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Update: My intermittent power issue has returned. I wonder if the battery management system (BMS) has a counter that monitors how many power interruptions occur and when it hits some threshold, starts shutting down or turning on the red LED. Then with time the counter resets and the bike works...

I just found a fix that worked for me. The problem had been getting worse with time, shutting down more frequently. Had gotten to the point of not being useable. I cut two squares of UHMW and applied them to the top of the battery (see picture). Problem stopped immediately and I have ridden...

Here's an update on my bike: After many months at the Gainesville, FL Giant shop, I was told it needed a new battery, but none were available but a local guy would re-build mine with new cells for $400. After being told so many different things by the guys at this shop, I declined and brought...

Update: It's been 6 months now, and my shop finally received a new wiring harness for them to "try". I'd imagine changing out a wiring harness on an EMTB is not trivial. The shop owner asked me to give him a couple of weeks. Does anyone know if there are diagnostic codes available from the...

Four months ago, the electric drive on my Giant Full E SX 0 quit. I brought it to my local Giant bike shop. I've been calling them every week or two to see what the status is of the repair. They tell me that the way Giant works these repairs, is to send the shop a part to try (first one was to...

I've owned two "Level I" Giant e-MTBs. Per documentation found online, they are supposed to start reducing assist at 19 MPH, tapering down to zero assist at 20 MPH. I suspect they use that same design philosophy for the Level III bikes. For no reason other than I like gadgets, I ride with...

After reading some poorly translated Giant documentation that discussed avoiding getting water near the motor, I was quite concerned about moisture. Then I found Giant's video (link below) on how to wash your e-bike and was no longer concerned. The guy in the video soaks the bike pretty good...