Powertrain
generic / SAE
P0712
Transmission Fluid Temperature Sensor Circuit Low
ATF temperature sensor signal voltage below the lower threshold — open, short to ground, or sensor fault.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number7 / 12
Possible causes
- Transmission temperature sensor failed high
- Wiring or connector fault medium
- Connector pins corroded - high contact resistance low
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
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 80–800 €
- Estimated time: 0.5–4 h
- Component: transmission temperature sensor
- Component: sensor wiring
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012