OBD-II code · Powertrain (generic)
P0712 Transmission Fluid Temperature Sensor Circuit Low
ATF temperature sensor signal voltage below the lower threshold — open, short to ground, or sensor fault.
Is it safe to drive with P0712?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyTransmission temperature sensor failed
- PossibleWiring or connector fault
- Less likelyConnector pins corroded - high contact resistance
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Transmission Temperature Sensor, Sensor Wiring
Related codes
- P070FTransmission Fluid Level Too Low
- P0710Transmission Fluid Temperature Sensor A Circuit
- P0711Transmission Fluid Temperature Sensor A Circuit Range or Performance
- P0713Transmission Fluid Temperature Sensor Circuit High
- P0714Transmission Fluid Temperature Sensor A Circuit Intermittent
- P0715Input/Turbine Speed Sensor "A" Circuit Malfunction
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.