P1721 FORD – Gear 1 Incorrect Ratio

P1721 FORD Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1721 FORD Possible Causes

Check for transmission mechanical problems

P1721 FORD Description

Gear 1 Incorrect Ratio is the generic description for the P1721 Ford code, but the manufacturer may have a different description. Currently we have no further information abouth the P1721 Ford OBDII code.