What causes a transmission to not downshift?
What causes a transmission to not downshift? This could be caused by many things including dirty or low fluid, improper signals from the computer, an ill running engine, worn or damaged clutches, valve body issues and more. Have a trusted Technician look at any codes the vehicle may have and to look at all the associated systems that could cause this. How do you reset the transmission control module on a Ford? How to Reset Ford TransmissionStep 1: Start the vehicle's engine. Step 2: Put the vehicle's gearbox in neutral. Step 3: Put the vehicle in park mode. Step 4:...