2025 Volvo S90 Problems: 2 Issues Every Owner Should Know
2025 model year · 0+ owner reports · Updated April 2026
According to Au7o's analysis of 0+ owner reports, the 2025 Volvo S90 has 2 documented known issues. No issues are rated critical, indicating generally reliable ownership. Across all issues, repair costs range from $0 to $1,000. DIY maintenance guides at au7o.io.
All 2 Known Issues
On the 2017-2025 Volvo S90, the electric auxiliary coolant pump develops a leak or fails, affecting cabin heating performance and turbo/supercharger cooling on T6 models. The pump circulates coolant to the heater core and turbo when the engine is off or at idle.
Common Symptoms
- Poor cabin heating at idle
- Coolant leak under center of car
- Turbo heat soak after shutdown
- Low coolant warning
How to Fix
Replace the auxiliary coolant pump. Bleed the cooling system. Inspect the coolant hoses and connections near the pump for related leaks.
What Owners Are Using
Parts and tips from 0+ owners who fixed this issue
- UpgradePrestone coolant flush kit for complete cooling system service (Prestone Coolant Flush Kit)
- UpgradeStant thermostat — preventive replacement during coolant service (Stant Thermostat)
On the 2017-2025 Volvo S90, the Pilot Assist semi-autonomous driving system and adaptive cruise control intermittently become unavailable, displaying error messages. Camera or radar sensor obstruction, calibration drift, or software bugs can trigger the issue. Heavy rain, snow, or direct sunlight may also cause temporary unavailability.
Common Symptoms
- Pilot Assist unavailable message
- Adaptive cruise cuts out
- Camera blocked warning
- Radar sensor error
How to Fix
Clean the windshield camera and front radar sensor. Software updates improve system reliability. If errors persist in clear conditions, the camera or radar module may need recalibration or replacement at the dealer.
What Owners Are Using
Parts and tips from 0+ owners who fixed this issue
- UpgradeBlueDriver OBD-II scanner — reads ABS, SRS, and engine codes (BlueDriver Bluetooth OBD-II Scanner)