Output Speed Sensor Circuit Range/Performance
2010-2010 Chevrolet Impala 3.5L V6
The 2010 Chevrolet Impala is equipped with a 3.5L V6 engine. Below you'll find detailed p0721 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Output speed sensor signal out of range.
Symptoms
- Erratic speedometer
- Shift problems
Common Causes
- Sensor fault
- Tone ring issue
Diagnostic Steps
- Compare to wheel speed signals
- Test sensor
Repair Notes
Replace sensor.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0721 on Other Vehicles
Chevrolet Astro
1996-1996 4.3L V6 Vortec
Chevrolet Astro
1997-1997 4.3L V6 Vortec
Chevrolet Astro
1998-1998 4.3L V6 Vortec
Chevrolet Astro
1999-1999 4.3L V6 Vortec
Chevrolet Astro
2000-2000 4.3L V6 Vortec
Chevrolet Astro
2001-2001 4.3L V6 Vortec
Chevrolet Astro
2002-2002 4.3L V6 Vortec
Chevrolet Astro
2003-2003 4.3L V6 Vortec
Common Questions
What does code P0721 mean on a 2010-2010 Chevrolet Impala?
P0721 stands for "Output Speed Sensor Circuit Range/Performance". Output speed sensor signal out of range.
What are the symptoms of P0721 on a Chevrolet Impala?
Common symptoms of P0721 include: Erratic speedometer, Shift problems.
What causes P0721 on a 2010-2010 Chevrolet Impala?
Common causes of P0721 include: Sensor fault, Tone ring issue.
Last updated: March 2026
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