Complete Guide Citroën Gearbox Control Unit TCM | OEM 9654232880 / S118025601C | Automatic Transmission Module
Complete Guide to Citroën Gearbox Control Unit TCM (OEM 9654232880 / S118025601C)
Everything You Need to Know About the Citroën Automatic Transmission Control Module
If you drive a Citroën equipped with an automatic gearbox, your vehicle relies heavily on the Gearbox Control Unit (TCM) to ensure smooth shifting, fuel efficiency, and reliable transmission performance. The TCM with OEM numbers 9654232880 / S118025601C is one of the most widely used Citroën transmission control modules, especially in popular European and international models.
At Automan Spare Parts, we specialize in genuine OEM Citroën TCM units. We are the number one supplier in France, offering the cheapest prices, huge inventory, and global express shipping.
Why the Citroën TCM (9654232880 / S118025601C) Is Important
The Gearbox Control Module is the electronic brain of your automatic transmission. It manages:
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Gear shifting timing
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Hydraulic pressure control
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Torque converter lockup
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Protection against gearbox damage
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Communication with ECU and ABS systems
A worn or failing TCM can lead to poor drivability or complete transmission failure.
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Symptoms of a Faulty Citroën Gearbox Control Unit (TCM)
If your Citroën uses this TCM, watch out for these issues:
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Hard gear shifting
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Gearbox stuck in limp mode
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Delayed or skipped shifts
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Gearbox warning light
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Jerking when accelerating
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Vehicle refusing to shift into certain gears
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Diagnostic fault codes related to TCM communication
Does the Citroën TCM Need Programming When Replacing?
Yes.
Most Citroën TCM units require programming, coding, or adaptation after installation so the module can work with your vehicle’s ECU and gearbox configuration.
Programming must usually be done using:
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Citroën/Peugeot Diagbox
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Dealer-level equipment
Automan Spare Parts supplies plug-and-play programmed TCM options on request, depending on model availability.
Technical Specifications
| Feature | Details |
|---|---|
| Component | Transmission Control Module (TCM) |
| OEM Numbers | 9654232880 / S118025601C |
| Type | Automatic Gearbox Control Unit |
| Manufacturer | Magneti Marelli |
| Vehicle Brand | Citroën (and some Peugeot shared platforms) |
| System | Electronic Automatic Transmission |
Compatibility Table for OEM 9654232880 / S118025601C
This TCM is typically used in several Citroën models with automatic gearboxes.
Citroën Models Compatibility
| Model | Year Range | Notes |
|---|---|---|
| Citroën C3 | 2002–2010 | Automatic gearbox |
| Citroën C4 | 2004–2010 | AL4/DP0 gearbox variants |
| Citroën C5 | 2001–2008 | Automatic transmission models |
| Citroën Xsara | 2001–2006 | Select automatic versions |
| Citroën Picasso / Xsara Picasso | 2000–2012 | Automatic gearbox |
Peugeot Shared Platform Compatibility
While not the main focus, some Peugeot models may also use similar modules:
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Peugeot 307
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Peugeot 308 early models
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Peugeot 206+ automatic
(Always match OEM number before purchase.)
Why Buy Your Citroën TCM From Automan Spare Parts?
1. Number One Seller in France
We supply workshops, dealers, and international buyers with thousands of OEM gearbox control units every year.
2. Cheapest Wholesale and Retail Prices
We source directly from Europe and offer unbeatable pricing compared to local dealers.
3. Massive Inventory of OEM TCM & ECU Units
From Citroën to Peugeot, Renault, BMW, Toyota – all under one roof.
4. Fast Global Shipping
We ship to:
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USA
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Mexico
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Europe
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Middle East
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Africa
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Asia
Express delivery available.
5. 100 Percent Tested Genuine OEM Parts
Every TCM is inspected and tested before dispatch.
How to Replace the Citroën TCM
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Disconnect battery
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Remove transmission controller housing
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Replace TCM
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Reconnect battery
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Program / code the new module
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Clear transmission fault codes
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Test-drive for adaptation
Professional installation recommended.
FAQ – Citroën TCM OEM 9654232880 / S118025601C
1. Do I need to program this TCM?
Yes. Most Citroën TCM units require coding or adaptation.
2. Can I install a used or refurbished TCM?
Yes, but it still needs coding or cloning.
3. What happens if I don’t program the TCM?
The vehicle may enter limp mode, refuse to shift gears, or display gearbox errors.
4. Is this TCM compatible with Peugeot models?
Some Peugeot models share the same Magneti Marelli systems. Always match OEM numbers.
5. Do you ship internationally?
Yes. Automan Spare Parts ships worldwide with express delivery.
6. Are your TCM units genuine?
Yes, all units are tested original OEM parts.
TLDR
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TCM OEM 9654232880 / S118025601C controls Citroën automatic gearbox functions.
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Failure causes hard shifting, limp mode, and gearbox errors.
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Replacement requires programming.
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Compatible with several Citroën models (C3, C4, C5, Xsara, Picasso).
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Automan Spare Parts is the top seller in France, offering best prices and fast global shipping.



