Android 2019 - P1682 Code, 2014 p1682 - chevy traverse forum: chevrolet traverse forum, Here's some info for you i found on that code. i see two techs had done something to or replaced the underhood fuse box. you may be able to test this with a dvom and wiring diagram.. 2000 dodge dakota trouble codes - 2carpros, My check engine light is on. i did a self-check on my truck and i get trouble codes p0138, p0301 and p1682. are these problems that a person who is not mechanically inclined would be able to fix?. P0135 oxygen o2 sensor heater circuit malfunction, Description of vehicle trouble code p0135 - oxygen o2 sensor heater circuit malfunction (bank1, sensor1).