The 2022 S90 is essentially bulletproof being so new, but inherits the SPA platform's known weaknesses from 2017+ models—primarily cooling system issues and the Aisin 8-speed transmission's cooler/mount failures that plagued earlier years. At this mileage most units are still under warranty.
Transmission Oil Cooler Failure
Occasional · high severityTypical onset: 40,000-80,000 mi
Symptoms: Transmission fluid in coolant or coolant in trans fluid (strawberry milkshake mix), Overheating transmission with harsh shifting or limp mode, Low coolant warnings with no visible external leaks
Fix: Replace transmission oil cooler and flush both systems completely—contamination requires trans fluid replacement and sometimes full coolant system flush. 4-6 hours labor depending on contamination severity. This is the Aisin 8-speed's Achilles heel.
Estimated cost: $1,200-2,800
Transmission Mount Deterioration
Occasional · medium severityTypical onset: 50,000-90,000 mi
Symptoms: Clunking on acceleration/deceleration especially from stop, Vibration through chassis at idle in drive, Excessive driveline movement visible when shifting into gear
Fix: Replace transmission mount—Volvo's rubber compound on these fails prematurely. 2-3 hours with subframe partial drop required. Often discovered during oil cooler jobs.
Estimated cost: $600-1,100
Engine Control Module Software Faults
Occasional · medium severitySymptoms: Check engine light with cylinder misfire codes but no actual misfire, Intermittent limp mode with no stored codes, Backup camera failures or delayed engagement (NHTSA recall linkage)
Fix: ECM reflash or module replacement under NHTSA recall 22V-347. Dealership-only fix due to programming requirements. 1-2 hours. Some owners report multiple reflash attempts before resolution.
Estimated cost: $0 (recall) or $800-1,500 if out of recall eligibility
Fuel Filter Clogging (T6/T8 Twin-Charged Models)
Occasional · medium severityTypical onset: 30,000-60,000 mi
Symptoms: Hesitation under hard acceleration especially above 4000 RPM, Reduced boost pressure on turbo+supercharged models, Rough idle when fuel tank below 1/4
Fix: Replace in-tank fuel filter assembly—these clog earlier than scheduled maintenance suggests, particularly with ethanol fuel. Tank drop required. 3-4 hours labor.
Estimated cost: $700-1,200
Coolant Expansion Tank Cracking
Rare · medium severityTypical onset: 60,000-100,000 mi
Symptoms: Coolant weeping from tank seams or cap area, Sweet coolant smell in cabin or under hood, Low coolant warnings with visible level drop
Fix: Replace expansion tank and pressure test system—plastic tanks crack at mounting points or seams. 1.5-2 hours labor. Inherited weakness from earlier SPA platform years but less common on 2022+.
Estimated cost: $400-700
Buy it—2022 models are still in prime warranty years and avoid the worst early-production SPA issues; just budget for transmission cooler replacement as preventive maintenance around 60k.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.