This truck stays in first gear unless you manually shift using the gear select. The speedometer never goes above about 13 MPH (at 13 mph on the speedo the vehicle is moving at 30-40 mph). This condition trips two codes consistently P0731, P0732. The trans shop...

FIX posted 11/3/2016

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle