P0710moderate severityPowertrain
Transmission Fluid Temperature Sensor Circuit
on 2000 Buick Century 3.1L V6 · FWD
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).
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