Engine control unit 9665799180 21583563-2A (Valeo J34P)
Used Valeo J34P module for Peugeot and Citroën with a petrol engine – we check it before dispatch.
Valeo J34P label numbers
These are the numbers that matter when matching the ECU:
- PSA number: 9665799180
- Valeo number: 21583563-2A
- ECU type: Valeo J34P
Before fitting
The immobiliser in this ECU is disabled, so it is fitted without programming (plug & play).
- cloning of data from your ECU – free, once you send it to us,
- warranty – 6 months.
Does ECU 9665799180 fit your car?
Model and year of manufacture are not enough. Compare the label on your ECU with 9665799180, 21583563-2A – if they match, it is the same unit. It fits selected versions of Peugeot and Citroën with a petrol engine. If in doubt, send us a photo of the label.
Possible symptoms of a faulty ECU
- the engine does not start, no injector control,
- no communication with the ECU during diagnostics,
- the ECU has no power supply although the fuses are fine,
- failure after water ingress or a short circuit in the wiring.
These symptoms can also come from a wiring, power supply or sensor fault, so run a diagnosis before buying.
Looking for a number other than 9665799180? Browse the Peugeot and Citroën categories or the Valeo manufacturer page.
Questions and answers: 9665799180
Does ECU 9665799180 fit my car?
Compare the label of your ECU with the numbers 9665799180, 21583563-2A. If they match, the ECU fits – the car model alone does not decide this.
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What is the warranty on ECU 9665799180?
The warranty is 6 months.
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Is 9665799180 a new ECU?
No. We sell a used unit that is tested before dispatch.
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Does no communication always mean a faulty ECU?
Not always. The cause can be in the wiring, power supply or sensors – that is why a diagnosis before buying is worth doing.
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