Quote:
Originally Posted by wes878
Occasionally, I can't get my TCH to switch to EV mode. Sometimes on the freeway in rush hour, I slow down to under 40 miles per hour and the car will not switch to EV mode. This is usually when I have been driving in mostly EV mode for a couple of miles and I have to speed up, then the engine comes on. Then when I slow down, (foot off the gas) the engine stays on. This usually happens when the battery is near full as well! I would think it would be more likely to switch back to EV mode with the battery full. If I come to a complete stop for a few seconds it goes back to EV mode Does it overheat or something after a few miles in EV mode? Does this happen to anyone else??
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If you in the EV mode for a few miles and the temperature is cool. The catalytic muffler might have cooled off. But with the ice on it should not take but a minute to heat it back up. I thought maybe a few bad cells in the traction battery. But you drive in the EV mode for a few miles which is the same as i'm getting.
How is your gas mileage on each tank. Is it as you expected.
I keep forgetting to say your heater or AC turned on could have something to do with the ice running a while. If this happens again be sure to press the off button on the AC/heater. Then see if it has any effect.
I don't let my engine idle at all except for a minute or so at a red light. If it does at home I shut it off. I do run in the EV mode mile to our house in the country. The ice kicks on usually a few hundred feet from the house. It continued to run till I shut it off in the carport. I know the reason it run, the traction batteries are down to 40% discharge. They charge back up in the first two miles of driving the next day.
You might want to have your traction battery and ECU checked out just to make sure all is ok. It should be in warranty but that depends on your cars miles.