Power Train Problems of Subaru Crosstrek - part 1

On [xxx] ~[xxx] pm, at highway speed on [xxx] eastbound near frisco, CO (a mountain interstate), returning to denver from salt lake city, my 2021 Subaru Crosstrek suddenly and without warning dropped into reduced-power limp mode and began lurching and shaking while the engine kept running. I lost the ability to accelerate or maintain speed. At the same moment the check engine light came on and multiple active safety systems automatically disabled: eyesight, pre-collision braking, vehicle dynamics (traction/stability) control, and hill start assist. It took about two minutes to manage the lurching, power-limited vehicle across multiple lanes of traffic to reach the shoulder. My partner was in the vehicle. Had this happened on a bridge, a grade without a shoulder, a tunnel approach, or in heavier traffic, I believe a collision was a realistic outcome. The vehicle was towed to a Subaru dealer and diagnosed with a failed thermo control valve. Sixteen trouble codes were stored, including p26a6, p0606, p060b, p2138, p2135, p2122, p2119, p2004, p2005, and p0191. Mileage was 49,983. There was no prior symptom. The vehicle had a full multi-point inspection at the same dealer only 11 days and ~1,400 miles earlier ([xxx]); nothing was flagged. This failure mode is already known to Subaru, addressed by technical service bulletin 09-119-24 and a warranty extension to 15 years/150,000 miles; the dealer repair order confirms the TSB. I am concerned Subaru handles a safety-relevant failure, one that disables collision-avoidance systems at highway speed, through a quiet warranty extension rather than a recall or owner notification. Owners get no warning and discover it only when it fails dangerously. I request NHTSA open a formal safety defect investigation. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

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I am filing a complaint regarding a major cvt transmission failure in my 2015 Subaru Crosstrek at approximately 117,318 miles. Prior to failure, there were no warning lights, dashboard messages, or significant indications of impending transmission failure. The only noticeable symptom was a slight whistling noise coming from the vehicle shortly before the transmission issue became severe. The sudden nature of the failure created a safety concern because the vehicle’s ability to accelerate and respond reliably while driving was compromised without meaningful warning. A sudden loss of reliable transmission function creates potential risk when merging, accelerating, or operating in traffic. The issue has been confirmed by a Subaru dealership, which quoted approximately $10,000 for transmission replacement. Subaru of America was contacted directly and declined assistance despite known widespread cvt issues in Subaru vehicles of this generation and prior warranty extensions issued for cvt-related problems. The vehicle has not been modified or involved in any collision related to this failure. The failed transmission/component is available for inspection upon request. The vehicle has been inspected by a Subaru dealership service department. I believe this transmission failure reflects a broader pattern of premature cvt failures affecting 2013–2015 Subaru Crosstrek vehicles and warrants further investigation due to the safety implications and financial burden placed on consumers after sudden drivetrain failure without warning.

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Wheel bearing failure resulting in replacement of the bearing and the integral hub at a cost of ~$750 (independent service center diagnosed and replaced the failed unit). Vehicle had only 42,000 miles and had developed a "rumble" which was thought to be related to seasonal temperature changes/tire tread. Sudden/catastrophic seizing of a failed wheel bearing can cause a loss of control and accident, thus this report as to the potential severity of the issue. No automated warnings other than a noticeable rumble when vehicle was in motion with increased severity over a few weeks. Manufacturer advised by email of the situation. Vehicle repaired and invoice attached to this report.

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My 2020 Subaru Crosstrek cvt valve body equipment failure and cvt torque converter failure. This appears to be a common failure for prior Subaru Crosstrek model - however was not extended for coverage to 2020 and beyond models - appears the issue still persists and additional year models should be covered. My vehicle experience the same failure for cvt valve body failure and cvt torque converter while driving at highway speeds. Problem occurs for previous Subaru models example: mc-11021247-0001, Subaru service bulletin: 16-155-25r where Subaru extended coverage to 10yrs/100k miles or +1 year from date of notification - and my vehicle is currently at the Subaru dealership for repairs for both cvt valve body and torque converter. Warning lights did not appear until issue occored.

