Great thanks for that. I have a fault AN V1 - TPS (MAIN) Input at 0V/Gnd. I replaced TPS sensor and hasn't made a difference. I'm at the point of thinking I need to rewire it. Does the code point to a specific wire to replace or do them all. I've traced them all back to computer. Full, narrow and 5v into the same plug and ground goes into big plug. Your help is much appreciated. Am I on right track?