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Engine starts while in park with climate controls off


openair
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I've experienced this a few times over the past year. Starting at the drive in theatre with the ac on, then a couple times with the heat on (could accept this as normal) and now today with the climate controls completely off.

 

The vehicle is parked for 10+ minutes, in auto, with 25% to 75%+ charge of the hvb in all instances and the engine starts, runs for about 30 seconds and then stops.

 

The time it occurred at the drive in theatre I shut down the vehicle and started it again and the engine did not run for the rest of the two hours parked there in exactly the same conditions. It may only occur when the vehicle is parked after having been placed in Ev later for a period before being parked.

 

Anyone else experience similar?

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Did the ICE ever warm up prior to the vehicle being in EV Auto?

 

I ask because mine will start the ICE while in EV Auto if the ICE had started and warmed up while in EV Later prior to me switching back to EV Auto. I have a ScanGauge and observed the magic threshold to be when the coolant temperature drops to 110F. I think there may be other variables that determine whether it kicks on to rewarm itself though because it doesn't always happen. But, when it does happen the coolant temperature is always 110F. I believe mine will restart the ICE while the transmission is in park.

Edited by bdginmo
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