Skip to main content
English €
Wishlist
Products in the cart: 0. See details

Your cart is empty
Close search engine Clear Search
  • Gearbox control unit Citroën Peugeot 9666161780 BC0091807I. Tested TCU, ready for installation. Fits many PSA models, including 508 and C5.
  • Module 9666161780 BC0091807I Citroën Peugeot. Original automatic transmission control unit, tested and fully functional, prepared for installation.
  • Original automatic transmission control unit Citroën Peugeot 9666161780 BC0091807I. Verified module, ready for installation, compatible with OEM number.

9666161780 BC0091807I TCU Transmission Gearbox Controller Citroen Peugeot BC.0091807.I

MAGNETI MARELLI

9666161780 / BC0091807I – Transmission Control Unit Citroën Peugeot

Original transmission control unit BC.0091807.I with OEM number 9666161780, ensuring proper operation of the automatic gearbox in selected Citroën and Peugeot models.

Go to full description
Fast delivery of ECU engine unit – within 1–2 working days
Ask about the product
English €
with VAT without VAT
Price €281.08
incl. 23% VAT

Shipping costs are not included in the price.

Shipping from €42.16 - UPS express delivery around world (Afghanistan)

express delivery 3-6 days
pcs
Availability:
available

info

Information

  • CAR MODEL PEUGEOT CITROEN
  • OEM: 9666161780
  • PART NUMBER BC0091807I / BC.0091807.I / 0091807 B
  • WARRANTY 6 MONTH
  • TESTED Second hand product
  • PAYMENT: Credit Card , Bank Transfer , PayPal
  • DELIVERY European Union 2-3 working days
  • DELIVERY Worldwide 4-7 working days

description

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.

Reviews

Number of ratings: 0
Rate and review

Similar products

    Blog:
    enter

    • Basic Information 14-03-2026

      Secure Shipping of ECU Engine Controllers – New ECUSALE Packaging Boxes and Packing Process

      NEW at ECUSALE – dedicated shipping boxes for safe transport of ECU engine controllers

      At ECUSALE we continuously improve the way automotive electronics are prepared and shipped. We have introduced new dedicated shipping boxes with the ECUSALE logo, designed specifically for the safe transport of ECU engine controllers, ABS modules and other vehicle electronic components.

      In this article we show the process of preparing an engine controller for shipment – from testing performed by an automotive electronics specialist and full device inspection, to professional packaging using bubble wrap and protective cushioning materials.

      How do we pack ECU engine controllers at ECUSALE? Shipping costs and delivery methods

      Find out how we protect automotive electronics during transport and what solutions we use to ensure that engine controllers arrive to customers in perfect condition. We also present the courier companies we cooperate with, available delivery methods and shipping costs.

      Read more
    • Sale 09-03-2026

      Symptoms of ECU Failure in Audi Q7 4.2 TDI and Repair Solutions – 4L0910409 / 0281013013 / 0281015165 – Bosch EDC16CP34

      Audi Q7 4.2 TDI Engine Controllers – Typical ECU Failure Symptoms

      The Audi Q7 4.2 TDI engine controllers (4L0910409, 0281013013, 0281015165 – Bosch EDC16CP34) often fail due to water damage. The problem most commonly affects the Master controller, which is mounted horizontally and, because of its position, is more exposed to moisture.

      You can also visit our social media where we publish previews and additional materials related to this article on Facebook and Instagram.

      If your car does not start, stalls after starting, or there is no communication with the engine controller, the cause may be a damaged ECU. In this article we explain the typical symptoms of engine controller failure in the Audi Q7 4.2 TDI and present available solutions – from programming a single Master or Slave controller to a ready-to-install Master + Slave set with IMMO OFF.

      Read the full article and find out how to solve the engine controller problem in the Audi Q7 4.2 TDI.

      Read more
      Płatności Shoper