A/C Drain Hose Leak into Passenger Compartment — Recall 16V690 (2017)
warning light; recall notice; repeated dealer repair
2017-2024 Volvo S90: 9 NHTSA recalls plus TSBs covering Sensus freeze, brake failures, engine oil consumption, and T6 limp mode. Free lemon-law review.
You chose the Volvo S90 because it promised something different: Scandinavian calm, advanced safety technology, and a premium driving experience without the German-brand premium price. The 2017-2024 S90's SPA platform was genuinely new, the T6 Drive-E's twin-charged 2.0L was an engineering statement, and Pilot Assist was marketed as a best-in-class semi-autonomous driver aid. For many owners, the S90 delivers on that promise most of the time. The problem is the other times: the highway morning when the Sensus touchscreen goes black and takes the navigation, climate controls, and phone integration with it; the moment the T6 drops into limp mode with a P0299 code while merging onto the freeway; the Pilot Assist brake application with no car in front that nearly caused a rear-end collision.
The S90's documented defect record spans nine NHTSA recalls and multiple Volvo-acknowledged Technical Service Bulletins covering infotainment crashes, T6 supercharger failures, engine oil consumption, transmission shudder, and AEB malfunctions, touching nearly every major vehicle system across the 2017-2024 production run. The two recurring seat defects (16V798 and 19V220) and two separate brake system recalls (20V144 and 21V716) reflect quality control issues that emerged across different model years, not isolated incidents. For California S90 owners who have been to the dealer multiple times for the same issue, or for a constellation of issues that keeps the car in the service bay, the Song-Beverly Consumer Warranty Act may provide a path to a refund, replacement, or cash settlement.
The issues owners report most, ranked by severity — each one verified against a cited NHTSA source.
warning light; recall notice; repeated dealer repair
driver seat cushion loose; seat fastener recall; seat may not stay secured
airbag warning light; passenger airbag may not deploy; SRS warning; occupant detection fault
warning light; recall notice; repeated dealer repair
driver seat cushion loose; seat fastener recall; seat may not stay secured
brake pedal problem; reduced braking; unexpected braking; brake warning light
A settled Margarian Law case on this exact model, published with the actual settlement math.
Open any defect for the symptoms and why it matters for a California lemon-law claim. Each is tied to a cited NHTSA source.
warning light; recall notice; repeated dealer repair
This recall covers water intrusion from a misrouted A/C drain hose on 2017 S90 vehicles. While the risk is primarily to interior components and electronics rather than direct occupant safety, water pooling in the passenger compartment can damage electrical modules and create recurring mold/odor complaints. Under Song-Beverly, an owner who returned for water intrusion or related electrical faults following incomplete recall repair has a documented recurring defect basis for a claim.
Volvo will notify owners, and dealers will inspect the air conditioning drain hose for proper installation, replacing the hose as necessary, free of charge. The recall is expected to begin on November the 14, 2016. Owners may contact Volvo at 1-800-458-1552. Volvo's number for this campaign is R8970
driver seat cushion loose; seat fastener recall; seat may not stay secured
Recall 16V798 addresses a front passenger seat belt buckle attachment stud that may not hold under crash loads, preventing the occupant restraint system from functioning. This is a direct occupant safety defect. Under Song-Beverly, a safety recall that required multiple dealer visits to complete — or where the repair was not performed correctly on the first visit — qualifies as a basis for a lemon-law claim, particularly because failure of the seat belt in a crash creates catastrophic injury risk.
Volvo will notify owners, and dealers will inspect the front passenger seat belt buckle stud, replacing the seat belt buckle as needed, free of charge. The recall began January 2017. Owners may contact Volvo customer service at 1-800-458-1552. Volvo's number for this recall is R89708.
airbag warning light; passenger airbag may not deploy; SRS warning; occupant detection fault
Recall 17V104 addresses inflatable curtain (IC) airbag mounting bolts that may fracture, causing improper airbag deployment in a crash. Airbag non-deployment or misdeployment is among the most serious safety defects recognized under Song-Beverly. An S90 owner whose vehicle required more than one dealer visit to complete this airbag repair — or who experienced an airbag warning light recurrence after the recall remedy — has a strong basis for a lemon-law evaluation.
