The KWP2000 (ISO14230) relies on the uart communication protocol, it uses one or two wires for communications among ECUs, The common names of these wires are: K Line and L Line, usually the L line (if presents ) will work
All structures require a gas check. An annual gas check of any and all buildings designed to use any form of gas series or appliance regarding heating, cooking along with other applications is required legally. It is the primary responsibility