P0720moderate severityPowertrain
Output Speed Sensor Circuit
on 2012 Chevrolet Express 4.3L V6 Vortec · RWD
What this code means
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.
Other Powertrain codes on this vehicle
P0001
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P0002
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P0003
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P0004
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P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1