P0872
PowertrainTransmission Pressuremoderate severityTransmission Fluid Pressure Sensor/Switch C Circuit Low
What P0872 Means
The transmission fluid pressure sensor C circuit is reporting a voltage that is too low. This often points to a short or a genuine loss of hydraulic pressure.
Symptoms
- Slipping transmission
- Delayed engagement
- Warning light illuminated
Common Causes
- Low transmission fluid
- Short to ground in wiring
- Failed pressure sensor
- Internal pump or seal leak
Diagnostic Steps
- Verify transmission fluid level
- Check circuit for short to ground
- Measure sensor voltage with scan tool
- Perform hydraulic pressure test
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