ERDTT resistor mod pictures/instructions/resistor value?
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Thread: ERDTT resistor mod pictures/instructions/resistor value?

  1. #1
    Join Date
    Aug 2014
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    Burlington
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    592

    Default ERDTT resistor mod pictures/instructions/resistor value?

    I was debating whether or not to mod my gen2 to avoid ERDTT, and wasn't planning on doing it since its been relatively warm this winter...only had 3 days where it was cold enough to trigger.

    That being said, I may do it in the coming weeks anyway just to avoid the engine from firing up during 'milk runs' around the corner, which is my biggest annoyance.

    There is a tonne of pictures and info for how to get at the sensor on gen1 and what resistor value to use, but I cant seem to find the same amount of information on the gen2. Anyone know of a thread where this was discussed in detail with (hopefully) some pictures/instructions?
    2014 Ashen Grey - traded in @ 46,000km, 0.29L/100km lifetime
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  2. #2
    Join Date
    Dec 2014
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    I just bought the module for my 2016 Volt on ebay:


    2016-17 Chevrolet Volt Automatic Add-on kit prevent engine running ERDTT


    The temperature sensor is in the front bumper.

    Here is a video that shows how to install the module. It's in French, but you will see it's easy to change:

    https://www.youtube.com/watch?v=Vih6alDjJjE

  3. #3
    Join Date
    Sep 2016
    Location
    SW Michigan
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    Here's what I've found so far (just some random resistor values I already had):
    • 1k ohms 119
    • 2.2k ohms 90
    • 4.7k ohms 60
    • 10k ohms 32
    • 15k ohms 19
    • 22k ohms 6

    Dave
    Last edited by scoobie; 02-23-2017 at 07:48 PM.

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  6. #4
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    Quote Originally Posted by Krusty79 View Post
    I just bought the module for my 2016 Volt on ebay:


    2016-17 Chevrolet Volt Automatic Add-on kit prevent engine running ERDTT


    The temperature sensor is in the front bumper.

    Here is a video that shows how to install the module. It's in French, but you will see it's easy to change:

    https://www.youtube.com/watch?v=Vih6alDjJjE
    Thanks for the video! It looks much easier to get at the sensor vs my old gen 1.
    2014 Ashen Grey - traded in @ 46,000km, 0.29L/100km lifetime
    (0.07L/100km excluding 2 long road trips!)
    Hidden Content
    Best Gen 1 single day EV only (multiple charges) - 180.3 km
    Best Gen 1 single charge range (round trip, not all downhill Hidden Content ) - 96.5 km/10.6 kWh

    Re-volt!
    2017 kinetic blue premiere - love it!
    Hidden Content
    Best Gen 2 range (so far) 133.0 km/14.1 kwh - set at 3,000 km - not even broken in yet!!!

  7. #5
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    Quote Originally Posted by scoobie View Post
    Here's what I've found so far (just some random resistor values I already had):
    • 1k ohms 119
    • 2.2k ohms 90
    • 4.7k ohms 60
    • 10k ohms 32
    • 15k ohms 19
    • 22k ohms 6

    Dave
    Awesome, thanks for the info.
    2014 Ashen Grey - traded in @ 46,000km, 0.29L/100km lifetime
    (0.07L/100km excluding 2 long road trips!)
    Hidden Content
    Best Gen 1 single day EV only (multiple charges) - 180.3 km
    Best Gen 1 single charge range (round trip, not all downhill Hidden Content ) - 96.5 km/10.6 kWh

    Re-volt!
    2017 kinetic blue premiere - love it!
    Hidden Content
    Best Gen 2 range (so far) 133.0 km/14.1 kwh - set at 3,000 km - not even broken in yet!!!

  8. #6
    Join Date
    Sep 2016
    Location
    SW Michigan
    Posts
    17

    Default

    I've achieved what I think it pretty good control over ERDTT. I can force it on, off, or let it operate in "normal" mode. Info in this thread ->http://gm-volt.com/forum/showthread....Due-To-Driver)

  9. #7
    Join Date
    Sep 2015
    Location
    Madison, WI
    Posts
    280

    Default

    Quick question. I bought this off of ebay and just installed it tonight as I'm anticipating it being cold on the drive to work tomorrow. After I installed it, I noticed the temp display in the car was reading around 55. Will this mod cause the car to report the outside temperature being warmer than it really is?
    2017 Premier Kinetic Blue Metallic Volt Confidence Package I & II
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    Ordered 1/2/16 TPW 3/14/16 Arrived to dealer 3/24/16
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  10. #8
    Join Date
    Aug 2014
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    Burlington
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    Quote Originally Posted by chevyman142000 View Post
    Quick question. I bought this off of ebay and just installed it tonight as I'm anticipating it being cold on the drive to work tomorrow. After I installed it, I noticed the temp display in the car was reading around 55. Will this mod cause the car to report the outside temperature being warmer than it really is?
    Yes, thats exactly what the mod does. When its -10C for example, it tricks the car into thinking its warmer than that outside. If you bought the version with the manual switch, turning the switch 'off' will put it to the normal state and the outside temp will be correct.

    If you bought one of the 'newer' ones I think it auto switches, so above a certain temp the value will be correct...far as I know anyway...
    2014 Ashen Grey - traded in @ 46,000km, 0.29L/100km lifetime
    (0.07L/100km excluding 2 long road trips!)
    Hidden Content
    Best Gen 1 single day EV only (multiple charges) - 180.3 km
    Best Gen 1 single charge range (round trip, not all downhill Hidden Content ) - 96.5 km/10.6 kWh

    Re-volt!
    2017 kinetic blue premiere - love it!
    Hidden Content
    Best Gen 2 range (so far) 133.0 km/14.1 kwh - set at 3,000 km - not even broken in yet!!!

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