What does code P0721 mean?

Output Speed Sensor Range/Performance: The transmission output speed sensor is reading outside expected parameters.

P0721 is rated as high severity. Address soon — may cause further damage.

P0721

Output Speed Sensor Range/Performance

Powertrain Code · High

What does P0721 mean?

The transmission output speed sensor is reading outside expected parameters.

System: Transmission

P0721 is a powertrain diagnostic trouble code indicating output speed sensor range/performance. This code is classified as high severity, which means: address soon — may cause further damage.

Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.