Citroën DS3 Crossback Recall R/2020/359: The Urea Injector May Block And Lead To NOX Emissions Out Of Regulatory Limits, Who Is Affected And What To Do
- Low
- How serious
- 2 Dec 2020
- Launched
- 168
- vehicles in the UK
- HKH
- Manufacturer’s campaign code
Citroën recalled DS3 Crossback vehicles built between 1 October 2019 and 6 October 2020. There may be a defect in the operation of the urea injector which may become blocked leading to NOx emissions exceeding regulatory limits. The dealer will update the ECU software to avoid the blockage of the urea injector. You won't usually pay for it.1
What’s Wrong
There may be a defect in the operation of the urea injector which may become blocked leading to NOx emissions exceeding regulatory limits.
DVSA's Original Wording
Concern: THE UREA INJECTOR MAY BLOCK AND LEAD TO NOX EMISSIONS OUT OF REGULATORY LIMITS Defect: On affected vehicles there may be a defect in the operation of the urea injector which may become blocked leading to NOx emissions exceeding regulatory limits. Remedy: Update the ECU software to avoid the blockage of the urea injector
Contains public sector information licensed under the Open Government Licence v3.0.
The Risk
If the fault occurs, the recall notice says it could lead to nOx emissions exceeding regulatory limits.
The Fix
The dealer will update the ECU software to avoid the blockage of the urea injector. The fix is a software update, which usually takes under an hour at the dealer.
Are You Affected?
DS3 Crossback built between 1 October 2019 and 6 October 2020 may be included. Citroën estimates 168 vehicles in the UK. Enter your registration to check, then confirm by VIN with Citroën, because not every car in the date range may be included.
Which Car Is It?
Choose the make and model so we can match recalls to your car.
What To Do Now
- Check your car by registration above, then by VIN with Citroën.
- Book with any franchised Citroën dealer, quoting the campaign code HKH or the DVSA reference R/2020/359. See how to get a Citroën recall fixed.
- Follow the letter's instructions until the repair is done. See can you drive a car with a recall?.
Related Recalls
| Launched | Vehicle and fault | Severity | Reference |
|---|---|---|---|
| Berlingo Electric, C4 Electric, C4X Electric, DS3 CrossbackThere is an error in the software calibration of the traction battery control unit which could result in a loss of propulsion when driving | Urgent | R/2023/010 | |
| C4 V3, Dispatch IV, DS3 Crossback, SpacetourerThe high voltage harness fitted might not be to correct specification | Urgent | R/2022/202 | |
| DS3 CrossbackThe routing of the rear brake pipes may not conform to specification | Urgent | R/2020/037 | |
| C3, C3 Aircross, C4, C4XAlternator protection | Urgent | R/2026/073 | |
| Dispatch, SpacetourerCitroen Dispatch/Spacetourer low in-use performance ratio ECM s/w | Low | R/2025/500 |
This is one of 414 Citroën recalls in DVSA’s data. The Citroën recall launched before it was R/2020/355 on 2 Dec 2020, for the stitching pattern used on the rear seat belt material is not to correct specification. The one launched after it was R/2021/006 on 5 Jan 2021, for vehicles affected may have a single wheel bolt on both right hand side wheels which may…. You can also see every Citroën recall and all recalls launched in 2020.
Source: DVSA recall R/2020/359, launched 2 December 2020. Data updated 15 October 2026. How we grade urgency.
Sources
- The Code does not itself say repairs are free. GOV.UK guidance says "You will not usually have to pay for any repairs or parts under a safety recall." gov.uk Checked 15 Oct 2026.