Dear fellow Volt owners, and prospective owners,
GM did announce that the infamous ERDTT (Engine Running Du To Temperature) - only used to provide cabin heat - will be back in the 2016 Volt. In northern countries, the use of ERDTT makes the Volt highly inefficient in short trips, even just to move the car out of the driveway, and this causes an high level of insatisfaction about this poorly designed feature. Moreover, during short trips, the ICE engine is unable to get hot enough to remove condensation from oil. It can even be a factor for shorter ICE engine life in cold climates.
GM is even sued in a class action based on the fact that the Volt was portrayed as 100% electric when there is still energy in the battery. ERDTT of course prohibits this and this is one of the basis of this class action.
There is even a well-known modification to the exterior temperature sensor to better control the ERDTT.
More information is available from http://roulezelectrique.com/petition-a-propos-de-lerdtt-sur-la-chevrolet-volt-2/
In the above link there is a reference to an interview with Mr Andrew Farah, chief engineer of the Volt, that states that the ERDTT is only for cabin heat purpose.
A petition is ongoing to ask GM to provide a better control of the ERDTT to the driver. This can be as simple as a confirmation screen that is presented on the center console display, in an analogous matter to the EMM (Engine Maintenance Mode) screen.and the link to the petition is to: https://www.change.org/p/general-mo...y-making-the-erdtt-an-optional-feature-rendre-le-erdtt-une-fonction-optionnelle
The text of the petition is bilingual, English and French.
Thank you for supporting this matter and helping to make the Volt an even better car
Francois Boucher
B2653
GM did announce that the infamous ERDTT (Engine Running Du To Temperature) - only used to provide cabin heat - will be back in the 2016 Volt. In northern countries, the use of ERDTT makes the Volt highly inefficient in short trips, even just to move the car out of the driveway, and this causes an high level of insatisfaction about this poorly designed feature. Moreover, during short trips, the ICE engine is unable to get hot enough to remove condensation from oil. It can even be a factor for shorter ICE engine life in cold climates.
GM is even sued in a class action based on the fact that the Volt was portrayed as 100% electric when there is still energy in the battery. ERDTT of course prohibits this and this is one of the basis of this class action.
There is even a well-known modification to the exterior temperature sensor to better control the ERDTT.
More information is available from http://roulezelectrique.com/petition-a-propos-de-lerdtt-sur-la-chevrolet-volt-2/
In the above link there is a reference to an interview with Mr Andrew Farah, chief engineer of the Volt, that states that the ERDTT is only for cabin heat purpose.
A petition is ongoing to ask GM to provide a better control of the ERDTT to the driver. This can be as simple as a confirmation screen that is presented on the center console display, in an analogous matter to the EMM (Engine Maintenance Mode) screen.and the link to the petition is to: https://www.change.org/p/general-mo...y-making-the-erdtt-an-optional-feature-rendre-le-erdtt-une-fonction-optionnelle
The text of the petition is bilingual, English and French.
Thank you for supporting this matter and helping to make the Volt an even better car
Francois Boucher
B2653
