Engine control unit 9663306680 21585932-9A (Valeo J34P)
Used Valeo J34P module for Peugeot and Citroën with a petrol engine – we check it before dispatch.
Preparation and fitting
- IMMO OFF – plug & play: the immobiliser is disabled, so after fitting the ECU needs no programming or pairing with the immobiliser.
- Free cloning: if you send us your ECU, we will transfer the data from it.
- Warranty: 6 months.
Failure symptoms – what to look for
- the car will not start, the injectors are not controlled,
- the diagnostic tester cannot connect to the ECU,
- the fuses are fine, but the ECU has no power,
- the problem appeared after water ingress or a wiring short circuit.
The cause can also be wiring, power supply or sensors. Before you buy an ECU, have the car diagnosed.
Numbers on the label
- PSA number: 9663306680
- Valeo number: 21585932-9A
- ECU type: Valeo J34P
Does ECU 9663306680 fit your car?
Model and year of manufacture are not enough. Compare the label on your ECU with 9663306680, 21585932-9A – 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.
Looking for a number other than 9663306680? Browse the Peugeot and Citroën categories or the Valeo manufacturer page.
Frequently asked questions about ECU 9663306680
Is cloning charged?
No, cloning is free. Send us your ECU and we will transfer the data from it.
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How can I check that 9663306680 will fit?
Look at the label on your ECU. It must show the numbers 9663306680, 21585932-9A – the car model and year are not enough.
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Is 9663306680 a new ECU?
No. We sell a used unit that is tested before dispatch.
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Does ECU 9663306680 come with a warranty?
Yes – 6 months. We test every unit before dispatch.
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