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Defect description my 2020 Subaru Crosstrek has been diagnosed with diagnostic trouble code p2757 (torque converter clutch pressure control solenoid control circuit performance), which my authorized Subaru 802 Subaru retailer in vermont has confirmed is caused by a defective cvt control valve body. Subaru of America has acknowledged this exact defect in technical service bulletin 16-156-25r (revised 10/28/25), which explicitly covers the 2013–2021my Crosstrek 2. 0l (fb20 engine, tr580 cvt) and prescribes replacement of the cvt control valve body with an updated design incorporating an improved valve sleeve. This bulletin confirms that Subaru is aware of the design flaw in the original valve body and has developed a permanent engineering fix. Warranty extension disparity Subaru of America issued a cvt warranty extension on June 30, 2025 (retailer bulletin 16-155-25r, revised 07/14/25) extending cvt coverage from the original 5 years/60,000 miles to 10 years/100,000 miles for certain 2019–2020my vehicles. However, the 2020 Crosstrek equipped with the fb20 engine and tr580 cvt was specifically excluded from this extension, despite: 1. The 2019 Crosstrek (identical fb20/tr580 drivetrain) being included in the extension. 2. The 2020 impreza (identical fb20/tr580 drivetrain) being included in the extension. 3. TSB 16-156-25r explicitly listing the 2020 Crosstrek as an affected vehicle with the same valve body defect. This exclusion appears arbitrary and inconsistent. Owners of the 2020 Crosstrek are being denied warranty coverage for a documented design defect that Subaru has acknowledged and corrected through a TSB, and for which owners of vehicles with the identical powertrain (same engine, same cvt) are receiving extended warranty protection. Safety concern dtc p2757 indicates a failure in the torque converter clutch pressure control circuit. This defect can result in unexpected transmission behavior including hesitation, shuddering, loss of power delivery.

I have been working with Subaru of America and capital Subaru service in san jose, CA for a 2013 Subaru Crosstrek xv 2. 0 cvt automatic engine shortly after we bought it used for multiple faulty known engine problems with this specific make and model. Since we have owned the vehicle, we have not been able to drive it for more than 2 months short distance at a time due to engine, valve body, major low oil pressure problems, and multiple sensor issues. This vehicle has been very dangerous for us to drive and has left us stranded not to mention paying the bank we financed payments to for a car we have been unable to use since purchasing. Subaru of America and capital Subaru in san jose have been awful, insensitive, and unhuman to our concerns and needs. We had to call them several times and were repeatedly ignore both parties for several days without any answers or any solutions. We have spent many sleepless nights worrying about not having a vehicle to get to work and my daughter who drove the car when she could in nursing school with the burden of having no transportation and all the stress and worrying. There is a long history of defected engines because of the poor way these were built for our specific year, and we were told repeatedly that it was the lack of maintenance from the previous owner being the cause of the issues when that in fact is a lie as we have several maintenance records routinely. I will never buy or recommend these defected and lemon cars again especially when it involves the safety of your life! having to tow to and from our home to the dealership service parts was a big waste of time and a joke just to hear, "we are sorry but nothing is covered and your liable for the diagnostic and fixing for your car that will be $5,800 which our car was only worth $5,600 through kelly blue book and we still owe a remainder of $9,000 to the financing bank.

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The rear differential had a contained catastrophic failure. The vehicle had been serviced according to the manufacturer schedule and by their own dealers. The car had never been off road. The failure occurred at 106,500 miles and 6. 3 years.

Vehicle was maintained by dealer and out of the blue, started bucking intermittently while driving resulting in an unsafe driving experience. Took it to the dealer to evaluate, told us, "they could change the transmission fluid and filter to see if that fixes the problem. " they were not sure that would fix the issue. After researching issue, saw there were numerous complaints about the transmission in the 2018 Crosstreks. Call a professional transmission shop and will be making an appointment with them in the near future. They told me (and I found out through my own research) if is was the transmission filter and fluid, it would act up all the time, not just intermittently. And. . . The dealer wanted to charge me $665 to change the filter/fluid and not sure it would fix the problem, seriously? so now I have to wait and see what the transmission shop says. I have also seen post about the ignition box also gives issues, so who knows, maybe it is the ignition cutting out causing it to "buck" every here and there. Either way, the vehicle is unsafe to drive and could potentially cause a major accident if the transmission locks up or the ignition totally cuts out. Should be a recall either way and Subaru should be responsible for it. This is nothing we have done that could've prevented this issue.

