EV Range diminishing - 2018 Honda Clarity Forum
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post #1 of 41 (permalink) Old 10-27-2018, 01:55 PM Thread Starter
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EV Range diminishing

When I first got the car, which was only four months ago, it started with the stated 47 EV range after a charge. After it adjusted to my driving, it dropped a few miles to 43. I live in a very hilly area, and do half my driving on the freeway, neither of which does do good things for EV ranges. But as of the last month, it's dropped to 37 after an all night charge. Is this normal?? I know batteries do lose some of their charge over time, but I didn't expect it to happen so quickly. I'm leasing the car. I had just about decided that I would keep it, but not I'm leaning the other way.
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post #2 of 41 (permalink) Old 10-28-2018, 08:54 AM
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Cold weather also affects range. My summer range of 60s has dropped to the low 40's.
Terry
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post #3 of 41 (permalink) Old 10-29-2018, 12:31 PM
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Cooler weather!
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post #4 of 41 (permalink) Old 10-31-2018, 07:45 PM
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Yes I found the same and it seems weather related
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post #5 of 41 (permalink) Old 10-31-2018, 08:46 PM
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Charging

I noticed the same thing. But today it was in the high 60s and only got 44 miles on a full charge. I had some software updated a few weeks ago, mileage went down after that but it was cooler. I wonder if the software update has anything to do with it.
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post #6 of 41 (permalink) Old 11-01-2018, 02:25 AM Thread Starter
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Quote:
Originally Posted by 1969tc View Post
Cold weather also affects range. My summer range of 60s has dropped to the low 40's.
Terry
I knew weather had an effect, but didn't realize it was such a drastic one. It's been warmer the last week, and the range has gone back up to 41 to 43.
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post #7 of 41 (permalink) Old 11-11-2018, 01:26 PM
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I have the same issue. I got mine in August and the range was 47-48 and by the end of September and now November I am seeing 35-37 at 100% charge. I'm not happy about this at all. That's a huge % loss.
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post #8 of 41 (permalink) Old 11-12-2018, 11:14 AM
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Quote:
Originally Posted by Amster View Post
When I first got the car, which was only four months ago, it started with the stated 47 EV range after a charge. After it adjusted to my driving, it dropped a few miles to 43. I live in a very hilly area, and do half my driving on the freeway, neither of which does do good things for EV ranges. But as of the last month, it's dropped to 37 after an all night charge. Is this normal??
Hi. I have had a similar experience. I live in upstate NY. I got my new Clarity on Oct. 17, about 4 weeks ago. The car had 90 miles on it because it had been driven from another dealer by one of their drivers. For the first 2 weeks when fully charged the range read 43 miles. I never saw the promised 47 mile estimate. Since then the mileage read out has been declining steadily as the temps. have dropped. Now when fully charged it is displaying 36 miles of EV range. I don’t have a heavy foot (with this car anyway) and I rarely drive on the highways. No hills either. Any ideas? Do you think the data collected from the initial drive by a dealer’s driver of 90 miles on the NYS throughway has affected the mileage estimates? Could the battery system be defective?
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post #9 of 41 (permalink) Old 11-14-2018, 08:07 PM
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Agree- 42-47 mi initially when purchased a month ago, now 32-35 after overnight charge! What’s the deal Honda?
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post #10 of 41 (permalink) Old 11-19-2018, 08:20 PM
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When I first purchased the Clarity PHEV in July 2018, I was getting 58-60 mile range on a full charge. Then they did a recall for a software update at the beginning of November after I had a power systems idiot light trip and now I'm at 39. Honda claims it's because of weather (it's in the 50s here in DC) and it's within tolerances...but won't tell me how much loss happens at a given temperature, nor will disclose what the tolerance is.

I am intensely disappointed.
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