Output Speed Sensor Range/Performance
Table of contents
P0721 HYUNDAI Possible Causes
- Faulty Speed Sensor
- Speed Sensor harness is open or shorted
- Speed Sensor circuit poor electrical connection
How do I fix code P0721 HYUNDAI?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P0721 HYUNDAI code
The cost of diagnosing the P0721 HYUNDAI code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Speedometer improper reading
- Possible shifting problems
P0721 HYUNDAI Description
The 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