P0711Transmission Fluid Temperature Sensor A Circuit Range/Performance
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Can trigger limp mode
- Needs a drive cycle to confirm a fix
- How the car detects it
- P0711 means the fluid temperature signal is electrically valid but implausible. Manufacturers check three things: the fluid does not warm up as expected (GM 2025 still below 15 °C after the calibrated warm-up time, Saab's AF40 below 20 °C after 10 minutes of driving), the value is stuck (Ford: within ±2 °F for about 2.5 minutes below 70 or above 225 °F), or it jumps unrealistically. GM's 6T70 compares it with the module's internal temperature. The MIL rating varies: GM's newer modules after two trips, Saab AF40 none, Ford none; a 2013 Ram 6.7 bulletin moved P0711–P0714 from one to two trips. A substitute value then limits adaption and converter clutch control.
- What you may notice
- Harsh or late shifts
- Torque converter clutch applies late or not at all
- Check engine or transmission lamp depending on manufacturer
- Implausible fluid temperature in the scan tool
- Likely causes
- LikelyFluid temperature sensor drifting or stuck
- PossibleHigh contact resistance in connector or harness (oil, corrosion)
- PossibleVery cold weather or short trips (fluid does not reach warm-up threshold)
- RareOutdated module software
- RareFluid cooler thermostat faulty
- Repair
- Medium · Usually a job for a workshop.Typical cost: €80 – €600
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.