Volvo will notify owners, and dealers will inspect and replace the bolts, as necessary, free of charge. The recall is expected to begin April 1, 2017. Owners may contact Volvo customer service at 1-800-458-1552. Volvo's number for this recall is R89714.
warning light; recall notice; repeated dealer repair
Recall 18V800 addresses a Vehicle Connectivity Module software defect disabling Volvo On Call emergency telematics and driver support systems. Loss of emergency SOS and automatic crash notification removes a safety net that owners paid for. Under Song-Beverly, a connected-safety-system defect that persisted through a software update — or recurred after dealer repair — supports a warranty claim. Owners who experienced telematics failure after the recall remedy should preserve dealer repair orders documenting the recurrence.
Volvo will notify owners, and dealers will correct the software, free of charge. The recall began December 26, 2018. Owners may contact Volvo customer service at 1-800-458-1552. Volvo's number for this recall is R39917.
driver seat cushion loose; seat fastener recall; seat may not stay secured
Recall 19V220 covers front seat rail flange nuts missing from assembly, meaning the seat can shift during a crash impact rather than remaining anchored. A moving seat in a collision dramatically increases injury risk. This is a manufacturing assembly defect acknowledged by Volvo. Under Song-Beverly, an owner whose seat rail nuts were confirmed missing — or who experienced seat movement symptoms before the recall remedy — has documented evidence of a safety-critical assembly defect.
Volvo will notify owners, and dealers will inspect the front seat rails for missing flange nuts, installing them as necessary, free of charge. The recall began May 7, 2019. Owners may contact Volvo customer service at 1-800-458-1552. Volvo's number for this recall is R19931.
brake pedal problem; reduced braking; unexpected braking; brake warning light
Recall 20V144 addresses a software/hardware incompatibility causing the AEB system to fail to detect obstacles and brake automatically. AEB non-function during a crash scenario eliminates an active safety feature that owners specifically purchased the S90 for. Under Song-Beverly, a safety system defect that required a software update that was subsequently found to be incomplete — or where AEB continued to malfunction after the recall repair — creates a multi-visit repair pattern supporting lemon-law eligibility.
Volvo will notify owners, and dealers will update the Active Safety Domain Master (ASDM) software, free of charge. The recall began April 9, 2020. Owners may contact Volvo customer service at 1-800-458-1552. Volvo's number for this recall is R29998.
engine stalls while driving; vehicle will not start; loss of power; fuel pump recall
Recall 21V414 covers a low-pressure fuel pump fuse failure that can cause the engine to stall or fail to start. A stall at highway speed creates serious safety risk, but the proximate cause is a reliability-class fuel delivery fault. Under Song-Beverly, an engine stall that recurs after the recall remedy — or a fuse replacement that fails again within the warranty period — is a documented powertrain defect basis for a claim. Owners should retain repair orders showing the fuse was replaced and any subsequent no-start or stall events.
Dealers will replace the fuse, free of charge. Owner notification letters were mailed July 2, 2021. Owners may contact Volvo Car customer service at 1-888-458-1552. Volvo Car's number for this recall is R10100.
brake pedal problem; reduced braking; unexpected braking; brake warning light
Recall 21V716 addresses an improperly welded rotor and shaft within the integrated brake booster assembly that may separate, causing partial or complete loss of hydraulic braking assistance. Loss of brake assist at any speed is among the most serious drivability safety defects under Song-Beverly. An S90 owner who experienced brake pedal firmness, travel change, or braking degradation symptoms before this recall was addressed — or who needed the hydraulic unit replaced more than once — has strong grounds for a lemon-law evaluation.