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The rear differential on my phev Crosstrek failed around 31,500 miles. My spouse was driving under 30mph and turning, and heard a clunking/popping/metal-on-metal sound that persisted intermittently for the remainder of the drive home. Since then on 1/8/26, the sound has been aggravated and persistent, every 45 seconds or so while driving, mostly while turning, so we brought it in and were alerted to significant and large metal shavings in the rear differential oil. The current service bulletin (03-95-24) the dealership is relying on to inform the replacement describes sounds much subtler than the sounds my car is making and I remain concerned about other components in my vehicle that may be impacted by this failure. This kind of failure is a safety risk and did occur in traffic in my spouse’s case. The metal-on-metal sounds and drivetrain resistance are alarming. Thankfully my spouse was able to safely get home and alert me to the situation so we could take it in. I have not engaged in any of the vehicle uses that typically relate to rear differential failures; I don’t engage in heavy off-road use or tow heavy trailers with my vehicle, I have only had my tires replaced at Subaru, and the only gear/differential oil was from Subaru. I also did not have any deleterious or obvious gaps in differential/gear oil replacement that could reasonably cause this issue, as confirmed by a dealership mechanic. I have researched extensively about this unusual (and expensive) part failure and have alerted soa to my concerns. My research is showing it appears to be a trend warranting further investigation.

The car started shaking and shuddering at 40 mph on a straight road and I had several losses of motive power, with sluggish acceleration of a busy road. All dashboard lights began to turn on. The oil temp light was flashing, indicating an powertrain issue. After slowly driving it to a Subaru dealership, I was told that the cvt needed to be replaced. This model year also had a loss of motive power when cylinder 4 short circuited (after full replacement due to a recall). These are two examples of loss of motive power at high speeds on a single vehicle which in my opinion constitute a severe safety issue.

Premature shift fork failure in 2017 Subaru Crosstrek manual transmission at 62,521 miles requiring complete transmission replacement ($10,000 repair, vehicle worth $11,000). Evidence of design defect: - Subaru issued TSB 03-83-20r acknowledging shift fork design flaws in 2018-2020 Crosstreks with identical transmission - TSB states original forks required "thicker nylon inserts" proving inadequate design - my VIN (hg269902) is before production change (lg225906), confirming defective pre-improvement design - shift fork failure can cause sudden inability to shift gears while driving - significant safety hazard maintenance: single owner, meticulously maintained with documented service at 20k, 39k, 52k, 58k miles. Never in accident. No abuse. Manufacturer response: Subaru offered only $1,800 (18% coverage) and blamed my "driving habits" despite TSB proving design defect. Request: NHTSA investigate shift fork failures in 2015-2017 Crosstreks and evaluate if TSB 03-83-20r should extend to these model years. See attached: complete complaint documentation and TSB 03-83-20r.

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Pcv problems and the dealership saying they fixed and completed this recall and have not done so and now cvt problems saying there’s no parts to fix it and have to re do the whole valve system starter with thinking it was a wheel bar ring problem to trying to figure out if it was a pcv with the engine or cvt with the transmission these are major safety problem that should not be happening.

The contact owns a 2022 Subaru Crosstrek. The contact stated that the vehicle was difficult to start and was jumpstarted several times by a dealer’s mobile technician. The vehicle was taken to an unknown dealer, where it was determined that the battery was in good condition, and the failure could be related to the manual transmission. The vehicle was not repaired. Additionally, the contact stated that a aaa technician who assisted in jumpstarting the vehicle confirmed that the alternator and the battery were in good condition. The technician informed the contact that the vehicle was experiencing a parasitic battery drain; however, the cause of the failure could not be determined. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 34,000.

