Noisy Gearbox in Fit EV

In early June I started to notice my Fit EV making a new noise between about 15 and 30 mph. The noise was very faint and wouldn’t be audible if the car had an internal combustion engine. Check out the video below and see if you can detect the noise.

Fit EV Gearbox

Fit EV Gearbox

I took Fit EV 48 into the dealership and drove the car with the Fit EV tech. Luckily he was able to hear the noise. They analyzed the car with Chassis Ears and found that the noise was coming from around the gearbox. After about a week of back-and-forth with the Honda tech line, they decided to replace the drive axles, which are much cheaper than a gear box. Honda decided it was better to risk unnecessarily replacing the relatively cheap drive axles than to unnecessarily replace the gear box, which costs about 5x as much. The drive axles had to be shipped to San Diego from Japan, so it took about another week before they were installed. Unfortunately, after replacing the drive axle the noise remained. Honda replaced the gear box (which had to be shipped down from LA) and the noise went away.

After getting rid of the noise, the dealership charged the car up and drove it around, listening for any noises. They determined that the loudest noise in the car was the license plate border vibrating when the car went over bumps. They called me up and told me the car was ready. I (half-joking) made sure that there weren’t any new trouble codes like the last time they thought my car was ready, and they assured me that they drove the car around, charged it up, and there were no trouble codes.

2012-12-30 18.33.01So I drove out to the dealership to pick up my car. I did the usual walk around to make sure there were no new dents or scratches (they keep the poor car outside!) and found only a spider in her web, which I removed from the car and set free to roam the new cars on the lot. I got in the car and the first thing I saw was a big yellow “Check Power System” on the Multi-Information Display.

Without even driving, I go back to the service advisor and we had the Fit EV tech take a look at the trouble code. There was a fault in the charge connector temperature monitoring system. The tech analyzed the system (heated it up and cooled it down and verified values) and found nothing wrong, so he cleared the code and sent me on my way. I haven’t had any issues so far, but I haven’t yet plugged into a Blink station, so we will see if the code comes up again.

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