Cheap Peugeot 108 ECU
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Buying a used Peugeot 108 ecu: what matters
Fitment on a used ecu varies by vehicle, so a bit of detail goes a long way. Our request form covers what breakers need to know, so every quote you get back is for the correct part:
- State whether it's petrol or diesel
- State the engine code if known
Other used Peugeot 108 parts
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Used ecu for other Peugeot models
Fitment questions
Does the Peugeot 108 have an ECU?
Yes, every Peugeot 108 has an ECU (Engine Control Unit) — it manages fuelling, ignition, and emissions on both the 1.0-litre petrol and 1.2-litre petrol engines fitted to this model. Whether you have a manual or automatic gearbox, a three-cylinder 1.0 VTi or the 1.2 VTi, each variant carries its own ECU matched to that engine and transmission combination. If you are sourcing a used unit, the engine code from your V5 or a VIN check is the single most important detail to supply to the breaker.
Will a Peugeot 108 ECU from a 2014 fit my 2019 model?
The Peugeot 108 was produced in one generation running from 2014 to 2021, with a facelift introduced in 2018, so a 2014 and a 2019 car sit either side of that facelift boundary. Within the same engine code the underlying unit may be compatible, but ancillary or software changes around the 2018 facelift mean you should confirm directly with the breaker whether a pre-facelift ECU will suit a post-facelift car against your specific registration. The engine code — not just the year — is the critical matching detail here.
Does it matter whether my 108 is a 1.0 or 1.2 when sourcing an ECU?
Yes, this matters significantly — the ECU is calibrated specifically to the engine it was fitted to, so a 1.0 VTi unit (engine code 1KR) is not interchangeable with a 1.2 VTi unit (engine code HMZ) and vice versa. Always quote your engine code to the breaker, as the displacement alone is not always sufficient and the code removes all ambiguity. Fitting the wrong ECU could cause the car to run poorly or not start at all.
Does the trim level affect which ECU I need — for example, Active versus Allure?
No, trim level does not affect ECU fitment on the Peugeot 108 — Active, Allure, and Roland Garros editions all share the same drivetrain options, and the ECU follows the engine code and gearbox type rather than the badge on the tailgate. You do not need to worry about sourcing a trim-specific unit; just ensure the engine code and transmission type match your car. Cosmetic differences between trims such as interior fabric or alloy wheels are irrelevant to this part.
Does a manual gearbox 108 ECU fit an automatic 108?
No — the ECU on an ETG (automated manual) or automatic-equipped 108 is calibrated to communicate with the transmission control system, and swapping it with a unit from a manual car is not a straightforward like-for-like replacement. Always tell the breaker whether your car has a manual or ETG/automatic gearbox when requesting a quote, as well as supplying the engine code. Mismatching the gearbox type is one of the more common sourcing errors on this model.
Will a used ECU simply plug in and work, or does it need coding?
ECUs on the Peugeot 108 are paired to the vehicle's immobiliser system, so a used unit will typically require coding or adaptation to your car before it will allow the engine to start — this is not something you can confirm from the part number alone. Whether coding is needed and what equipment is required is something you must confirm with both the breaker and a qualified auto electrician or Peugeot specialist before purchase. Do not assume a direct plug-and-play swap even if the part numbers appear to match.