Fault codes › P0870
P0870
Transmission Fluid Pressure Sensor/Switch C circuit
Generic code
Transmission System
High severity
Hard repair
Free on OBD DashX
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iWhat P0870 means
- The fault code P0870 indicates that there is an issue with the circuit for the transmission fluid pressure sensor/switch 'C'. This may cause the transmission to shift poorly or not at all.
!Possible symptoms
- Transmission shifting poorly or not at all
- Illuminated check engine light
- Delayed or harsh shifting
- Transmission slipping or overheating
?Possible causes
- Failed transmission fluid pressure sensor/switch
- Faulty wiring or connections in the circuit
- Loose or corroded electrical connections
- Failed transmission control module (TCM)
⚙Related parts
- Transmission Fluid Pressure Sensor: Gear fluid line delivers gear fluid/oil between the various gear parts that need lubrication. The Gear fluid line pressure Sensor monitors the fluid pressure in the line. Problems lead to difficulty in shifting gears
✓Possible solutions
- Replace the transmission fluid pressure sensor/switch
- Check and repair any damaged wiring or connections
- Tighten or clean any loose or corroded electrical connections
- Replace the transmission control module (TCM) if necessary