Citroen C3 AIRCROSS, C4, C4X recall: Citroen C3 C4 C4X Selective Catalytic Reduction diagnosis issues.
Yes – some of these vehicles are being recalled
- What's wrong
- On affected vehicles the Engine Control Unit (ECU) software is not according to specification.
- What to do
- Contact a Citroen dealer to book the free repair. Upload modified software to the ECU.
Source: Driver and Vehicle Standards Agency (DVSA)
Check your reg on DVSA ↗
What’s wrong
On affected vehicles the Engine Control Unit (ECU) software is not according to specification.
The fix
Upload modified software to the ECU.
Vehicles affected
| Model | Built from | Built to | Vehicles |
|---|---|---|---|
| C3 AIRCROSS | 18 May 2022 | 17 Oct 2023 | 160 |
| C4 | 20 Jul 2022 | 9 Oct 2023 | 256 |
| C4X | 5 Jul 2022 | 4 Oct 2023 | 2 |
How to check your vehicle
Use the official DVSA checker with your registration number to see if your exact vehicle is included. If it is, the manufacturer should have written to the registered keeper. The repair is free, even if you bought the vehicle second-hand.
Updated 9 January 2025. This page summarises an official notice. Details can change – always follow the official notice.