John- the device you use to clear the code each time is doing it properly is it, and not letting you chase your tail by leaving the error code there?
Sorry not meaning to be rude or anything, just I had a mate once with a Mitsubishi had that happen.

Cheers John
2011 4/4 - "Elrond"
2007 Elfin C3 Clubman - “Gimli”