I was taking it for an oil change and lube. After driving on the freeway at 60-70 MPH, I came off the freeway, went 2 blocks to a stoplight. As soon as I stopped, many warning lights started flashing, and became alarmed, went 3 blocks to the lube service center and some steam started coming from under the hood. The service men immediately took it in to check it out. They replaced some…
2012 Subaru Outback powertrain problems
severe 107 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Failure mileage
Complaints
107
Recalls
0
Avg fix
$2,500
4crashes
1fire
2injuries
When does it fail?
Of the 107 powertrain complaints filed for the 2012 Subaru Outback, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
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.
What stands out
Powertrain accounts for 37% of every owner complaint on file for this vehicle — the dominant problem area across 9 categories tracked.
Owners have filed 107 powertrain complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
The failure pattern owners describe
Buyer takeaway: The 2012 Outback's CVT transmission is plagued by torque converter failures causing stalling at stops and during normal driving—a serious safety issue that Subaru addressed with an extended warranty to 100k miles rather than a recall, leaving owners over that threshold facing $1,300–$10,000 repair bills with little recourse. Additionally, shift-interlock failures and cooling-system/head-gasket problems add significant risk and expense to ownership.
The 2012 Outback with CVT transmission is plagued by a well-documented torque converter failure that causes shuddering and stalling when coming to a stop—a hazard that occurs without warning at traffic lights, intersections, and highways. Owners describe the vehicle dying mid-braking and requiring a restart, sometimes repeatedly during a single trip. This failure appears around 50,000 miles and can continue well past 100,000 miles.
Subaru issued Service Bulletin 16-90-13R and extended transmission coverage to 100,000 miles or July 31, 2018 (whichever came first) instead of issuing a recall—a threshold many owners discovered after experiencing failure or after being denied warranty claims. Replacement of the torque converter runs $1,300–$1,800; valve body replacement adds another $1,500-plus if needed.
Beyond torque converter trouble, owners report complete CVT transmission failures ($7,600–$10,000 to replace) with dealers and the manufacturer often refusing warranty coverage citing mileage or claiming the problem cannot be replicated during diagnosis. A serious but less frequent failure is shift-interlock malfunction, where vehicles parked in Park with the engine off can suddenly roll away uncontrolled.
The 2.5L engine's head gasket fails in some vehicles, causing steam, warning lights, and overheating. Dashboard light flashing is common and often masks underlying transmission issues. Owners universally cite Subaru's lack of proactive notification and willingness to use warranty cutoffs as a reason many were left to pay for repairs they believe should have been recalled.
Same Subaru Outback powertrain reports on nearby years: 2010 · 2011 · 2013 · 2014 · 2015
Failure modes owners describe
Torque Converter Shuddering and Stalling
Transmission shudders or feels rough when coming to a stop or during downshifts. In many cases, the engine stalls completely, requiring the vehicle to be shifted to Park or Neutral to restart. Owners report this as the most frequent and dangerous failure—stalling in traffic or at intersections with minimal warning.
When: Typically at 50,000 to 125,000 miles; some reports starting around 50k and continuing past warranty expiration at 100k miles
Symptoms owners cite: Shuddering or stuttering sensation when braking to a stop; Engine stalls when coming to a complete stop at traffic lights, stop signs, or intersections; Shuddering when shifting from Park to Reverse or Drive; Rough transmission feel during deceleration; Loss of power when stalled; vehicle must be restarted
Codes mentioned: P0700 (Transmission Control Malfunction), P2764 (Torque Converter Clutch Pressure Control Solenoid Circuit)
Repairs/costs cited: Torque converter replacement typically costs $1,300–$1,800; some owners report Subaru dealer covered cost under extended warranty (to 100k miles/7.31.2018), others were denied or offered partial 'goodwill' credit ($1,500–$2,500). Valve body replacement ($1,500+) sometimes required in addition. TSB 16-90-13R and TSB 16-90-13 issued; TSB 16-107-17R addresses valve body replacement with newly designed part.
Recalls/TSBs owners mention: Subaru issued extended transmission warranty to 100,000 miles or 7/31/2018 (whichever came sooner) rather than a recall. Service Bulletin 16-90-13R for torque converter. TSB 16-107-17R recommends newly designed valve body. Many owners report Subaru denied warranty claims citing mileage or date cutoffs, or told dealers 'they cannot reproduce the issue' despite repetitive failures. Subaru's standard response: vehicle must be repaired only if dealer can replicate the problem during diagnostic visit.
