GEMS ECU UTILITY FOR LAND ROVER by robertf
does have auto/ manual buttons function
Works with Android phone, get the app from Google Play, buy a ELM327dongle to sync up with the ECU. Pretty straightforward app.
Have you tried the self diagnostics from the ATC? Key on, hold the auto and air distribution buttons down which activates the test for codes. You’ll get 4 beeps when test complete.
Saw a video where the existing automatic switch was spliced into by finding the hot wire or power to neutral safety switch then finding the reverse position on the switch and then soldering a wire to the reverse switch on the R380. However I would test with jumper cables before splicing and...
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