Quick hunt online suggests the galletto/kwp2000 might be suitable and allow reading/writing, although finding info seems right tricky since the rover owners seem to fear the idea of doing it themselves
Also another +1 to Jammapics mapping, experienced his hdi before it got sold and it really put a smile on my face like my old hdi never did
Also another +1 to Jammapics mapping, experienced his hdi before it got sold and it really put a smile on my face like my old hdi never did