P0720
Output Speed Sensor Circuit
2007-2007 Cadillac CTS 3.2L V6
Moderate SeverityPowertrainGeneric (SAE)
The 2007 Cadillac CTS is equipped with a 3.2L V6 engine. Below you'll find detailed p0720 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Malfunction in the transmission output speed sensor.
Symptoms
- Check Engine Light
- Speedometer not working
- Incorrect shifting
- No shift points
Common Causes
- Faulty output speed sensor
- Wiring damage
- Tone ring damage
Diagnostic Steps
- Test sensor output
- Check wiring
- Inspect tone ring
Repair Notes
Replace output speed 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
P0720 on Other Vehicles
Common Questions
What does code P0720 mean on a 2007-2007 Cadillac CTS?
P0720 stands for "Output Speed Sensor Circuit". Malfunction in the transmission output speed sensor.
What are the symptoms of P0720 on a Cadillac CTS?
Common symptoms of P0720 include: Check Engine Light, Speedometer not working, Incorrect shifting, No shift points.
What causes P0720 on a 2007-2007 Cadillac CTS?
Common causes of P0720 include: Faulty output speed sensor, Wiring damage, Tone ring damage.
Last updated: March 2026