About Body Control Modules / BCM / BSI / UCH
The body control module (BCM, BSI, BSM, UCH) is the control module that manages the vehicle's body electronics, such as central locking, lighting, wipers, windows and fuse circuits. It is called BSI/BSM on Peugeot and Citroen vehicles, UCH on Renault vehicles and BCM on Opel vehicles.Body control modules that look the same may have different software versions. Check the part number to choose the right module.Frequently asked questionsAre the BSI, BSM, UCH and BCM the same part?They all manage body electronics, but the name varies by brand: Peugeot and Citroen use BSI and BSM, Renault uses UCH and USM, and Opel uses BCM.Do the keys need to be programmed when the body control module is replaced?Since these modules may store immobilizer data, key or card pairing may be required after replacement.Are the fuse box and body control module the same?On many models, the fuse box (BSM, USM) is also a smart control module and is replaced according to its part number.Frequently asked questionsAre the BSI, BSM, UCH and BCM the same part?They all manage body electronics, but the name varies by brand: Peugeot and Citroen use BSI and BSM, Renault uses UCH and USM, and Opel uses BCM.Do the keys need to be programmed when the body control module is replaced?Since these modules may store immobilizer data, key or card pairing may be required after replacement.Are the fuse box and body control module the same?On many models, the fuse box (BSM, USM) is also a smart control module and is replaced according to its part number.
Where is the part number written?
It is on the label on the ECU. Check for numbers starting with 0281… for Bosch, S1… or 5WS… for Siemens/Continental, as well as the vehicle manufacturer's number.
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All our products come with a 6-month warranty. Your 14-day statutory right of withdrawal is also reserved.












