P1722 GMC Gear 2 Incorrect Ratio
Possible causes
– Vehicle speed sensor harness is open or shorted
– Vehicle speed sensor circuit poor electrical connection
– Faulty Vehicle Speed Sensor
– Vehicle speed sensor circuit poor electrical connection
– Faulty Vehicle Speed Sensor
What about the obd code?
There is a big difference between the vehicle speed signal from the ABS actuator and the electric unit (control unit), and the vehicle speed sensor signal.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1722 GMC Description
The vehicle speed signal is transmitted from ABS actuator and electric unit (control unit) to Transmission Control Module (TCM) via Control Area Network (CAN) communication line.
GMC Vehicle:GMC Acadia,GMC Canyon,GMC Envoy,GMC Savana 1500,GMC Savana 2500,GMC Savana 3500,GMC Sierra 1500,GMC Sierra 2500 HD,GMC Sierra 3500 HD,GMC Terrain,GMC Yukon,GMC Yukon XL 1500,GMC Yukon XL 2500,