Dealers will replace the hydraulic unit, free of charge. Owner notification letters were mailed October 22, 2021. Owners may contact Volvo Car customer service at 1-888-458-1552. Volvo Car's number for this recall is R10120.
backup camera blank; screen goes black in reverse; rearview camera distorted
Recall 25V282 covers rearview camera image failure when the vehicle is placed in reverse. Federal law requires a functioning rearview camera on all new vehicles manufactured after May 2018, making this defect a regulatory compliance issue beyond simple convenience. Under Song-Beverly, a rearview camera defect that was addressed through OTA or dealer software update and then recurred — or that took more than one dealer visit to resolve — qualifies as a documented electronic system defect. The recency of this recall (2025) means many S90 owners are currently in the remedy window.
The software will be updated by a dealer or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed June 27, 2025. Owners may contact Volvo Car customer service at 1-800-458-1552. Volvo Car's number for this recall is R10320.
touchscreen freezes mid-drive; Sensus reboots without warning; black screen on center display; navigation disappears; climate controls unresponsive; audio cuts out; screen stuck on startup logo; must restart car to restore display
Sensus freeze is the defining recurring complaint on the S90. Dealers frequently apply a software update that provides only temporary relief before the screen freezes again, generating multiple repair orders for the same defect. Under Song-Beverly, repeated unsuccessful attempts to fix the same infotainment defect — particularly when it also disables climate control and navigation — can support a substantial impairment claim. California courts have recognized infotainment defects as lemon-law eligible when they recur after two or more repair attempts.
VCMS software update via USB or workshop tool (Volvo released multiple iterations 2018-2022). If update does not resolve: Sensus head unit (VCMS module) replacement. OTA updates introduced for 2021+ MY.
check engine light with P0299 underboost code; sudden loss of acceleration; engine enters reduced-power limp mode; T6 feels sluggish from stop; supercharger whine changes pitch; power restored after restart but issue recurs
A T6 that enters limp mode repeatedly represents a substantive powertrain defect. If an owner returns for the same underboost/P0299 condition two or more times under warranty — even after bypass valve replacement — that repair pattern can support Song-Beverly eligibility. The T6's two-stage forced induction system means the bypass valve failure recurs on some vehicles even after initial replacement if underlying supercharger drive component wear is not addressed.
Replace supercharger bypass valve assembly. Inspect supercharger drive belt and tensioner for wear. Clear DTCs; verify boost pressure under load meets specification. Repair covered under powertrain warranty.
oil level drops between changes with no visible leak or smoke; low oil warning light before scheduled service; check engine light from lean condition; oil smell from engine bay; spark plug fouling; burning smell at idle
Multiple California consumer class actions allege Volvo knew of the Drive-E piston ring defect before sale. Under Song-Beverly, an engine oil consumption defect that requires piston ring replacement — particularly where Volvo has acknowledged it via warranty extension — is a strong lemon-law candidate if the dealer fails to resolve it in a reasonable number of visits. Owners who paid out-of-pocket for engine repairs due to oil consumption before the warranty extension was announced may also have a reimbursement claim.
Volvo oil consumption test protocol (measure over defined interval). If confirmed exceeding specification: piston ring assembly replacement. Covered under extended warranty (8yr/120k mi). Some engines require short-block replacement if cylinder walls are scored.
harsh or jerky upshift between 2nd and 3rd gear; shudder on light-throttle acceleration; hesitation when pulling from a stop; transmission clunks on deceleration downshift; rough 1-2 shift in cold weather; transmission hunts between gears at highway speeds
Transmission shudder that recurs after TCM software update — or that requires torque converter hardware replacement — constitutes a recurring powertrain defect directly relevant to Song-Beverly eligibility. If an S90 owner has two or more dealer visits for the same harsh-shift symptom within the powertrain warranty period, that pattern satisfies the 'reasonable number of repair attempts' threshold. A dealer claiming 'normal operating characteristics' after a repeat visit is a common friction tactic; owners should request a specific TSB number be referenced on the repair order.
