A TCU (telematic control unit) can A TCU (Telematics Control Unit) can only be ordered by specifying the only be ordered with specification of vehicle identification number. The the Vehicle Identification Number. When VIN is coded when the replacement shipping the exchange TCU, the TCU is delivered. Recoding is not Vehicle Identification Number is encoded. possible. The TCU functions properly Recoding is not possible. The TCU only only with matching coding. Replacements functions properly with suitable encoding. TCUs cannot therefore be ordered in Therefore, exchange TCUs cannot be reserve! Retrofits and conversions ordered for stock! Retrofitting and to SA633 are not possible! conversions to SA633 are In event of impaired Bluetooth not possible! function, please check the compatibility In case of impairment of the function of of the mobile phone software status the Bluetooth functions, please first with the TCU first (see ASAP/Parts and check the compatibility of the mobile Accessories/Product Information/Search, phone software version with the TCU (see key words: Compatibility matrix). ASAP/parts and accessories/product ***** information/search, keyword: ***** compatibility matrix). ***** ***** ***** *****