Transmission Control Unit Citroën Peugeot 9666161780 BC0091807I
Part number 9666161780 and reference BC.0091807I refer to the original TCU computer responsible for controlling the operation of the automatic gearbox in Citroën and Peugeot vehicles. The module manages gear shifting, ensures driving smoothness, and exchanges signals with the engine electronics and ABS/ESP system.
Models using the 9666161780 control unit
- Peugeot 508, 3008, 5008 – automatic transmission versions
- Citroën C3, C5, C8 – diesel models with automatic gearbox
If your vehicle has a module with number 9666161780 or BC0091807I, this TCU is the right replacement. For other numbers, always check compatibility before installation.
The offered unit 9666161780 / BC0091807I has been thoroughly tested to guarantee full functionality. It is a plug & play solution (depending on the vehicle version), allowing quick restoration of full gearbox performance.
FAQ – Transmission Control Unit 9666161780 / BC0091807I Citroën Peugeot
Which vehicles are compatible with the 9666161780 BC0091807I transmission control unit?
The module 9666161780 / BC0091807I is designed for Peugeot 508, 3008, 5008 and Citroën C5 and C8 with automatic gearboxes, as well as Peugeot Boxer and Citroën Jumper vans with the 2.2 HDi engine.
Will the BC0091807I 9666161780 control unit fit my car?
Yes, if your car is equipped with a module carrying number 9666161780 or reference BC.0091807I. Matching the part number is essential to ensure compatibility.
Does the 9666161780 gearbox control unit require programming?
In most cases, the 9666161780 BC0091807I control unit requires adaptation and coding with professional diagnostic tools to properly match the vehicle.
What are the symptoms of a faulty 9666161780 BC0091807I transmission control unit?
Typical symptoms include: issues with smooth gear changes, gearbox emergency mode, “Check gearbox” messages, and diagnostic error codes.
Is the offered 9666161780 BC0091807I control unit tested?
Yes, every 9666161780 / BC0091807I gearbox control unit is tested on a diagnostic bench and delivered fully functional, ready for installation.