Citroen Relay original ECU files
7 original (stock) ECU files for the Citroen Relay: 3 ECU types and 3 engine versions. Find your exact file by its hardware (HW), software (SW) or calibration number and compare it with your own read.
ECU types in the Citroen Relay 3
Engine versions 3
All Citroen Relay files 7
| Vehicle | ECU | HW | SW | Calibration / upgrade | |
|---|---|---|---|---|---|
| Citroen Relay2.2 120hp | Continental SID208 | — | 9679061680 | 9679061680 | €20 · Open |
| Citroen Relay2.2 120hp | Continental SID208 | 9676721380 | 9679061780 | 9679061780 | €20 · Open |
| Citroen Relay2.2 130hp | Visteon DCU102 | — | — | — | €20 · Open |
| Citroen Relay2.2 130hp | Visteon DCU102 | — | — | — | €20 · Open |
| Citroen Relay2.2 130hp | Visteon DCU102 | 9666360280 | 6C1U-12A650-EV | — | €20 · Open |
| Citroen Relay2.2 130hp | Visteon DCU102 | 9661256980 | 9666405880 | — | €20 · Open |
| Citroen Relay2.8 145hp | Bosch EDC15C7 | 0281010345 | 1037369918 | 1037369918 | €20 · Open |
All hardware, software and calibration numbers
Find the number from your ECU read (Ctrl+F) and open the matching file.
Hardware (HW) · 4
Software (SW) · 5
Calibration / SW upgrade · 3
Tuning for Citroen Relay — done by our engineers
- Stage 1 / Stage 2 / ECO
- DPF / FAP OFF
- EGR OFF
- AdBlue / SCR OFF
- DTC OFF
- Speed limiter, Start&Stop
Questions
Are these files modified?
No. Every file is an original (stock) read of a Citroen Relay control unit, delivered exactly as read. If you need a modified file, order tuning below.
How do I find the right file?
Read the ECU with your tool and compare the hardware (HW) and software (SW) numbers — and the calibration when several files share one software number. The vehicle name alone is not enough: the identifiers decide.
How do I get the file?
Create an account on our file service, top up your balance and download the file straight away. Every original file costs €20.
My number is not listed. What now?
Send us the HW/SW numbers of your ECU on WhatsApp or by email. We check our full archive and reply.
Can you tune Citroen Relay?
Yes. We make Stage 1/2 files and DPF, EGR, AdBlue/SCR and DTC solutions for Citroen Relay (depending on the engine). Upload your read on our file service.