TCM software reprogram per TSB VTB2018-09. If shudder persists post-update: torque converter replacement. ATF flush with Aisin-specified fluid recommended at same visit.
car brakes suddenly on open highway with no obstacle; Pilot Assist disengages without driver input; unexpected deceleration near bridges, overpasses, or exit signs; near-miss rear-end collision due to sudden stop; Pilot Assist warning chime with no traffic ahead; speed drops suddenly from highway speed
Unexpected automatic braking at highway speed is a safety defect capable of causing rear-end collisions. An S90 that engages phantom braking two or more times — even if the dealer cannot duplicate it in the service bay — may still support a Song-Beverly claim under California law, which does not require the defect to be reproducible on demand if there is credible owner documentation. Owners should note the date, location, speed, and dashcam footage for each phantom braking event and request that the dealer document the Pilot Assist complaint on the repair order even if they cannot replicate it.
Pilot Assist software update via VIDA dealer tool or OTA (2021+ MY). Sensors recalibrated after windshield replacement. No permanent fix confirmed for pre-2021 hardware; Volvo's position is continued software iteration.
musty or mildew smell from vents when AC turns on; burning or chemical odor from HVAC system; CleanZone air quality display shows good but odor persists; smell worsens after rain; dealer evaporator cleaning provides temporary relief only; passengers report headaches or eye irritation
A recurring HVAC odor that persists after multiple dealer treatments can qualify as a defect under Song-Beverly if it substantially impairs the vehicle's use or value. Owners who return two or more times for the same odor complaint within the warranty period should document each visit with a repair order that specifies 'recurring HVAC odor — same as prior RO #XXXXX.' While classified as Functional here, odors causing occupant illness may rise to Safety severity depending on health impact documentation.
Evaporator coil antimicrobial treatment (Volvo authorized biocide). HVAC drain tube cleaning. Cabin air (CleanZone) filter replacement. For persistent cases: evaporator replacement under warranty if contamination is severe.
head-up display goes blank while driving; HUD projects corrupted or flickering image; HUD does not power on; steering wheel capacitive touch buttons unresponsive; must press multiple times to change volume or accept calls; buttons work intermittently after car restart; controls fail during phone calls
HUD failure and steering wheel button malfunction are persistent quality issues that, when combined with Sensus freeze events on the same vehicle, collectively demonstrate a pattern of recurring Infotainment/Software defects. Song-Beverly allows related defects affecting the same system to be considered together when evaluating whether the vehicle has been presented for a 'substantial impairment' of use. Owners who have multiple repair orders citing infotainment system problems — even for different symptoms — should preserve all repair orders.
HUD: VCMS software update first; if display hardware failure, HUD projector unit replacement. Steering wheel buttons: connector inspection and cleaning; steering wheel replacement if sensors are degraded.
brake squealing before expected service interval; brake pad wear warning light early in ownership; front rotors warped or grooved before 20,000 miles; pulsation in brake pedal at highway speeds; dealer recommends brake replacement before first oil change interval
Premature brake wear that recurs after the first warranty repair — particularly where the software update was not applied — represents a repeated failure of a safety-critical system under Song-Beverly. Brake complaints that require two or more warranty repair visits, especially those where the dealer applies only the pad/rotor replacement without the ABS software update, are strong lemon-law candidates. California courts have upheld brake defect claims even when the vehicle remains 'drivable,' because brake performance directly affects occupant safety.
Replace front brake pads and rotors per TSB VTB2019-31 with updated friction compound. Update ABS/ESC software. If within warranty period, repair covered at no charge under Volvo's new-vehicle warranty.
remedy available
Volvo Car USA, LLC (Volvo Car) is recalling certain 2021-2025 XC40, 2022 V90, 2022-2025 S90, V90CC, C40, XC60, 2023-2025 S60, V60, V60CC, XC90, and 2025 EC40 and EX40 vehicles. The rearview camera image may not display when the vehicle is placed in reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
remedy available
Volvo Car USA, LLC (Volvo Car) is recalling certain 2021 S90L, 2020-2021 XC60, and XC90 vehicles. An improperly welded rotor and shaft may separate within the integrated brake system.
