Faulty Transmission Control Module (TCM)
TCM harness is open or shorted
TCM circuit poor electrical connection
Engine Light ON (or Service Engine Soon Warning Light)
Automatic Transmission Poor Gear Shift is the generic description for the P1788 Acura code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information
about the P1788 Acura OBDII code.