P0701 OBD Code Definition:
P0701 EEPROM System Malfunction
P0701 OBD Code Description:
OBD Code P0701
Transmission Control System Range/Performance
What’s mean?
OBD2 Code P0701 Definition:
Symptoms
Possible sumptoms of P0701
– Engine Light ON (or Service Engine Soon Warning Light)
Possible Causes
Possible causes of P0701
– Open or short transmission control system circuit – Poor transmission control system electrical connection – Check powers and grounds to Transmission Control Module (TCM)
Possible Solutions
Running lean bank 1. Fuel trim long /short term high (18_38) bank 1 within specs bank 2. Fuel pres good. O2 sensors working, no vac luaks. Cam sync good. Cats ,injectors, plugs, coils good. Did notibe the temp gauge pegs hot at all times. J m the 5th shop to have this truck that I know of. I am running out of ideas.