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The contact owns a 2019 Subaru Crosstrek. While the contact was attempting to start the vehicle, the vehicle failed to start. There was no warning light illuminated. The contact stated that while the engine was still off, the gear shifter was shifted into reverse(r) and the vehicle accelerated backwards. The contact slammed on the brake pedal to prevent the vehicle from crashing into another parked vehicle. The contact pressed the ignition button with her foot on the brake pedal to start the vehicle. The dealer was notified of the failure and an appointment was scheduled to service the vehicle. The vehicle was not yet repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 15,000.

I am writing to formally raise a significant safety concern regarding my 2018 Subaru Crosstrek. I recently discovered a malfunction in the transfer case (pictures attached), specifically involving the center differential gear set, which necessitated immediate replacement. This issue first became apparent while driving at low speeds when I heard a loud, distinctive "clunking" noise, indicating a possible malfunction within the transmission. As a precaution, I took the vehicle to my service mechanic for further diagnosis. After thorough inspection, my mechanic at roberts auto shop (invoice attached) promptly identified the transfer case as the source of the problem. Subsequently, I contacted my local Subaru dealership, north tampa, where I have previously serviced my vehicle, to inquire whether this issue is known to affect earlier models of the Crosstrek. The service manager expressed surprise that this problem occurred in my manual transmission vehicle, noting that it is typically documented in vehicles with cvt transmissions but rarely in manual models. I further inquired about the availability of any extended warranties or safety recalls related to this known issue. The manager informed me that the vehicle's powertrain warranty covers only up to 60,000 miles or five years, both of which I have exceeded, as my vehicle currently has just over 70,000 miles. My primary safety concern arises from the discovery of metal shavings inside the defective transfer case during its replacement. While the amount is currently minimal, there is a significant risk that this could quickly escalate into a complete transmission failure, posing a considerable safety hazard. I am planning to report this issue to Subaru of America for further investigation and would appreciate your assistance in investigating this matter. I also request that Subaru be held accountable for this known defect, particularly given its potential to jeopardize vehicle safety. Thank you for your support.

What component of system failed: transmission at low speeds, my car makes a low moaning sound. I took it to the Subaru dealership and after 2. 5 hours, they said it's an issue with the transmission and needs a full replacement. Safety: according to a local Subaru dealer's website, "while it might be tempting to keep driving despite a known transmission fault, especially if the car seems to be running ‘fine’, there are inherent risks. Firstly, there’s the potential for the fault to escalate, causing more significant damage to the transmission system. This could, in turn, result in costlier repairs down the line. Secondly, and more crucially, a transmission fault could lead to unpredictable vehicle behavior, especially when changing gears. This unpredictability can be hazardous, not just for the driver but for others on the road as well. " problem reproduced: yes on 1/20/25 at dewey griffin Subaru in bellingham, wa inspected: yes on 1/20/25 at dewey griffin Subaru in bellingham, wa. Warning lamps: no.

The cvt valve body was diagnosed as defective by the Subaru dealership service department. The car was taken to the dcealership when the a/t oil emp, hill assist, abs and traction control, stability control lights came up. The valve body is still available for inspection. The car was taken to the dealership for a brake light switch recall that has the same simptoms.

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I sent my Crosstrek to the dealer for the wre21 recall. After retrieving the car from the dealership with the recall fix in place, the engine stalled while I was at a red light and I could see smoke coming out from the hood. This occurred after driving less than 4 miles from the dealership. I opened the hood and could see that one of the coil packs on the driver side cylinder bank was on fire. I called 911 and the fire department had to extinguish the fire. The fire has rendered the vehicle inoperable and smoke damaged.

I was experiencing a weird binding or lurching in my drive train which made my Subaru feel unstable. I am a mechanic so I investigated these symptoms online and found that a large number of Subaru owners with manual transmissions were experiencing the same issue. . . . . . A failing viscous coupler was the issue. There were no warning lights or indications prior to failure a failing viscous coupler will not properly engage the front wheels when needed, causing reduced traction in slippery situations, increasing the risk of sliding or spinning out. Uneven power distribution: when a viscous coupler fails, it can lead to uneven power distribution between the front and rear wheels, potentially causing the vehicle to pull or jerk, especially during turns. Sudden engagement: in some cases, a failing viscous coupler might engage too aggressively, causing a sudden jolt or shudder, potentially leading to loss of control. I purchased and replaced this component at my own expense not knowing the magnitude of the issue. This is a definite safety issue that could lead to serious injury or even death. I have the old part in my possession, it failed around 85,000 miles. One of the mechanics in the Subaru forum said he had submitted a report to NHTSA but I didn't see anything on your sight. Thank you for your help. Sincerely, [xxx] information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

Check engine light came on while idling. "eyesight" tech turned off along with certain associated safety features. Next day, vehicle struggled to ignite. Came to a complete stop at an intersection, released brake, stepped on gas, and the car rolled forward as if in neutral and bucked up and down like a rodeo bull.

