P0871
Transmission Fluid Pressure Sensor/Switch C Circuit Range/Performance
P0871 is an OBD-II diagnostic trouble code meaning: Transmission Fluid Pressure Sensor/Switch C Circuit Range/Performance. Common causes: transmission fluid pressure sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Incorrect gear shifting
- Check Engine light comes on
- Transmission transition to emergency mode
- Reduced transmission efficiency
Causes
- Transmission fluid pressure sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Low or contaminated transmission fluid
- Transmission control unit malfunction
How to Fix
- Check the level and condition of the transmission fluid
- Inspect the sensor circuit for damage
- Check the contacts in the sensor connector
- Test the transmission fluid pressure sensor
- If necessary, replace the sensor or repair the circuit
Related codes
Error P0871 by Vehicle Brand
FAQ
What does the P0871 code mean?
P0871 is an OBD-II diagnostic trouble code that indicates: Transmission Fluid Pressure Sensor/Switch C Circuit Range/Performance
What causes a P0871 error code?
The most common causes of P0871 include: Transmission fluid pressure sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Low or contaminated transmission fluid.
How do I fix a P0871 diagnostic trouble code?
To fix P0871: Check the level and condition of the transmission fluid. Inspect the sensor circuit for damage. Check the contacts in the sensor connector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0871?
Limited driving only, diagnose soon
How much does it cost to fix P0871?
The estimated repair cost for P0871 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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