Ok... apparently the fix was short lived. It was fine yesterday, however, today it happened again. There is more information to provide.. so for the tech's out there, please read..
A couple of weeks before driving to Florida, I had installed an ICOM radio (ham) in my vehicle. Wired directly from the battery. I am also using the 2nd row inverter to plug in a node for internet usage with my radio. I drove all the way from NY to FL, making a 3 hour stop in GA to see old friends, hitting major rain storms to include a squall in GA...lots of humidity besides the rain/water.
When the wrench light first came on, I emptied my vehicle thinking it was going to Ford, which involved removing the radio and node. When I got in the vehicle yesterday, no wrench light and vehicle drove fine. Today, thinking my vehicle was good, I reinstalled the radio and plugged in the node and when backing out of the driveway, as soon as I gave her gas, the damn wrench light came back on. Going on a hunch it was the radio and node as that was the only thing I did differently, I disconnected them and when I backed out of the driveway, no wrench light.
This was short lived after a 5 mile drive to the Post Office. When I returned to my vehicle, the wrench light came back on.
My question is, could this be a battery issue? I am thinking the modules for the vehicles need a specific voltage to run normally... perhaps my battery needs to be replaced. Is this even remotely possible?
Thanks in advance for any responses that can answer my question(s).
Bill