Is this the MH3000-4000 series?
I'd be more suspect of a disturbance to the wiring loom, or a connector creeping somewhere. Finding an intermittent one can be challenging at best.
J & J, DRV Suites ES-38RSSA #9679
GM Denali, 3500HD-Max, 4x CC, 8' DRW,
EZGo-TXT, Clubcar Precedent