hello i need helo i hope some one can help me .. i star replaced bcm because the alarm system don’t turn off after i star the engine so i replaced the for used bcm but right now doesn’t star my truck do it like want to star but doesn’t ☹️ so i dint know is the bcm need to programed or what i can do to make my truck star again and spend a lot of money .. hope some one can help me 🗣🗣🗣🗣

i have some isu i replaced this but my car doesn’t turn on acting like want it do it but doesn’t i dont know what also i can do help please . i triying to save money i dint know if the used bcm have to be programmed

The bcms need to have the same numbers and it does need to be programmed