its near the driver fender towards the front of the hood has 3 circuits running into it.
PCM
Yes
Low fluid Burnt fluid Mis adjusted cable Trans related code in PCM/TCM
The PCM is also the regulator.
The PCM (engine computer) provides the power.
it is located inside the hood on the left side along the firewall
The engine computer, PCM, is the voltage regulator.
There are a lot of things that will cause this. 1. Low battery voltage. 2. Flash tool has internal failure /issue 3. Poor connections from flash tool 4. Trying to flash the PCM with the wrong update
Either reset with a scan tool, or by unhooking the battery.
it is located inside the hood on the left side along the firewall
I've had this happen to me as well. I had a 1998 ZJ Laredo 2x4. I found the problem was the PCM. After I replaced the PCM, no more problem.
The PCM is located on the firewall behind the coolant reservoir on the passenger side of the vehicle. Most notably are 3 large connectors.