This kit is intended for the repair and replacement of electronics in PSA cars – it includes an engine control unit (ECU), an immobilizer unit, a part of the central locking system and 2x remote key with chip (the keys have the TOYOTA logo). The parts come from the same car and are paired with each other, so they are normally assembled as a complete unit without the need for further pairing by diagnostics.

Suitable for:
Citroën C1, Peugeot 107 and Toyota Aygo with 1KR EURO5 engine.

The main advantage of the complete set:
When replacing the ECU itself or the immobilizer itself, the vehicle often cannot be started for security reasons. This kit solves the replacement as a whole (ECU + immo + keys), which is the fastest way to restart and functional locking.

Technical information:
Manufacturer: PSA / Bosch (according to the ECU designation)
Model: Citroën C1, Peugeot 107 (shared platform with Toyota Aygo)
Product codes:
– 0261S06145
– 6545PN
– 6545PR
Other numbers:
– 89661-0H130
– 89780-0H021
– 89740-0H011
– 1608508080

Installation recommendations:
– Always install as a complete set (ECU + immo + keys) to avoid starting problem for security.
– Before disassembly, disconnect the battery (electronics protection against short circuit and overvoltage).
– Check the condition of the connectors and wiring (oxidation, pulled pins, moisture) and, if necessary, treat the contacts with a suitable product.
– After assembly, verify the function: engine start, immobilizer lights, remote control and central locking function.

The reason why the part most often goes wrong:
Electronics most often suffer from moisture and corrosion in connectors, voltage fluctuations (weak battery, poor charging, starting with low voltage), or a fault in the wiring or after intervention (improper disconnection/connection, short circuit). In addition, with the immobilizer and keys, a malfunction of the chip in the key or damage to the antenna/reading part in the vicinity of the ignition box may occur, which leads to the fact that the unit does not allow start.

Usage in categories:
Electrical components, Control units, Immobilizer unit, Central locking, Door locks and keys (Citroën C1 / Peugeot 107).

Designed specifically for professional mechanics and DIY enthusiasts, this set replaces faulty or worn original parts without the need to invest in brand-new components. Immobilizer systems like this prevent unauthorized engine start, ensuring vehicle security while central locking controls the locking and unlocking of doors electronically.

Over time, immobilizer units and central locking components may malfunction due to wear or electrical faults, leading to starting problems or security risks. Replacing them restores original functionality and improves vehicle safety. The keys included contain immobilizer chips that communicate with the unit to authorize engine start, making key programming essential after installation.

Technical Information

Manufacturer: PSA Citroën Peugeot
Model: Citroën C1, Peugeot 107
Product Codes: 6545PN, 6545PR, 1608508080, 89780-0H021, 89740-0H011
Additional Numbers: No additional specific numbers available

Using original parts designed for older model vehicles ensures compatibility and long-lasting performance in your car’s original system. This solution also helps maintain original aesthetics and supports environmental sustainability by promoting recycling and reducing automotive waste.