Join Date: Mar 2018
Location: Marina del Rey, California
When mine acted up once (gear position indicator) I just took it off, leaving it plugged in, moved it manually through its paces, saw it worked fine again, then bolted it back in place. Been fine since.
Your engine warning light concerns me more, have that checked for sure.
2018 G 310 R, 2016 C 650 Sport and 1976 (!) Yamaha XS650