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  1. Generation 2 Volt (2016-2020)
    I had a power module software update probably a year ago and haven't driven much with engine running due to temperature (ERDDT). I've noticed this year that the engine temperature thresholds have changed because they used to be around 55C to 62C and now it's more like 50C and 65C for the engine...
  2. Chevy Volt General Discussion, News, and Events
    With winter coming, I expect new and old Volt owners to be experiencing the dreaded Engine Running Due To Temperature (ERDTT). I you are interested in disabling this on your Volt, one of our members has an air temperature replacement module that you may be interested in. See...
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