
Limp mode shifting to neutral on freeway
Transmission enters limp mode and unexpectedly downshifts or defaults to neutral position while driving at highway speeds, creating loss of engine braking and control. Occurs intermittently at first, then with increasing frequency. Resets temporarily after key-off restart.
When: Began occurring once per month, increasing in frequency; some reports linked to hot transmission oil conditions
Symptoms owners cite: Transmission shifts to neutral without warning while cruising; Loss of vehicle control on freeway; Limp mode engagement; Issue resolves after restarting vehicle; Sport mode reduces frequency but does not eliminate problem
Repairs/costs cited: Audi dealership quoted $5,000 for Triptronic module replacement; owner replaced ECU and fuel regulator out of pocket prior to diagnosis
Recalls/TSBs owners mention: Audi identified issue as Triptronic module malfunction inside transmission
Hard 2-to-1 downshift with forward lunge
When transmission downshifts from 2nd to 1st gear during stops or low-speed driving, especially in stop-and-go or hot weather conditions, transmission executes sudden forceful shift causing vehicle to lurch or jump forward unexpectedly. Owners report nearly hitting vehicles and pedestrians.
When: Occurs after prolonged stop-and-go driving; more frequent in hot weather or when transmission oil temperature is elevated
Symptoms owners cite: Sudden jerking or lurching forward when shifting to 1st gear; Hard downshift with strong bang in transmission; Vehicle attempts to move forward despite brakes engaged; Unsafe sudden shift from N to D; Recurs without warning over extended ownership periods
Codes mentioned: TPI 2023830/1
Repairs/costs cited: Audi offered $500 software update without guarantee of fix; mechatronics unit replacement quoted at $4,000; transmission replacement quoted at $11,000; one owner paid $800 for software update with no improvement; another replaced mechatronic unit but failure persisted
Recalls/TSBs owners mention: TPI 2023830/1 identified for jerk when stopping and hard 2-1 shift; $500 software upgrade available; techs acknowledge mechatronic unit defect when hot; Audi refused warranty replacement on some vehicles
Gearbox malfunction leaving vehicle immobile
Transmission enters gearbox malfunction state rendering vehicle unable to accelerate or move, despite engine running and transmission in gear. Vehicle becomes stranded at intersections with only minimal movement capability, creating collision hazard when merging into traffic. Issue resolves after 5-minute key-off period but recurs randomly.
When: Occurs intermittently at random intervals, particularly at stop lights and intersections
Symptoms owners cite: Gearbox malfunction message; Vehicle refuses to accelerate or move when needed; Engine running but no power delivery; Only partial movement from dead stop; Resets after approximately 5-minute rest period; Recurs without pattern at subsequent intersections
Repairs/costs cited: Owner spent over $3,000 replacing mechatronic unit and battery; failure continued to occur after repairs
Jerky transmission behavior at low speeds
Transmission exhibits rough, jerky engagement and disengagement during normal stop-and-go driving, particularly when shifting from neutral to drive. Vehicle behavior inconsistent with smooth automatic transmission operation.
When: Ongoing issue during normal city driving
Symptoms owners cite: Jerky shifts when reaching a stop; Sudden forceful engagement from N to D; Rough transmission behavior
Recalls/TSBs owners mention: TPI 2023830/1 identified; $500 software update available; Audi claims jerky brake engagement is normal behavior on some tested vehicles
Loss of power and acceleration during driving
Engine loses power and acceleration capability unexpectedly while in traffic, rendering vehicle unable to maintain speed or safely pull over. Creates immediate collision hazard.
When: Occurs while driving in traffic
Symptoms owners cite: Sudden loss of power without warning; Loss of acceleration; Vehicle unable to safely merge or pull over
Recalls/TSBs owners mention: Audi attributes issue to mechatronic unit malfunction
Synthesized from 10 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 10 most recent
Tl* the contact owns a 2010 Audi s5. The contact stated that the vehicle lunged forward without warning when the gear engaged. The dealer diagnosed that the mechatronics was defective and needed to be replaced. The vehicle was repaired; however, the failure persisted. The contact mentioned that the vehicle went back to the dealer two more times and the technician diagnosed that the transmission…
This is a follow-up to complaint 10785783; after retrieving the vehicle history it revealed the problems described in the initial complaint have occurred in the past as well and this clearly indicates common and reoccurring manufacturing issues that should be addressed by vag: 1) the transmission 0b5 dl501 had been already serviced for mechatronics issues at 58.273 miles. Please note that this…
1) the main safety concern is the 7 speed dsg/s-tronic automatic transmission which feels jerky when reaching to a stop; the breaks fully engaged and the vehicle tries a sudden move forward due to this. Various tpi's related to the problem (tpi 2023830/1 jerk when stopping, hard 2-1 shift, s-tronic). Audi dealerships are asking for about 500$ just to upgrade the software on the transmission…
There is a known problem with the Audi s-tronic transmission where the mechatronics unit which controls the shifts is defective. This will result in the mechatronic needing to be replaced to the tune of 4 thousand dollars or at worst the transmission to be replaced for 11 thousand dollars. The car will start doing hard 2 to first shifts and almost throw you into the car in front of you if you do…
When driving in hot weather, on a busy boulevard, coming to a red light, as automatic transmission shifts down to first gear, car lurches forward with a strong bang in the transmission. Almost hit pedestrians in the crosswalk. If I was not heavy on the brake pedal there would no doubt have been injuries. This is not an isolated incident. It has happened many times and without warning. Audi…
After driving in stop and go driving for a period of time the transmission starts to act up. When coming to a complete stop the car will shift down into first gear after the stop and cause the car to leap forward. I have almost rear ended several cars as a result of this. It is a well know problem with the Audi s-tronic transmissions found in the Audi s5 cabriolet and the Audi s4 models. The oil…
A "gearbox malfunction" intermittently occurs, leaving the car in a "non-moving" state. When this issue occurs, an attempt to start the vehicle from a dead stop will move the vehicle only enough to get you into traffic and potentially get broadsided or rear-ended. The car simply "stops moving" right when you need it to move in order to merge into traffic. It will not move but remains running and…
While driving in traffic the car will lose power without warning. Which makes it very dangerous to pull over almost hitting upcoming traffic with no acceleration. Audi says it's a mechatronic unit.
2010 Audi s5 s-tronic transmission jumps and jerks when coming to a complete stop.
Car started of going on limp mode about once a month then it started to get more frequent. Limp mode was supposed to be designed to put your car into a lower gear to protect the transmission, but instead of doing that the car would shift itself into neutral position while on the freeway causing me not have a full control of the car making it very dangerous to pull over. As soon as I turn off the…
Common questions
How serious is the powertrain problem on the 2010 Audi S5?
It's a documented issue but not catastrophic. 10 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Based on the 10 complaints filed, powertrain issues most often appear around 51,496 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.