Transmission Valve Body and Control Issues
Faulty transmission valve body causes loss of power, check engine lights, transmission oil temperature warnings, and inability to drive. Owners report the valve body requires sealant to dry before fluid can be added. In some cases, replacing the torque converter does not resolve the issue, and the valve body must also be replaced.
When: Reported from early ownership (9k miles in 2 years on one vehicle) to 100k+ miles
Symptoms owners cite: Check engine light illuminates; Transmission oil temperature warning light; Loss of power while driving; Multiple warning lights flashing (check engine, brake, traction control, oil temperature); Transmission cannot be serviced until valve body sealant dries
Codes mentioned: P0700 (Transmission Control Malfunction)
Repairs/costs cited: Valve body replacement; sealant requires overnight drying before transmission fluid can be added. Costs not consistently reported but estimated in excess of $1,500. One owner paid for diagnostics without manufacturer support.
Recalls/TSBs owners mention: Subaru issued extended warranty covering transmission problems to 100,000 miles/7.31.2018. One owner's claim was denied because mileage exceeded 100k, despite the issue being known. Subaru Customer Advocacy response: warranty is 'far outside' and manufacturer would not provide financial assistance.
CVT Transmission Complete Failure
Transmission fails catastrophically while driving, often with warning signs such as rasping noise or shuddering preceding total loss of power. Vehicle cannot move forward or backward. Owners report costs around $7,600–$10,000 for replacement and are frequently denied coverage.
When: Reported at 59,000 miles, 87,000 miles, 103,000+ miles, and beyond 100,000 miles
Symptoms owners cite: Vehicle loses all driving power without warning or after brief warning signs (grinding, rasping, shaking); Vehicle does not respond to accelerator pedal; Vehicle cannot move forward or backward; Strange noises under acceleration (rasping, grinding); May occur after stopping briefly (vehicle rests 40+ minutes, then fails to move)
Codes mentioned: P0700 (Transmission Control Malfunction), P2764 (Torque Converter Clutch Pressure Control Solenoid Circuit)
Repairs/costs cited: Complete transmission replacement cost $7,600–$10,000. One owner with 59,000 miles (2 months shy of original 60k warranty) was denied coverage even after Subaru extended warranty to 100k. Owners report different dealer responses: some approve under extended warranty, others deny citing third-party service or warranty expiration.
Recalls/TSBs owners mention: Extended warranty to 100,000 miles/7.31.2018. Owners over that threshold are denied coverage. One owner reported litigation ongoing after Subaru blamed a third-party oil-change facility and engaged a law firm to defend the denial. Another was offered $1,500 'goodwill' credit toward a new Subaru purchase.
Intermittent Transmission Shifting Problems and Unintended Downshifts
Transmission shifts erratically, including unexpected drops into 1st or 2nd gear without driver input via paddle shifters. Some cases involve transmission locking into a lower gear (1st or 2nd) even when the gear lever is in Drive. Owners describe dangerous conditions such as sudden deceleration on highways or inability to upshift despite paddle inputs.
When: Reported from early ownership to beyond 100,000 miles; one case of unintended 1st-gear shift 10 times in 18 months starting 2 months after purchase
Symptoms owners cite: Vehicle shifts into 1st or 2nd gear without driver moving the gear lever from Drive; Dash display shows wrong gear (e.g., '1' or '2') while lever is in Drive position; Sudden deceleration and inability to accelerate; Engine RPM accelerates unexpectedly to 2,500 while using paddle shifters to slow down; Paddle shifter commands ignored; vehicle remains stuck in lower gear; Transmission spontaneously returns to Drive without driver input
Repairs/costs cited: One owner paid for transmission reprogramming without resolution. No specific repair costs cited in complaints for this mode; owners note dealer claims inability to replicate the issue.
Recalls/TSBs owners mention: Subaru initially told owner 'this is impossible,' then changed response to 'cannot verify.' No TSB or extended warranty specifically addressing this failure mode is mentioned. Dealers unable to reproduce the issue during diagnostics and refuse to perform repairs.