The recall type: safety service campaign:wty84 NHTSA campaign: 18v772000 fb20 valve spring replacement was reported completed by the manufacturer Subaru has no record of it being done. My car is now experiencing symptoms of this recall when I had no issues prior and want me to pay to look into the problem further. Now my vehicle has a check engine light for a recall that was potentially not done as I have no proof that it was completed.

I purchased the vehicle used on 8/7/24 with 4,507 miles on it. On 8/13/24 while stopped at a red light in the fast lane, the car failed to accelerate and all the warning lights on the dashboard illuminated including the at oil temp light which according the to owner's manual indicates the transmission. It stands for automatic transmission oil temperature. After turning on my hazard lights, I put the car in park and turned off the car and restarted it and I was able to pull into a parking lot. I had it towed to Subaru who said it was code p1868 and was the transmission. They drained and refilled the transmission and said the fluid was dirty and contained metal debris. When I asked them why a car with such low mileage would have dirty fluid containing metal debris, I was told it could have had low fluid from the factory or the factory could have used "crappy" fluid. I was also told the reason so many warning lights come on is because those systems become disabled when there is a problem. I got the car back on 8/17/24 and then on 9/7/24 while driving, all the lights came on again including the at oil temp light which was noted to be yellow and flashing. Subaru of America towed it to Subaru again. They said it was the same code and this time they're replacing the valve body. Today is 10/1/24 and Subaru still has my car. They said if it happens again, then they will finally replace the transmission. When it was towed to Subaru on 9/7/24, it had less than 6,000 miles on it. I will upload the invoice from the first incident but I don't have the invoice from the second incident since my car is still at Subaru being repaired.

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This vehicle is a plug-in-hybrid. It should not be able to move while plugged in. Problem is attempting to move the vehicle when the charge cable is still attached and the vehicle is on an incline. Subaru does not display a warning message - instead it displays "check engine" and an ambiguous symbol (a red steering wheel). Subaru disables the power to wheels that would have enabled the driver to close the gap to the charging station. Instead the vehicle rolls away from the charging station, breaking power plug at the vehicle port. Even placing the car in park does not prevent damage, the car will roll down hill until the parking gear latches. I have now broken my power plug 3 times. I am a professional electrical engineer. This should not be able to happen Subaru should prevent the car from being able to move if the cable is still attached, and instead display a message that the cable is still attached. With the "check engine" message, I engaged my obd diagnostics and it could not find a "check engine" flag. At this point, I put the car in gear, and even through Subaru disables power, the car then passively rolls down the driveway, breaking the cable at the power port. Instead of the ambiguous "red steering wheel" icon - Subaru needs to lock the car in park and display a real message. When you finally turn the ignition off - Subaru displays a huge "goodbye" message on the auxiliary display. I say finally because if you do restart the ignition with the cable attatched - you will not be able to turn off the ignition - only after exiting the vehicle, disconnecting the plug will you be able to turn off the vehicle. Not being able to turn off the ignition should not be permitted. Numerous errors in the control logic.

On January 19, 2024 I was slowly pulling in to a parking spot at my doctors office. I did not pull up far enough, as there was a concrete retaining wall at the head of the spot and no tire block for safety. I was maybe 5 feet from the wall when I lightly tapped the gas pedal to inch up (as the back end of the car was sticking out into the passing lane). When I did so, the car slipped into rapid acceleration causing a full head on crash with the retaining wall. I had pressed the break pedal but the brakes did not have enough time to engage before the wall stopped my car. As a result, I had bumper damage, a crooked hood (due to bent hinge on the right side) and a cracked bracket above the light assembly. Thankfully I was not injured, but the repair was costly. I leased this car new in 2017, and am paying off end of lease buyout. I have been the only driver, and I bring my car for regular servicing. At this point I am afraid to drive it because I don't know when or where the next rapid acceleration will occur.

