Okay, I understand about putting money into a car and wanting to see it run like you intended. Fortunately, this is a fixable problem, so you should be up and running in no time. In the diagrams down below I have included the diagnostic troubleshooting flow chart for DTC P1300 from the vehicle manufacturer for your vehicle. You will need to use a Digital Multi-meter [DMM] to run these tests, so here is a link below explaining how to do so, if needed:
I have also included guides on how to find an open, and a short to power and a short to ground in the diagrams down below for you as well. Please go through these guides and get back to us with what you are able to find out.
Images (Click to enlarge)
Wednesday, November 20th, 2019 AT 6:08 AM