remedy available
Volvo Car USA, LLC (Volvo Car) is recalling certain 2019-2020 V90, XC60, S60, V60, V60CC, S90, V90CC, S90L, and XC90 vehicles. The low-pressure fuel pump can blow a fuse and fail.
remedy available
Volvo Cars USA LLC (Volvo Cars) is recalling certain 2019-2020 S60, V60, V60 Cross Country, S90L, V90, V90 Cross Country, XC40, XC60, and XC90 vehicles. Due to a software/hardware incompatibility, the Automatic Emergency Brake (AEB) system may not detect obstacles and engage as intended.
remedy available
Volvo Car USA LLC (Volvo) is recalling certain 2018-2019 XC60 and S90 vehicles. The driver and passenger front seat rail rear flange nuts may not have been installed during assembly.
remedy available
Volvo Car USA LLC (Volvo) is recalling certain 2017-2019 Volvo XC90, S90, V60, V60 Cross Country, V90, XC40, XC60, and V90 Cross Country vehicles. The software installed in the Vehicle Connectivity Module (VCM) may have an error causing the Telematics and Driver Support Systems to function improperly. As a result, the GPS will not provide location information to emergency personnel in the event of an emergency.
remedy available
Volvo Car USA LLC (Volvo) is recalling certain 2017 XC90, S90, and V90 Cross Country vehicles. The bolts that secure the Inflatable Curtain (IC) air bags in place may break, possibly resulting in the IC air bag deploying improperly in the event of a crash. As, such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 226, "Ejection Mitigation."
remedy available
Volvo Car USA LLC (Volvo) is recalling certain model year 2016-2017 XC90, S90, XC60, V60 Cross Country, V60, S60 Cross Country, S60, and S60 Inscription vehicles manufactured February 16, 2015, to August 22, 2016. On the affected vehicles, the front passenger seat belt buckle attaching stud may loosen, allowing the buckle to separate from the seat belt bracket. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 210, "Seat Belt Assembly Anchorages" and number 209, "Seat Belt Assemblies."
remedy available
Volvo Cars of North America, LLC (Volvo) is recalling certain model year 2016-2017 Volvo XC90 and S90 vehicles manufactured April 15, 2015 through September 19, 2016. In the affected vehicles, the drain hose for the air conditioning may leak into the passenger compartment due to a drain hose installation error during manufacturing.
Every item below comes from this vehicle's documented defects. The more you recognize, the more a free case review is worth your time.
California's Song-Beverly Consumer Warranty Act is among the strongest lemon-law protections in the nation. Under Song-Beverly, Volvo must repair a warrantied defect within a 'reasonable number of attempts.' A rebuttable presumption of lemon status arises if: (a) the same defect has been subject to four or more repair attempts; (b) the defect poses a serious safety risk and has been attempted twice; or (c) the vehicle is out of service 30 or more cumulative days during the warranty period.
For S90 owners, qualifying scenarios include: Sensus freeze recurring after multiple VCMS software updates; AEB malfunction (Recall 20V144) persisting after ASDM software update; T6 supercharger bypass valve failure returning after initial repair; engine oil consumption confirmed by Volvo's own test but not resolved within the extended warranty period; and Pilot Assist phantom braking documented on repair orders even when the dealer 'cannot duplicate.'
If your S90 qualifies, you are entitled to a full refund (purchase price plus taxes and finance charges, minus a mileage offset) or a comparable replacement. Volvo must also pay your attorney's fees if you prevail — meaning qualified attorneys typically handle these cases at no out-of-pocket cost to you. Preserve every repair order and communicate defect complaints in writing.
This is general legal information only, not legal advice. Law as of Jun 29, 2026.
“Could not duplicate” doesn't mean the defect isn't real. Here's exactly what to do to protect a potential California lemon-law claim.
