Posts: 1
Joined: Tue Aug 04, 2020 10:44 am
Delivery Date: 08 Apr 2020
Leaf Number: 412117

Lost Power in B ECO

Tue Aug 04, 2020 10:49 am

Hello Leaf lovers i have a 2013 and i drive it in B eco mostly all the time and 2 days ago when i put the peddle all the way down there is no power, the D mode and B mode without eco on is still fine.. Any ideas?

Gold Member
Posts: 2599
Joined: Mon Nov 22, 2010 6:47 pm
Delivery Date: 12 Jun 2011
Location: Phoenix, AZ

Re: Lost Power in B ECO

Tue Aug 04, 2020 9:31 pm

Check for DTC error codes with Leaf Spy, if possible. The accelerator pedal sends position information to other modules such as the vehicle control module. If the potentiometers and associated electronics that convert pedal position to digital data are failing, they may work correctly under light to intermediate pedal pressure and fail to signal fully-depressed position. Under those conditions, the car would seem sluggish in ECO mode and almost normal when not in ECO. There have been just a few reports of accelerator position sensor failures on LEAF's. I have had to replace throttle position sensors a couple of time on gasoline-engine vehicles over the past few years.
Silver LEAF 2011 SL rear ended (totaled) by in-attentive driver 1/4/2015 at 50,422 miles
Silver LEAF 2015 SL purchased 2/7/2015; traded 8/10/2019 at 82,436 miles
White LEAF 2019 SL Plus purchased 8/10/2019

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