Convertible top goes halfway down

Did you use a saver tool before you disconnected main power? If not then you need to go to the dealer and have the system reset, hopefully you didn’t damage the BCM.

Answer not posting

It sounds like there may be an issue with the convertible top mechanism or its electrical system. Here are a few steps you can take to troubleshoot the problem: Check the fuses: Examine the fuse box in your car to see if any of the fuses related to the convertible top or the electrical system are blown. Replace any blown fuses with new ones of the correct rating. Reset the convertible top module: Some cars with power-operated convertible tops have a module that controls its operation. Try resetting the module by disconnecting the car's battery again, waiting for a few minutes, and then reconnecting it. This can sometimes resolve minor glitches in the system. Inspect the wiring and connections: Carefully inspect the wiring and connections related to the convertible top mechanism. Look for any loose or disconnected wires, damaged insulation, or corrosion. Ensure that all connections are securely attached. Check the convertible top motor: The motor responsible for operating the convertible top may have been affected by the sudden loss of power. Make sure the motor is functioning correctly by listening for any unusual noises when you try to operate the top. If you suspect a problem with the motor, it may require professional inspection or replacement. Consult a professional: If the above steps don't resolve the issue, it's best to take your car to a qualified mechanic or the dealership's service center. They will have the expertise and specialized diagnostic tools to identify the specific problem and recommend the necessary repairs. Remember to exercise caution when working with car batteries or any electrical components. If you're unsure or uncomfortable with the troubleshooting process, it's advisable to seek professional assistance to avoid potential damage or injury.