Document the moment it happens. Photos, video, and screenshots of any warning lights — with the date and the mileage.
Get a repair order every visit — even “found nothing.” That paperwork is the foundation of a claim.
Check your VIN at nhtsa.gov/recalls. Note any recall that has no available remedy yet.
Track your out-of-service days. California law counts the cumulative days your vehicle spends in the shop.
Keep loaner & rental records. Alternate-transport paperwork during long repairs matters.
Save everything in one place. Symptoms, dates, repair orders, and every repeat visit — the intermittent ones especially.
The S90's most frustrating defects — Sensus freeze, Pilot Assist phantom braking, transmission shudder — are intermittent, so dealers routinely close repair orders 'Unable to Duplicate.' Here is how to protect your rights:
1. Get a written repair order every visit, even for 'no fault found.' Each RO is a repair attempt under Song-Beverly regardless of outcome. Insist the technician document symptom, mileage, warning lights, and test-drive result.
2. Sensus freeze: screenshot the error screen when you catch it. Ask the dealer to pull VCMS diagnostic logs — Sensus stores freeze events in non-volatile memory retrievable even when the symptom is not currently active. If the dealer offers only a software update, ask whether TSB VTB2019-23 recommends hardware replacement for your VCMS version.
3. Pilot Assist phantom braking: record date, time, location, and speed immediately after each event. Preserve dashcam footage before it overwrites. Ask the dealer to pull ADAS event log data — the system logs automatic braking events internally, giving the technician corroborating data even without live replication.
4. Transmission shudder: request a Volvo-certified technician (not a service writer) for the test drive. If the dealer says 'normal,' ask them to reference TSB VTB2018-09 on the repair order and document whether the TCM calibration has been updated on your VIN.
5. Track cumulative out-of-service days. Song-Beverly presumes lemon eligibility at 30 or more days out of service in a 12-month period across any combination of defects — including waiting for parts.
The S90 is a genuinely desirable sedan — comfortable, refined, and more distinctive than most German alternatives. But the 2017-2020 production years carry a disproportionate defect burden: two seat safety recalls, two separate brake system campaigns, engine oil consumption requiring a warranty extension, and a Sensus infotainment platform that took Volvo three years of software updates to stabilize before hardware replacement became the accepted fix. The 2021-2024 models improved meaningfully — OTA updates addressed Sensus instability and Pilot Assist calibration iterated — but the 2025 rearview camera recall (25V282) shows software quality control remains unfinished. Early-production S90 owners with documented repeat dealer visits should not accept 'software updated' as a final answer. The TSB and recall record confirms Volvo was aware of these defects across multiple model years.
— The Margarian Law team
If your Volvo S90 has been to the dealer multiple times for a touchscreen freeze, brake system issue, engine problem, or Pilot Assist malfunction, you may have options under California's lemon law. Margarian Law has handled thousands of lemon-law cases and offers a free case review — call today or submit your repair orders for a confidential evaluation.
The Sensus Connect infotainment system on 2017-2022 Volvo S90 models is one of the most-complained-about defects on the platform. Volvo acknowledged the freeze-and-reboot problem in Technical Service Bulletin VTB2019-23, which directs dealers to update the Vehicle Communication and Media System (VCMS) software via USB or workshop tool. However, many owners report that the software update provides temporary relief only — the freeze returns within weeks or months. The durable fix for affected vehicles is VCMS hardware module replacement, not just a software update. If your S90 has been to the dealer two or more times for the same Sensus freeze and each visit resulted in only a software update, that repair pattern may qualify under California's Song-Beverly Act. Request that the dealer document the specific TSB number on each repair order and preserve all repair orders.
