2020 Citroen C3 Aircross 1.5L Diesel · KN20 ONK
2020 Citroen C3 Aircross (1.5L, diesel). First registered 30 Jul 2020. Recorded mileage 42,691 miles. MOT valid until 28 Jul 2027. A manufacturer safety recall is currently outstanding.
- Make & Model
- CITROEN C3 AIRCROSS
- Year / Origin
- 2020 · Northampton
- Safety Recall
- Recall Notice
- MOT Status
- Valid until 28 Jul 2027
- Road Tax
- —
- Recorded Mileage
- 42,691 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6 Diesel)
- Fuel & Engine
- Diesel · 1.5L
- Reliability Guide
- Common Faults
Outstanding Safety Recall Notice
Action RequiredOfficial DVSA telemetry indicates this vehicle has an unaddressed manufacturer safety recall. Remedial repairs are legally required to be carried out 100% free of charge by an authorised main dealer.
Thinking of buying this vehicle? Free MOT and tax checks do not cover legal ownership. If outstanding finance exists, finance companies have legal right to repossess without compensation.
KN20 ONK Key Findings
- 5 MOT tests recorded
- Outstanding manufacturer safety recall notice
- Latest MOT passed on 29/07/2026
- 42,691 miles recorded at latest MOT
- 1 historical MOT failure
- 3 defects noted at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
KN20 ONK MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
5 MOT tests are recorded for this 2020 Citroen C3 Aircross (KN20 ONK) between July 2023 and July 2026.
The record contains 4 passes and 1 failure.
The most recent test on 29 July 2026 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Tyres (5 issues), Brakes (3 issues), Exhaust & Emissions (2 issues), Lighting (2 issues), Suspension (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 12 advisory notices are recorded. Advisories flag items that passed but may need attention before the next test; they are not evidence of how well the vehicle has been serviced.
Recorded failure items include: “Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))”.
KN20 ONK Mileage History
- 28/07/202332,630 mi
- 30/07/202435,019 mi+2,389 mi
- 28/07/202537,340 mi+2,321 mi
- 29/07/202642,691 mi+5,351 mi
- 29/07/202642,691 mi
Average of roughly 3,350 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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Known faults for Citroën Citroën C3 Aircross
Our database tracks 3 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Good
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
Common Problems: CITROEN C3 AIRCROSS
Known issues reported by owners and MOT testers.
- 1.2 PureTech timing belt degradation and oil strainer blockage(Serious)
The oil-immersed wet timing belt degrades over time, shedding rubber particles into the engine oil. These debris collect in the oil pump pickup strainer mesh, causing oil starvation, low oil pressure warnings, vacuum pump failure and loss of power braking assistance.
- BlueHDi AdBlue tank and pump module failure(Serious)
On 1.5 and 1.6 BlueHDi diesel models, the internal heater and pump integrated into the urea AdBlue tank fail, or the tank deforms due to vacuum build-up. The engine management system detects urea dosing errors and triggers a non-start countdown timer. Because the pump is non-serviceable, the complete tank must be replaced.
- Central touchscreen interface freezing and ventilation lag(Moderate)
The dashboard touchscreen controls almost all secondary functions, including climate control, sat-nav and audio. Software instability and hardware memory constraints cause the unit to lag, reboot while driving, or fail to respond to touch inputs, leaving occupants unable to adjust cabin demisting or heating.
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CITROEN C3 AIRCROSS Model Intelligence & Reliability
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Owner-reported defects, recurring MOT failure points, and estimated repair costs.
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Historical MOT pass rates and DVLA records for 2020 model year cars.
- 1.2 PureTech timing belt degradation and oil strainer blockageSerious
The oil-immersed wet timing belt degrades over time, shedding rubber particles into the engine oil. These debris collect in the oil pump pickup strainer mesh, causing oil starvation, low oil pressure warnings, vacuum pump failure and loss of power braking assistance.
- BlueHDi AdBlue tank and pump module failureSerious
On 1.5 and 1.6 BlueHDi diesel models, the internal heater and pump integrated into the urea AdBlue tank fail, or the tank deforms due to vacuum build-up. The engine management system detects urea dosing errors and triggers a non-start countdown timer. Because the pump is non-serviceable, the complete tank must be replaced.
- Central touchscreen interface freezing and ventilation lagModerate
The dashboard touchscreen controls almost all secondary functions, including climate control, sat-nav and audio. Software instability and hardware memory constraints cause the unit to lag, reboot while driving, or fail to respond to touch inputs, leaving occupants unable to adjust cabin demisting or heating.
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