P0871 CHRYSLER – OD Pressure Switch Rationality Fault

 

P0871: DIY Repairing Video Tutorial

https://youtu.be/AN1c8HxE2so

Check out nonda Auto DIY Center for more engine error code repairing videos.
https://www.youtube.com/playlist?list=PL-Lyko0O0oxHe1AGvzwAz-wokJPXAtW97

 

P0871 CHRYSLER Possible Symptoms

  Engine Light ON (or Service Engine Soon Warning Light),Transmission will not shift gears.  

P0871 CHRYSLER Possible Causes

  OD Pressure Switch harness is open or shorted,OD Pressure Switch circuit poor electrical connection,Faulty OD Pressure Switch,Internal transmission damage,Faulty Powertrain Control Module (PCM),Faulty Transmission Control Module (TCM)  

P0871 CHRYSLER Description

  The Powertrain Control Module (PCM) uses three pressure switches to monitor the fluid pressure in the LR, 2/4, and OD clutch circuits. The pressure switches are continuously monitored for the correct states in each gear as shown below.