Peugeot 207 complete start kit – engine ECU, BSI, ignition switch and key
Complete start kit for the Peugeot 207, intended for replacing components associated with the immobiliser system. The set includes the 9666235880 / 0261201863 engine control unit, the 9664983380 BSI module, and the ignition switch with key. All components are supplied as a matched set designed to replace a faulty vehicle start kit.
Peugeot 207 start kit compatibility
This engine control unit is fitted to selected petrol versions of the Peugeot 207 equipped with VTi engines. Confirmed applications include:
- Peugeot 207 3/5-door hatchback (WA/WC) – 1.4 VTi 16V 95 hp, 8FS / EP3 engine, approximately 2007–2013,
- Peugeot 207 SW (WK) – 1.4 VTi 16V 95 hp, 8FS / EP3 engine, approximately 2007–2013,
- Peugeot 207 CC – selected 1.6 VTi 16V petrol versions,
- Peugeot 207 hatchback and SW – selected 1.6 VTi versions equipped with this type of engine ECU.
Important: the vehicle model, engine capacity or year of manufacture alone are not sufficient to guarantee compatibility. Before purchasing, compare the part numbers of the original engine ECU and BSI with the references stated in this listing. The same ECU type may be available with different software versions or vehicle configurations.
Common symptoms of an ECU or immobiliser system fault
A fault in the engine ECU, BSI module or communication between the individual components may cause symptoms such as:
- engine does not start even though the starter motor operates normally,
- key not recognised or immobiliser remains active,
- no diagnostic communication with the engine ECU,
- intermittent engine cut-outs or difficulty restarting,
- multiple communication faults between the ECU and BSI,
- rough engine operation, misfires or limp mode,
- various electrical problems caused by a faulty BSI module.
Before replacing electronic modules, it is also recommended to check the wiring harness, power supplies, grounds, fuses and other vehicle components.
Programming, cloning and preparation of the start kit
With a complete start kit, the engine ECU, BSI and key are designed to operate together as a matched system. When replacing the entire set, it is normally not necessary to pair the used ECU separately with the vehicle's existing immobiliser system.
- the kit can be installed as a complete ECU + BSI + ignition switch + key set,
- depending on the vehicle equipment, the BSI configuration may need to be checked or telecoded,
- on request, the ECU can be prepared using data from the original module,
- if the original ECU can still be read correctly, cloning of the immobiliser data and vehicle configuration may also be possible,
- the appropriate preparation method is determined after checking the part numbers and the condition of the original components.
Frequently asked questions – Peugeot 207 start kit
Is the 9666235880 / 0261201863 kit compatible with a Peugeot 207 1.4 VTi 95 hp?
An ECU with these references is used in selected Peugeot 207 1.4 VTi 16V 95 hp models equipped with the 8FS / EP3 engine. Before ordering, however, the ECU and BSI part numbers should be compared with the original components fitted to the vehicle.
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Does the complete Peugeot 207 start kit with BSI 9664983380 require programming?
When the ECU, BSI, ignition switch and key are installed together as a complete set, the immobiliser components remain matched to one another. Depending on the vehicle equipment, the BSI configuration may still need to be checked or adjusted.
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Can the Bosch 0 261 201 863 ECU be fitted to a Peugeot 207 1.6 VTi?
This type of ECU is also found in selected Peugeot 207 1.6 VTi versions. However, this does not mean it is compatible with every 207 1.6 VTi. The complete ECU references and the BSI version must be compared before purchase.
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Can the MEV17.4 ECU be cloned instead of replacing the BSI and key?
In many cases, yes. If the data from the original ECU can be read correctly, the required information can be transferred to another ECU, allowing the vehicle to retain its original BSI, immobiliser system and keys.
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What is included in the Peugeot 207 9666235880 start kit?
The listing includes the components shown in the photos: engine ECU, BSI module, ignition switch and key. It is a complete set intended to replace the main matched components of the Peugeot 207 starting and immobiliser system.
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