Engine Stalling and Rough Idle at Low RPM
Engine stalls or runs roughly when vehicle comes to a stop or idles, particularly when RPM drops to around 1,100. Issue exacerbated in cold weather or after highway driving. Some owners report the torque converter is the underlying cause; others describe it as a general transmission idle control problem.
When: Reported at 50,000+ miles; one case starting around 125,000 miles
Symptoms owners cite: Engine stalls or dies at traffic lights and stop signs; Rough idle or engine shutdown when braking; Check engine light illuminates; Brake light and traction control light may illuminate; Engine shuts down abruptly even with brakes applied; must be restarted
Codes mentioned: P0700 (Transmission Control Malfunction)
Repairs/costs cited: Owners report spark plugs cleaned, vacuum hoses checked, and transmission fluid flushed. One owner at 112,000 miles had 2 spark plugs replaced and computer reset; issue recurred at 117,000 miles. Torque converter replacement recommended by dealer.
Recalls/TSBs owners mention: TSB 16-90-13R addresses this. Extended warranty to 100,000 miles/7.31.2018. One owner noted TSB issued in January 2014 but customers were not notified; dealership claimed no record of the warranty extension even though Subaru extended it.
Transmission Lock-Up and Violent Shuddering on Cold Starts or Highway Exits
When exiting the freeway from highway speeds (60 mph) while vehicle is cold, transmission locks or jerks violently—described as 'feeling like being hit in the back with a baseball bat.' Causes whiplash risk and false sense of braking. Extremely intermittent, occurring only when car is cold under specific deceleration conditions.
When: Reported starting shortly after ownership; one case first incident around November 2013
Symptoms owners cite: Transmission locks or freezes for a split second during highway exit deceleration (60 mph to 45 mph); Violent jerking sensation described as impact from behind; Whiplash risk; potential for serious back injury; False sense of braking due to sudden deceleration; Whole vehicle shakes; Occurs only when engine is cold; Extremely intermittent; cannot be predicted or triggered consistently
Repairs/costs cited: One owner reports dealer attempted transmission reprogramming (reset of adaptive portion of computer) without success. No parts replacement costs cited.
Recalls/TSBs owners mention: TSB issued (referenced but not specifically numbered in all complaints). Dealer tried computer reprogramming without resolving the issue. One owner was told by Subaru that this issue occurs due to the engine needing to be more environmentally friendly—claim disputed by owner.
Shift-Interlock Failure and Unintended Vehicle Roll
Shift-interlock mechanism fails, allowing the vehicle to shift out of Park or roll away when engine and ignition are off but keys are still in the ignition. Described as 'shift-interlock failure involving a couple of parts.' One documented case: vehicle parked on slight incline in Park, engine and ignition off, suddenly rolled backwards at rapid acceleration (8–10 mph), dragging owner who was leaning into the vehicle to retrieve a bag. Owner sustained serious injuries (ankle scraping, PTSD, exacerbation of multiple sclerosis).
When: Reported around 47,000 miles; another case at an unspecified mileage
Symptoms owners cite: Vehicle rolls away when parked in Park with engine and ignition off; Vehicle may shift itself out of Park without driver input; Sudden uncontrolled acceleration (estimated 8–10 mph) after parked state; Gear may shift when engine and ignition are off but keys are still inserted
Repairs/costs cited: Engineering assessment identified shift-interlock failure. No repair costs cited. One case: door struck hedge, which slowed vehicle; then struck posts and tree hedge. Vehicle towed to auto shop; all panels repaired.
Recalls/TSBs owners mention: No recall issued. Manufacturer notified but unable to replicate failure or identify diagnostic codes. One owner researched and found one almost identical case with same model involving same roll-in-park scenario but more serious injury.
Paddle Shifter Malfunction and Uncontrolled Downshift
Paddle shifter inputs produce unexpected results, including sudden uncontrolled downshift to 1st gear while traveling at highway speed (65 mph in passing lane) with following traffic. Engine RPM spikes to redline or above. Driver unable to upshift using right paddle; brakes and accelerator become unresponsive for steering control only. Avoidance of serious multi-vehicle accident due to alertness of drivers behind and to the right.
