https://www.aliexpress.com/item/1005003070955585.html?spm=a2g0o.productlist.0.0.1df03b52TK7gqy&algo_pvid=861d6ed4-c194-4658-abfc-874fdfe6b5b1&algo_exp_id=861d6ed4-c194-4658-abfc-874fdfe6b5b1-0&pdp_ext_f=%7B%22sku_id%22%3A%2212000023787526159%22%7D So something like this will work? I assu...

If your UEM has issue inside like shorted CAN bus, yes, it could affect on start, but I do not think new UEM has some issues. ))
UEM responsible for: remote control option, TPMS, SRS belts lamp, it has blind sensor for adjustable mirror, also it control alarm system and interior lights.