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2015–2025 Volvo XC90 · common problems & known faults

A premium seven seater where electronics and air suspension decide the repair bills.

Compiled & reviewed by the VehicleFaults Research Team · last reviewed August 2026

Quick answer

The most commonly reported faults on the 2015–2025 Volvo XC90 are Air suspension leaks on optioned cars, Timing belt and turbo wear on 2.0 diesels and Blocked panoramic sunroof drains causing water ingress, leading to damp carpets and potential Central Electronic Module (CEM) failure. 4 of the documented issues are rated high severity · inspect these first. Full inspection points, onset mileage and what to check are listed below.

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Reliability snapshot

Based on the documented faults on this page for the Volvo XC90.

3.7/ 10
Buy with caution
Critical
0
High
4
Medium
3
Low
1

Guidance only · reflects reported patterns, not a specific car's condition.

Known faults to check

ElectricalMedium

Sensus infotainment freezes and reboots

Typically appears
Age-related
What to inspect
Cycle every screen function including climate
SuspensionHigh

Air suspension leaks on optioned cars

Typically appears
70,000+ miles
What to inspect
Check ride height after standing overnight

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EngineHigh

Timing belt and turbo wear on 2.0 diesels

Typically appears
90,000+ miles
What to inspect
Check belt evidence and listen for turbo whine
BrakesMedium

Front disc wear from kerb weight

Typically appears
30,000+ miles
What to inspect
Check disc lips and pad thickness
EngineMedium

Hesitation off the line and a hissing noise under acceleration due to a split PowerPulse air hose on D5 models.

Typically appears
40,000-70,000 miles
What to inspect
Open the bonnet, locate the thick rubber PowerPulse hose at the front right of the engine, and squeeze it to feel for splits or listen for hissing when revved.
Body and InteriorHigh

Blocked panoramic sunroof drains causing water ingress, leading to damp carpets and potential Central Electronic Module (CEM) failure.

Typically appears
4-6 years
What to inspect
Press firmly into the front footwell carpets, particularly on the passenger side, to check for dampness. Inspect the headlining around the sunroof for water stains.
DrivetrainHigh

High-pitched whining or grinding noise from the rear axle on T8 Recharge models due to Electric Rear Axle Drive (ERAD) bearing failure.

Typically appears
50,000-80,000 miles
What to inspect
Select 'Pure' driving mode to force electric-only operation. Drive at 20-30 mph and listen closely for a distinct metallic whine originating from the rear of the cabin.
ElectricalLow

Exterior doors fail to lock or unlock using the remote key fob due to faulty door lock actuators.

Typically appears
50,000-100,000 miles
What to inspect
Lock and unlock the vehicle using the key fob three times in rapid succession, physically pulling every exterior door handle each time to ensure all latches engage and disengage.

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Frequently asked questions

Is the XC90 costly used?

It can be. Electronics and air suspension are the two big bills.

Best used pick?

A B5 or D5 with full Volvo history and steel springs.

Do families care about the screen?

Yes, a faulty Sensus screen kills the sale.

How well does the high-voltage battery hold up on older T8 PHEV models?

The T8 Twin Engine batteries generally show excellent longevity, thanks to Volvo's conservative thermal management and buffer capacity. However, early 2015-2018 models with the smaller 9.2kWh pack will naturally see a reduced electric-only range of around 12-15 miles in real-world UK conditions. Check the hybrid system transitions smoothly without juddering.

What are the specific servicing requirements for the all-wheel-drive system?

Non-hybrid XC90s utilise a BorgWarner all-wheel-drive system. While Volvo often claims the unit is sealed for life, UK specialists strongly advise changing the AWD coupling fluid and cleaning the pump strainer every 40,000 miles. Neglecting this leads to pump failure and the vehicle reverting to front-wheel drive.

What is the difference between the older D5 and the newer B5 diesel engines?

The D5 is a traditional twin-turbo diesel featuring the PowerPulse compressed air system to reduce turbo lag. The B5, introduced around 2019, replaces this with a 48-volt mild-hybrid system featuring an integrated starter generator. The B5 offers smoother stop-start operation and slightly improved urban economy, whilst eliminating the problematic PowerPulse hose.

Sources & further reading

Faults are compiled from documented recalls, technical bulletins, owner reports and mechanic sources, then reviewed for accuracy. This is guidance only · not a substitute for a professional inspection.

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