When: First occurrence (new car) at unspecified mileage
Symptoms owners cite: Single tap on left downshift paddle causes abrupt drop to 1st gear; Engine RPM goes to redline or above; Dramatic deceleration; driver tossed forward; Right upshift paddle unresponsive; vehicle remains stuck in 1st gear; Dash lights illuminate; brake light flashing; Vehicle coasts to highway shoulder
Repairs/costs cited: Vehicle towed to Flatirons Subaru, Boulder, CO. Computer data logging confirmed speed and RPM at redline. Unable to reproduce behavior or determine cause. Computer 'adaptive' portion reinitialized per Subaru instruction.
Recalls/TSBs owners mention: Subaru told dealer this was 'the first time this had been known to happen.' Dealer unable to reproduce or determine cause. Owner declined vehicle return due to unresolved safety concern. Subaru response: 'this couldn't happen because there were safety locks to prevent it'—contradicted by recorded data.
Transmission Slipping and Loss of Power During Acceleration
Vehicle hesitates, slips, or loses motive power when accelerating or maintaining speed, particularly during freeway merging or low-speed acceleration. Described as jerking and bucking as if clutch is being dumped on a manual. May be accompanied by rasping engine noise and check engine light.
When: Reported from 87,000 miles onwards; one case at 130,000 miles; another at unspecified mileage
Symptoms owners cite: Vehicle jerks and bucks during acceleration from stopped or low-speed position; Engine hesitation without warning when depressing accelerator; Rasping or grinding noise during acceleration; Near-stall condition one or more times during acceleration event; Check engine light illuminates; Loss of motive power without warning
Codes mentioned: P0700 (Transmission Control Malfunction), P2764 (Torque Converter Clutch Pressure Control Solenoid Circuit)
Repairs/costs cited: One owner reports mechanics quoted new transmission replacement (cost not specified). Another owner at 87,000 miles was informed transmission and torque converter need replacement but no repair performed. Manufacturer offered cost assistance at one dealership.
Recalls/TSBs owners mention: Manufacturer noted defect and offered to assist with repair cost in at least one case. Otherwise, owners report being asked to pay full replacement costs.
Intermittent Dash Light Flashing with Multiple Warning Lights
Dashboard warning lights flashing intermittently, including check engine, brake, traction control, and oil temperature lights. When lights flash, secondary functions cease (cruise control, manual gear function inoperative). Flashing pattern is sporadic and dealers unable to diagnose root cause on first or multiple visits. Often associated with CVT transmission issues, torque converter problems, or valve body faults, but diagnosis may be delayed or missed.
When: Reported across wide mileage range; one case starting around 70,000 miles, another at 87,000 miles, others unspecified
Symptoms owners cite: Multiple dash warning lights flash intermittently (check engine, brake, traction control, oil temperature, emergency brake); Cruise control becomes inoperative during flashing events; Manual gear selector becomes inoperative; Flashing lights appear and disappear without clear pattern; No stored diagnostic codes on first dealer visit
Codes mentioned: P0700 (Transmission Control Malfunction) – may be present on later visits, P2764 (Torque Converter Clutch Pressure Control Solenoid Circuit) – may be present on later visits
Repairs/costs cited: Dealers initially reset lights without identifying root cause; lights return. One owner reports diagnostic costs hundreds of dollars across multiple visits. Eventual diagnosis: CVT transmission issue, bad solenoid, or valve body problem requiring replacement ($1,500+). Another owner's car was just within extended warranty deadline and repair was covered.
Recalls/TSBs owners mention: Subaru issued extended warranty to 100,000 miles/7.31.2018 covering some cases. Owners just outside deadline are denied coverage. TSB 16-90-13R addresses torque converter issues; TSB 16-107-17R addresses valve body replacement.
Reverse Gear Failure
Vehicle fails to engage reverse gear. Grinding sound heard when attempting to shift into reverse. One case involved fractured reverse fork shaft; another case involved transmission unable to shift into reverse at all.
When: Reported at 117,450 miles and another case at unspecified mileage
Symptoms owners cite: Grinding sound when attempting to shift to reverse; Vehicle will not engage reverse; Vehicle can be shifted to neutral and must be pushed out of parking space manually
Repairs/costs cited: One owner's husband diagnosed fractured reverse fork shift in reverse cord; transmission replacement required (not yet repaired). Another case: dealership contacted; no recall related to failure reported.