Yes — there are two separate NHTSA recalls covering brake defects on the S90, and they address different systems. Recall 20V144 (affecting 2019-2020 S90 models) addressed a software/hardware incompatibility in the Active Safety Domain Master (ASDM) that could prevent the Automatic Emergency Brake system from detecting obstacles and engaging. Recall 21V716 (affecting 2021 S90L) addressed an improperly welded rotor and shaft in the integrated brake system that could separate, causing loss of brake assist. Both were remedied by dealer visits — ASDM software update for 20V144, and hydraulic unit replacement for 21V716. To verify whether your specific VIN is affected and whether the recall remedy has been completed, enter your 17-digit VIN at the NHTSA recall lookup at nhtsa.gov. If you experienced brake symptoms before these recalls were addressed, or if brake issues recurred after the recall repair, consult a lemon-law attorney.
If your S90 T6 enters reduced-power mode with a check engine light showing fault code P0299 (Turbocharger/Supercharger Underboost), the most common cause is a failed supercharger bypass valve. The T6 Drive-E engine uses both a turbocharger and a Roots-type supercharger. The bypass valve — a rubber-diaphragm actuated component — regulates supercharger boost at low loads and is prone to diaphragm cracking or sticking open over time. Volvo issued TSB VTB2021-12 specifically for this failure, directing dealers to replace the bypass valve and inspect the supercharger belt and tensioner. The repair is covered under the powertrain warranty. If your S90 T6 has lost power and entered limp mode more than once, or if the P0299 code returned after the valve was replaced without a full supercharger drive system inspection, this constitutes a recurring powertrain defect that may support a California lemon-law claim.
Yes. The Drive-E 2.0L engine used in both the T5 and T6 variants of the 2017-2020 S90 is documented to consume engine oil at abnormal rates due to piston oil-control ring carbon fouling. Volvo acknowledged this defect in TSB VTB2020-07 and extended the engine warranty to 8 years or 120,000 miles specifically for oil consumption. The repair involves Volvo's official consumption test procedure; if oil consumption exceeds specification, the piston ring assembly is replaced. Some owners have required short-block replacement when cylinder walls showed scoring. Consumer legal actions in California allege Volvo knew of the defect prior to sale. If your S90 is consuming oil faster than one quart per 2,000 miles, request the Volvo consumption test protocol from your dealer and confirm your VIN is covered by the extended warranty. If you were previously denied warranty coverage for oil consumption, or if the ring replacement did not resolve the issue, you may have a lemon-law claim.
Multiple Volvo S90 owners have filed NHTSA complaints describing Pilot Assist applying the brakes without driver input on open highways — a phenomenon known as phantom braking. The Pilot Assist camera/radar sensor fusion system misidentifies stationary objects such as bridge abutments, highway exit signs, and crossing vehicle shadows as collision targets, triggering automatic braking from highway speed. Volvo has issued multiple Pilot Assist software updates across the 2017-2022 model years, but the phantom braking pattern has not been eliminated. There is no standalone recall for Pilot Assist phantom braking on the ICE S90 as of 2026. If your S90 phantom-brakes repeatedly, document each event with date, location, and speed immediately afterward, and preserve any dashcam footage. Bring the car in and request the Pilot Assist software version be checked and updated. If the dealer cannot duplicate the event, demand that your complaint be documented on the repair order regardless — each documented repair attempt counts under Song-Beverly.
California's Song-Beverly Consumer Warranty Act provides one of the nation's strongest lemon-law protections, and the Volvo S90's documented defect record — nine NHTSA recalls and multiple Volvo-acknowledged TSBs — gives many S90 owners a strong foundation for a claim. To qualify, your S90 generally must have experienced a defect covered by the manufacturer's warranty, and Volvo must have had a reasonable number of attempts to repair it (typically four or more for non-safety defects, two for safety-critical issues) or the vehicle must have been out of service for 30 or more cumulative days. Common qualifying S90 defects include recurring Sensus freeze after multiple software updates, repeated AEB or brake system malfunctions, engine stalls, and T6 limp-mode events. If successful, you are entitled to a full refund or a comparable replacement vehicle, and Volvo must pay your attorney's fees — meaning qualified attorneys typically take these cases at no cost to you. Margarian Law offers a free, confidential case review. Bring your repair orders to the consultation.