1.2 PureTech wet cambelt degrading and blocking the oil pickup
- Typically appears
- 40,000+ miles
- What to inspect
- Confirm the belt has been replaced to the revised schedule and check oil condition
A style-led small SUV on Stellantis running gear, which means PureTech wet-belt checks, DPF care on diesels and a lot of electronics to test.
Compiled & reviewed by the VehicleFaults Research Team · last reviewed August 2026
The most commonly reported faults on the 2019–2024 DS DS 3 Crossback are 1.2 PureTech wet cambelt degrading and blocking the oil pickup, Diesel DPF and AdBlue system warnings on short-run cars and Infotainment freezing and touch-sensitive controls not responding. 2 of the documented issues are rated high severity · inspect these first. Full inspection points, onset mileage and what to check are listed below.
Based on the documented faults on this page for the DS DS 3 Crossback.
Guidance only · reflects reported patterns, not a specific car's condition.
1.2 PureTech wet cambelt degrading and blocking the oil pickup
Infotainment freezing and touch-sensitive controls not responding
Diesel DPF and AdBlue system warnings on short-run cars
EAT8 automatic hesitating between low gears
Flush door handles and unusual switchgear failing
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Check this exact carOnly with proof the wet belt has been done to the latest interval and oil changes are on time.
Mechanical parts are Peugeot-priced, but trim and styling parts cost more.
It sells well in cities, but check battery health and that the charging cable is present.
They can stick or fail electrically, so test them all before listing.
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.