Recalls/TSBs owners mention: No recall issued for reverse gear failures. One dealership stated 'no recall related to the failure.' No warranty coverage mentioned.
Cooling System Overheating and Head Gasket Failure
Cooling system fails, causing multiple warning lights to flash and steam to come from under hood. Radiator replacement does not fully resolve the issue; problem recurs shortly after repair. Root cause investigation reveals head gasket failure. Owner notes this is a common failure on 2.5L Subaru engines across multiple model years and generations.
When: Reported after freeway driving followed by city streets (temperature cycling); head gasket typically fails after 100,000+ miles on the engine
Symptoms owners cite: Multiple warning lights flash (flashing indicators); Steam coming from under hood; Vehicle warning lights while driving or after stopping; Coolant leaks evident
Repairs/costs cited: Initial repair: radiator replacement. Later diagnosis: head gasket replacement required (costs not specified in detail). One owner's friend's 2011 Outback required hose replacements, thermostat, water pump, and head gasket. Owner's 1999 Outback had identical problem.
Recalls/TSBs owners mention: No recall issued. Owner noted this is a 'common problem with 2.5L engine' and should be recalled. No manufacturer response documented.
Synthesized from 107 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 12 most recent
When coming to a quick or hard stop, car will rumble then stall out. To confirm that the issue is transmission based I shift the car into neutral then brake quickly and the issue does not arise.
When coming to a stop, the car shudders and often stalls just like if you didn't press in the clutch on a manual transmission. No warning lights or messages. See details in TSB- 16-90-13R. Subaru knows about this issue and it has been reported in many vehicles. My car was at a Subaru dealership at least half a dozen times during 2017-2018 when this issue came to light and no one notified us to…
I own a 2012 Outback 2.5 Limited, which I purchased new from a Subaru dealer in Evanston IL in June 2012. It currently has about 76000 miles on it. In the last 6 months my car started to shudder when coming to a stop at a traffic signal, or sometimes while being stopped at the signal. The shudder is significant but typically momentary and happens randomly. From the last 2-3 weeks, the car has…
Engine shudders and occasionally stalls when coming to a hard stop. Problem has been diagnosed as a faulty torque converter, and is identified in Subaru technical bulletin number 16-90-13r. This is a significant potential safety issue, and should be addressed by the manufacturer.
Tl* the contact owns a 2012 Subaru outback. While driving approximately 45 MPH and reducing the speed to 20 MPH, the vehicle stalled and shut off. The vehicle was taken to Subaru of glendale (1308 s. Brand blvd, glendale, ca) where it was diagnosed that the torque converter was faulty and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and did not…
When the car is cold the transmission locks up when exiting the freeway from 60 MPH to about 45 MPH it is like the scar skipped a gear and you feel a big clunk during the exiting and like someone hit you in the back with a baseball bat. This can cause serious back injury and false sense of breaking. It does not do this all the time extremely intermittently and only when the car is cold and…
The car was running for about 20 to 30 minutes, the outside temperature was about 35 degrees and windy. Went and parked the car, return to the car, at night while it was still cold, started up and started driving the car for about a half hour and that is when it happened again. When exiting the freeway and the car goes from 60 MPH to 45 MPH and it is cold the transmission jerks and freezes and…
When the car is cold and just started for the first time in the morning, when exiting a freeway from 60 MPH the transmission very intermittently will almost freeze and it feels like someone hit you in the back with a baseball bat. This is exiting or during the de acceleration process and it feels like someone hit you in the back with a baseball bat. This can cause whip lash and cause serious…
When the car is cold and just started for the first time in the morning, when exiting a freeway from 60 MPH the transmission very intermittently will almost freeze and it feels like someone hit you in the back with a baseball bat. This is exiting or during the de acceleration process and it feels like someone hit you in the back with a baseball bat. This can cause whip lash and cause serious back…
Had powertrain trouble with your 2012 Subaru Outback?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the powertrain problem on the 2012 Subaru Outback?
It's a meaningful issue. 107 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $2,500.
At what mileage does the powertrain typically fail?
Across the 84 complaints that reported odometer mileage, most powertrain failures cluster between 70,000 and 130,000 miles, with the median around 105,000. A quarter of owners report trouble before 70,000; a quarter make it past 130,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
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.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2012/Subaru/Outback.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.