P0710moderate severityPowertrain
Transmission Fluid Temperature Sensor Circuit
on 2006 Subaru Legacy 2.5L H4 · AWD
What this code means
Malfunction in the transmission fluid temperature sensor.
Symptoms
- Check Engine Light
- Incorrect shift timing
- Limp mode possible
Common causes
- Faulty temp sensor
- Wiring issue
- Connector corrosion
Diagnostic steps
- Test sensor resistance at known temperature
- Inspect wiring
- Check connector
Repair notes
Replace trans temp sensor (often internal, may require pan removal).
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
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