P0721 HYUNDAI - Output Speed Sensor Range/Performance
- Faulty Speed Sensor
- Speed Sensor harness is open or shorted
- Speed Sensor circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
- Speedometer improper reading
- Possible shifting problems
P0721 Hyundai DescriptionThe speed sensor detects the revolution of the idler gear parking pawl lock gear and emits a pulse signal. The pulse signal is sent to the Transmission Control Module (TCM) which converts it into vehicle speed.
Sensor Location: 1999-2006 Hyundai Sonata; 2001-2007 Hyundai Elentra; 2001-2007 Hyundai Santa Fe; 2001 Hyundai XG; 2002-2005 Hyundai XG350; 2003 Hyundai Tiburon; 2005-2009 Hyundai Tucson; 2006 Hyundai Azera; 2007 Hyundai Entourage
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