error gtw-w021

Hi There, Posted bits about this on Facebook (Telsas owners club UK), but not sure about the searchability there and thought I should document for others! This Message popped up whilst driving Saturday. Service mode gives GTW_W021_thcMia A facebook user posted "Thermal Controller Missing in...

Anyone had this error before, Error GTW-w021 I was unable to open car via fob or app. Car seemed to be awake because I was able to flash lights via app controls. Just got a tow to SC. Will post here agin if anyone has or will get error. Only way I got such warning was by asking roadside...