The vehicle is a 2024 Subaru Crosstrek with ongoing and unresolved safety-related defects. The vehicle has been taken in for multiple repair attempts, including a total of five diagnostic inspections, but the issue remains unresolved. The vehicle experiences sudden hesitation, loss of acceleration, and failure to respond properly while driving. Warning lights appear on the dashboard, and in some instances the vehicle fails to restart properly after coming to a stop. These issues create a serious safety risk, especially when driving in traffic or attempting to merge, as the vehicle does not respond as expected. The condition is unpredictable and has occurred multiple times. Despite repeated repair attempts, the manufacturer has been unable to diagnose or repair the defect. The problem continues to occur and significantly affects the safety and reliability of the vehicle. This issue poses a serious safety hazard to the driver, passengers, and others on the road.

Car was at a stop light, went to accelerate and car would not accelerate- all the lights came on. I had to put it in park and turn it off and back on, then it accelerated and there were no other issues.

Greetings: as outlined in service bulletin 05-70-19, rear wheel backing plate design change, I am having an almost overwhelming “whining or humming” sound coming from the rear portion of my vehicle. Given the significance of this wheel bearing & backing plate issue, I respectfully request an recall & subsequent repair be initiated. Coupled with a very large number of related customer issues - globally - this issue should have already met-the-bar for a recall vs. Safety bulletin. It’s obvious there are safety-related design flaws - again, given the overall number of required repairs - and this should be addressed accordingly. Thank you.

When driving the vehicle and turning left. A popping sound occurs.

When slowing down the vehicle almost down shifts causing it to lurch forward. Notified Subaru and took to 2 dealers which were all no help. Subaru of America did nothing to assist.

Transmission began making a whining noise at low speeds accelerating/ and backing up. Slight hesitation when accelerating. Transmission failed at 6k miles- confirmed by dealer and replaced. Now again at 34k miles same issue- transmission confirmed to be issue again by dealer. Subaru is in the process of sending a technician to dealer to inspect. No warning or messages displayed. Unacceptable quality/safety for a vehicle purchased new and all of the maintenance schedule followed.

Check engine light. Code showing p2682 and p26a3. There is an issue with the thermo control valve for the my21 Crosstrek. This is also affecting the forester and outback. . Read more...

The contact owns a 2020 Subaru Crosstrek. The contact stated while shift the vehicle to reverse the vehicle launched forward without any warning. The vehicle was not diagnosed. The dealer was not contacted. The manufacturer was not contacted. The failure mileage was 12,000.

Vehicle transmission failed while moving up a hill, vehicle coasted back down hill into intersection. Had to be physically moved off the road. Subaru of America reimbursed $3k towards cost of transmission, leaving customer with approximately $5k repair.

When driving, the car has intermittent random power failures. When you start to accelerate, it does not go even when applying full petal to the floor or letting go and pushing the petal again then it goes rapidly to speed. It is failing to accelerate more frequently and when I brought it in to the dealership twice, they said if I can tell them exactly how and when it is failing they would have a chance at fixing the problem. The problem they say is that it is random. Because of the problem with this we are seriously looking at buying another car. We no longer pull out into traffic because we do not know if it will fail. There are no warning lights on the dash or other indications.

- cam carrier leak, resulting in oil leaking from engine. Oil is leaking onto catalytic converter sensor causing it to malfunction. - oil leaking from cars poses a safety and environmental hazard. - michael's Subaru of bellevue (washington state) has confirmed it occurring, and it is a problem across Subaru models according to a number of forum posts from Subaru owners, which has been shared with Subaru of America. - I have not had it inspected by anyone officially besides michael's Subaru of bellevue (washington state). - there was a warning lamp for the catalytic converter, but upon physical inspection of the vehicle the technician discovered it was oil leaking from the cam carrier onto the sensor that caused the warning lights to turn on in the vehicle. - I have included emails I exchanged with Subaru of America regarding the issue.