Bosch MED17.4 Engine ECU 0261S04616 OEM 9666325380 IMMO OFF
Original Bosch MED17.4 engine control unit for selected Peugeot and Citroën vehicles equipped with the 1.6 THP petrol engine. The module carries Bosch number 0261S04616, PSA number 9666325380 and hardware reference 9666319780. The ECU has been prepared in an IMMO OFF Plug & Play configuration.
Applications for ECU 0261S04616
- Peugeot 3008 I – crossover, selected 1.6 THP versions produced approximately between 2009 and 2016,
- Peugeot 308 I – hatchback, SW estate and CC coupé-cabriolet, selected 1.6 THP versions produced approximately between 2010 and 2015,
- Peugeot 5008 I – minivan, selected 1.6 THP versions produced approximately between 2009 and 2016,
- Peugeot RCZ – coupé, selected 1.6 THP versions produced approximately between 2010 and 2015,
- Citroën C5 III – saloon and Tourer estate, selected 1.6 THP versions,
- confirmed application with the EP6CDT engine, also designated 5FV / 5F02.
The module is available with different software versions, so the vehicle model and engine capacity alone are not sufficient to confirm compatibility. Before purchasing, compare numbers 0 261 S04 616, 96 663 253 80 and 9666319780 with the label on the original ECU. We also recommend providing the VIN and a photo of the old module.
Common symptoms of a faulty MED17.4 ECU
- engine will not start or stalls shortly after starting,
- misfires despite functional spark plugs and ignition coils,
- no control of one of the injectors or ignition coils,
- loss of diagnostic communication with the ECU,
- incorrect throttle control and throttle position faults,
- engine cuts out or enters limp mode.
These symptoms may also be caused by wiring faults, sensors, injectors, ignition coils or the power supply system. Before replacing the ECU, check the power supply, grounds, CAN wiring and fault codes stored in the other vehicle modules.
IMMO OFF, programming and ECU preparation
The offered ECU has been prepared as IMMO OFF, meaning that the immobiliser function has been disabled. When a module with matching part numbers is installed, the vehicle can be started without pairing the ECU with the BSI and without the standard immobiliser synchronisation procedure.
- immobiliser disabled – IMMO OFF configuration,
- Plug & Play preparation for matching part numbers and software,
- no need to pair the ECU with the immobiliser system,
- no need to code the keys solely because of ECU replacement,
- module checked and tested before dispatch.
The IMMO OFF version does not replace the need for correct software matching. If the equipment, gearbox or engine variant differs from the donor vehicle, the correct software or configuration may still need to be programmed.
On request, we can also perform 1:1 cloning of the data from the original ECU. The old module must be readable in order to complete the cloning process. With cloning, the immobiliser data and vehicle configuration are retained, so an IMMO OFF version is usually not required.
Frequently Asked Questions
Is ECU 0261S04616 IMMO OFF Plug & Play?
Yes, provided the part numbers and software version match the original module. The immobiliser is disabled in the ECU, so standard pairing with the BSI is not required.
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Is ECU 9666325380 compatible with the Peugeot 3008 1.6 THP?
This number is used in selected Peugeot 3008 I 1.6 THP versions. Before purchasing, Bosch number 0 261 S04 616 and hardware reference 9666319780 should also be compared.
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Is the Bosch MED17.4 ECU compatible with the Peugeot 308 CC 1.6 THP?
The ECU is used in selected Peugeot 308 versions, including the 308 CC with the 1.6 THP engine. Compatibility should be confirmed using all part numbers on the label of the original ECU.
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Do the keys need to be coded after installing ECU 96 663 253 80?
No. In the offered IMMO OFF configuration, key coding or immobiliser synchronisation is not required solely because the ECU has been replaced.
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Can Peugeot Citroën 1.6 THP ECU 0261S04616 be cloned?
Yes, provided a complete data read from the old module is possible. 1:1 cloning retains the original immobiliser data, vehicle configuration and settings.
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