P0990 - transmission fluid pressure sensor/switch. WE TESTED THE OLD ONE, DID NOT GET 10K oms. Replace with a new one, and a new harness to the TCM. Code comes back after about 60 miles. Swapped TCM with a different one, same thing - about 60 miles code comes ...

FIX posted 8/16/2017

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