P0710 — Transmission Fluid Temperature Sensor A Circuit Malfunction
Category: Powertrain Severity: Medium
Updated:
DTC code P0710 means: Transmission Fluid Temperature Sensor A Circuit Malfunction. It falls under the "Powertrain" category, with an estimated severity of Medium. Common causes include failed ATF temperature sensor, damaged internal transmission harness and oil-soaked or corroded connector; it's worth confirming the diagnosis before replacing parts.
Possible causes
- Failed ATF temperature sensor
- Damaged internal transmission harness
- Oil-soaked or corroded connector
- Low fluid level
Symptoms
- Harsh shifts
- Torque converter clutch won't lock
- Limp mode
- Check engine light
How to diagnose it step by step
- Check ATF level.
- Read ATF temperature when cold.
- Check the transmission connector.
- Replace the sensor or internal harness.
How to fix it
Compare ATF temperature with engine temperature when cold: they should be similar. The sensor is usually on the internal harness, so the pan has to come off.
Estimated repair cost
Sensor: $40–150. Internal harness: $200–500 with labor.
Frequently asked questions
What does DTC code P0710 mean?
Transmission Fluid Temperature Sensor A Circuit Malfunction.
Is code P0710 serious?
Severity Medium. Not urgent, but worth diagnosing to avoid bigger damage.
Can I keep driving with code P0710?
Carefully, without stressing the transmission.
Related codes
P0711 P0715 P0717 P0706 P0705 P0700 P0720 P0730 P0731 P0732
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